-
Digidesign Inc.
3401-A Hillview AvenuePalo Alto, CA 94304 USA
tel: 6508427900fax: 6508427999
Technical Support (USA)
65084266996508564275
Product Information (USA)
65084266028003332137
Universal Slave Driver
Users Guide
Version 5.0.1Fax on Demand (USA)1-888-USE-DIGI (873-3444)
World Wide Webwww.digidesign.com
Digidesign FTP Siteftp.digidesign.com
-
Copyright
This Users Guide is copyrighted 2000 by Digidesign, a division
of Avid Technology, Inc. (hereafter Digidesign), with all rights
reserved. Under copyright laws, this manual may not be duplicated
in whole or in part without the written consent of Digidesign.
DIGIDESIGN, AVID and PRO TOOLS are trademarks or registered
trademarks of Digidesign and/or Avid Technology, Inc. All other
trademarks are the property of their respective owners.
All features and specifications subject to change without
notice.
PN 932707422-00 Rev A 5/00
-
contents
Chapter 1. Introduction
. . . . .
System Requirements
. . . .
Compatibility Information
. .
About This Guide
. . . . . . . .
USD Synchronization Suppo
Chapter 2. Installing the USD
Connecting USD to a Compu
Connecting USD to Pro Tool
Connecting AC Power
. . . .
Connecting Machines, Deck
Software Installation
. . . . .
Getting Started
. . . . . . . . .
Updating USD Firmware
. . .
Configuring OMS
. . . . . . . .
Troubleshooting
. . . . . . . .
Chapter 3. USD Hardware and
USD Front Panel
. . . . . . . .
USD Rear Panel
. . . . . . . .
USD Setup Software
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . 3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . 4
rt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . 4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . 7
ter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 7
s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 10
s, and Other Devices . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . 11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 16
Software Overview. . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 17 . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . 17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 20
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 22Contents iii
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Universal Slave Driver
iv
Chapter 4. Using the USD
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . 27
Control Options
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . 27
USD Controls in Pro Tools, USD Setup, and Front Panel
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Sync Setup
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Clock References
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . 32
Positional References
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . 38
Generating and Regeneratin
Generating a Window Burn
Chapter 5. Additional Operati
Front Panel Generator/Para
Managing and Selecting Vid
Using Fader Start
. . . . . . .
Calibrating the USD Oscillat
Restoring Factory Settings
.
Appendix A. Additional Synch
Appendix B. Technical Specs
Appendix C. Wiring Diagrams
Index
. . . . . . . . . . . . . . . . . . . . . g Time Code . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 51
onal Information. . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . 55meter Controls . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . 55
eo Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . 61
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 63
or . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . 64
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 65
ronization Information . . . . . . . . . . . . . . . . . . . . .
. . . . . . 67
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 73
Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 81
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . 89
-
chapter 1
Introduction
The Universal Slave Driver (UStipurpose synchronization devports
all major time code and cence standards used in audio, vand
multimedia production.
USD with Pro Tools
With Pro Tools MIX/MIXplus aPro Tools 24 systems, the USD
near-sample-accurate lock to tithrough the DigiSerial Port con
Standalone Mode
The USD can also be used as a synchronization converter,
timerator, clock generator and timacter generator. Throughout
thterm standalone refers to sysing USD but
not
using Pro Tool
USD Setup
USD Setup is a remote control for the USD. USD Setup can be
uwithout Pro Tools on any suppintosh or Windows computer.
Chapter 1: Introduction 1D) is a mul-ice. It sup-lock
refer-ideo, film,
nd provides me code nection.
standalone e code gen-e code char-is guide, the tems
utiliz-s.
application sed with or
orted Mac-
System Requiremen
Macintosh Pro Tools System
Digidesign-qualified Macintoputer
17-inch or larger color moni A Pro Tools MIX/MIXplus or
Pro Tools 24 system or
A Pro Tools III system
] Serial port requirements vary dthe type of Pro Tools system.
SeePort Requirements on page 2 fo
Windows Pro Tools Systems
Digidesign-qualified Windowputer
A Pro Tool MIX/MIXplus or Psystemts
s
sh com-
tor
epending on USD Serial r details
s NT com-
ro Tools 24
-
Universal Slave Driver
2
USD Setup Macintosh and Windows
USD Setup provides standalone software control of the USD, and
firmware updating capabilities. USD Setup can be used with or
without Pro Tools for complete control of all USD features. In
order to use USD Setup, you must have the following:
u
An available serial or Com potosh and Windows, respectivelUSD
Setup is not available whenconnected to a DigiSerial Port
Minimum Macintosh RequiremenUSD Setup
u
68K and Power Macintosh coquire Mac OS version 7.5 or higG3
Macintosh computers mustor higher. At least 2 MB of available RA
Virtual Memory must be turn
the Macintosh Memory Con An available serial (modem o
port, or equivalent USB convUSD Serial Port Requiremenpage 2 for
details.
Minimum Windows RequirementUSD Setup
Windows NT 4.0, or Window A Pentium-I/90 MHz process An
available COM port. See
Port Requirements on page
USD Serial Port Requirements
Pro Tools MIX/MIXplus and Pro Tools 24 Systems
u
The USD must be connected to the DigiS-erial Port on the
Digidesign MIX or d24
rt (Macin-y) the USD is
ts for
mputers re-her. Beige
run OS 8.5
Med off in
trol Panelr printer) erter. See ts on
s for
s 98 orUSD Serial
2 for details.
card (if multiple, use the card inslot).
USD with the G3 and G4
Under certain circumstances, fowhen running the USD Setup
ucation, the USD must be conneconventional serial port. Manyvices,
as well as Digidesigns Mtrol option, also require connconventional
serial port. Since intosh G3 and G4 computers dtain a conventional
serial port,nection to a conventional Maciport (modem or printer
port) is this guide, you will need to utithe following adaptors:
Stealth Serial Port, made by G
ree.com. This adaptor supporupdating of the USD.
gPort Serial Adaptor, made bTechnology. This adaptor supware
updating of the USD.
USB Twin Serial Adaptor, mo28x, made by Keyspan. This anot
support firmware updatiUSD.
Pro Tools III Systems
u The USD must be connecteddem or printer port, or equivalport
adaptor the lowest
r example tility appli-cted to a MIDI de-achineCon-ection to a
Power Mac-o not con- where con-ntosh serial called for in lize one
of
eeTh-ts firmware
y Griffin ports firm-
del USA-daptor does ng of the
to the mo-ent serial
-
USD Setup
u
USD Setup requires its own connection from the USD to your
computer for remote control of the USD:
Macintosh
A serial port (modem or printer, or equivalent serial port
adapter) is re-quired for USD Setup MacintosUSD Setup does not work
if thenected to a DigiSerial Port.
Windows
A COM port connectiquired for USD Setup Windowsdoes not work if
the USD is conDigiSerial port.
USD Standalone, without Pro Too
If you are not using Pro Tools bUSD in standalone mode, no
Uconnection is required unless ydo any of the following:
u
Use the USD for Variable Spe(VSO)
u
Configure Window burn par
u
Control the USD with USD S
If you do not connect USD to awill use the USD front panel
toedit parameters. (See Control Opage 27 for details.)
USD Standalone with Remote Co
For software remote control usUSD Setup application, see USon
page 3.
USD Cables
USD Serial Cable
A USD Serial cable is in-cluded to connect the USD to a
Macin-tosh- or Windows-based Pro Tools DigiSerial Port (Pro Tools
MIX, MIXplus, or Pro Tools 24 systems). This cable can
Chapter 1:
h. USD is con-
on is re-. USD Setup nected to a
ls
ut using the SD-to-CPU ou need to
ed Override
ameters
etup
CPU, you access and ptions on
ntrol
ing the D Setup
also be used to connect the UMacintosh serial port or equivport
adaptor.
Windows USD Setup on Windoa standard 9-pin-to-25-pin modconnect
the USD to a COM posupported Windows computer.is available from
Digidesign thDigidesign dealer, or from mansupply stores.
Compatibility InformDigidesign can only assure comand provide
support for devicetested and approved.
For a list of qualified computerdrives, SCSI accelerators,
serial tors and hard drives, refer to thDigidesign compatibility
documable from Digidesign by fax or Digidesign Web site.
] For a list of Digidesigns contaction, see the title page of
this gui Introduction 3
SD to r a alent serial
ws requires em cable to rt on any This cable rough your y
computer
ation patibility
s it has
s, diskette port conver-e latest ents, avail-
on the
t informa-de.
-
Universal Slave Driver
4
About This Guide
This guide assumes you understand the ba-sics of synchronization
and time code, know how to operate devices that send or receive
time code such as a video tape re-corder, and how to connect
yoRefer to the documentation forhardware if necessary.
In addition, you should have astanding of the time code
requiyour particular project.
Conventions Used in Th
Digidesign guides use the folloventions to indicate menu
choicommands:
The following symbols are used to high-light important
information:
]
User Tips
are helpful hints for getting the
most from your system.
Convention Action
File > Save Session Choose Safrom the Fi
Control+N Hold down key and pre
Option-click Hold down key and clicbutton
Right-click (Windows) Click with tmouse butur studio. your
studio
n under-rements for
is Guidewing con-ces and key
] Important Notices include inforcould affect your data or the
perfoyour system.
] Cross References point to relatin other Digidesign guides.
USD SynchronizatioSupport
Supported Positional Reference
LTC VITC Bi-Phase/Tach Internal Time Code Generato Serial Time
Code (requires D
MachineControl option andsoftware version 5.0 or highevideo
reference signal)
Supported Clock Reference Sour
Reference Video Composite Video Input Word Clock AES/EBU Null
Pilot Tone Super Clock Internal Crystal Bi-phase/Tach LTC
ve Session le menu
the Control ss the N key
the Option k the mouse
he right tonmation that rmance of
ed sections
n
Sources
rigidesigns Pro Tools r, and a
ces
-
Output and Generation
Digidesign Super Clock (256x sample clock)
Word Clock (1x sample clock); AES/EBU null clock (AES digital
black) VITC (if a video input is present) LTC MIDI Time Code
(MTC)
Other Features
Front panel controls and a laplay of time code and param
Integrated control of USD fro Time Code Character Genera Fader
start, provided through
put, for remote transport conselect Pro Tools fader movem
USD Setup software for MaciWindows
USD firmware that can be updtime for future upgradesChapter
1:
rge LED dis-etersm Pro Toolstor GPI out-trol from ent. ntosh
and
ated at any Introduction 5
-
Universal Slave Driver
6
-
chapter 2
Installing the U
For USD with Pro Tools, installcludes the following steps:
Connect the USD to your Pro
tem Connect your studio Install and configure USD so
Complete installation instructivided for each of these steps
ththis chapter.
For standalone USD systems, ininstructions begin with ConnPower
on page 10.
]
Make sure Pro Tools is already i
operating correctly before installin
Connecting USD to aComputer
Pro Tools systems require a USDputer connection, as explainedin
Connecting USD to a Compage 7.
For standalone USD systems (wPro Tools), firmware updating USD
Setup require a connectio
Chapter 2: Installing the USD 7SD
ation in-
Tools sys-
ftware
ons are pro-roughout
stallation ecting AC
nstalled and g the USD.
-to-com- beginning puter on
ithout and n to a Mac-
intosh serial port or Windows CFirmware updating is explaineding
USD Firmware on page 14
In addition, USD Setup can be uware remote control of all USDUSD
Setup requirements are lisware Installation on page 13.
About the USD Serial Cable
The USD includes a 4 meter (app12 foot) cable, designed to
conUSD to a DigiSerial Port on a MWindows Pro Tools MIX/MIXpPro
Tools 24 system, or to a Marial port (modem or printer).
For Windows NT systems, a stanto 25-pin modem cable is requnect
the USD to a Windows COorder to use USD Setup. ContacDigidesign
dealer if you need tone of these cables.
] If you choose to use a longer cait supports hardware
handshakinmatic for these cables can be fouAppendix C: Wiring
Diagrams Piments. OM port. in Updat-
.
sed for soft- features. ted in Soft-
roximately nect the acintosh or lus or cintosh se-
dard 9-pin ired to con-M port in t your
o acquire
ble, be sure g. A sche-nd in n Assign-
-
Universal Slave Driver
8
Pro Tools MIX/MIXplus or Pro Tools 24 Systems
(Macintosh and Windows)
To connect the USD to a Macintosh or Windows Pro Tools
MIX/MIXplus or Pro Tools 24 system:
1
Make sure the power is switcboth the USD and the compute
2
Connect one end of the cableport labelled Mac Serial
(whethMacintosh or a Windows comp
3
Connect the other end of the DigiSerial Port on your primaryMIX
or d24 card (the Core card
4
Restore power to the USD, anyour computer.
USB Blue and White G3/G4 Example
n
Connect the USD Mac Serial port to the DigiSerial port.
n
Connect MachineControl (optional) to a GeeThree, Griffin, or
Keyspan serial port adaptor (see USD Serial Port Require-
Connecting USD to a DigiSerial Port
MTC OUTMAC SERIALPC SERIAL
BI-PHASE / TACH / GPI
VIDEO REF 9-PIN OUT
9-PIN IN / AC
WORD CLOCKVIDEO
LTC
IN
AES
IN
AES
OUT
LTC
OUT
IN
OUT
IN
OUT
Mac Serial
to (Pro Audcab
DigiSerial Porthed off for r.
to the USD er using a uter).
cable to the Pro Tools ).
d restart
ments on page 2).
If using MIDI, connect a MIDI HUI to a GeeThree or Griffin
seadaptor (see USD Serial Port Rments on page 2).
DigiSerial Port General Info
Pro Tools MIX and d24 cards feDigiSerial Port. Though this pocal
in appearance to the serial poCPU, it is designed to only be u the
USD proprietary serial co
or a serial-to-9-pin cable in com
with the MachineControl Pro Tools. This should only beto the
DigiSerial Port when tUSD present in the system.
s The DigiSerial Port should not connecting MIDI Interfaces or
anydevice. Attempting to do so will afect Pro Tools
performance.
85-264VAC, 47-63HZ, 115 W
SUPER CLOCK (256X)
C
IN
OUT
Toolsio Interface
les)
USD
CPUinterface or rial port equire-
ature a rt is identi-rts on your sed for: nnection.
bination option for connected
here is no
be used for other serial dversely af-
-
Rules for Using the DigiSerial Port for USD in Expanded Pro
Tools Systems
u The active DigiSerial Port will be on the Digidesign MIX or
d24 card connected to the primary Pro Tools audio interface.
u If your system is a Pro Tools MIXplus, connect your USD to the
DigiSethe first Pro Tools 24 MIX cardmaster card).
u If you have a combination oPro Tools 24 MIX and Pro Tooluse
the DigiSerial Port on the fiPro Tools MIX card.
u If you have more than one d2are using only d24 cards (no
Mware), use the DigiSerial Port od24 card in your system.
Pro Tools III SystemsPro Tools III systems do not harial Port,
so a Macintosh modemport (or serial port adaptor) mufor the USD
serial connection. Serial Port Requirements on p
To connect a USD to Pro Tools II(no DigiSerial Port):
1 Make sure the power is switcboth the USD and the compute
2 Connect one end of the cableSerial port of the USD.
3 Connect the other end of thether the modem or printer porport
adaptor) of your Macintos
4 Restore power to the USD, anyour computer.
5 Connect the rest of your equthe USD as described in the
foltions of this chapter.
6 Install USD Setup (see Software Installa-tion on page 13).
USD SetupUSD Setup requires a serial connection Chapter 2:
Insta
rial Port on (the bus
f s d24 cards, rst
4 card, and IX hard-n the first
ve a DigiSe- or printer
st be used (See USD age 2.)
I
hed off for r.
to the Mac
cable to ei-t (or serial h.
d restart
ipment to lowing sec-
from the USD to a Macintosh ocomputer. (For compatibility insee
System Requirements on
To connect the USD to a Macintowithout Pro Tools:
1
Make sure the power is switcboth the USD and the compute
2
Connect the USD
Mac Serial
modem or printer port, or seriator, on your computer.
To connect the USD to a Windowwithout Pro Tools:
1
Make sure there is a COM poand enabled (refer to your
Windocumentation for informationabling COM ports, if necessary
2
Make sure the power is switcboth the USD and the compute
3
Connect the USD
PC Serial
pavailable COM port.
s
USD Setup will not control USD
DigiSerial port.
4
Restore power to the USD, anyour computer.
5
Connect the rest of your equthe USD as described in the foltions
of this chapter.
6
Install USD Setup (see Softwtion on page 13). lling the USD
9
r Windows formation, page 1.)
sh computer
hed off for r.
port to the l port adap-
s computer
rt available dows NT on en-
).
hed off for r.
ort to an
through the
d restart
ipment to lowing sec-
are Installa-
-
Universal Slave Driver10
Standalone ModeIn standalone mode (when USD is not con-nected to
Pro Tools), no computer or serial connection is required except for
USD Setup and firmware updating. The USD Setup software (included)
can be used to control the USD and to updware, through a serial
connectiopatible Macintosh or Windowsas explained in USD Setup
on
Connecting USD to Pro ToolsThe USD must be connected to the
clock master.
To connect the USD to a compatDigidesign audio interface:
1 Connect the Super Clock Outto the Super Clock In (or Slave
Cyour master Digidesign audio i
2 If using more than one interface, connect the Slave Clock
output of your primary in-terface to the Slave Clock input of the
sec-ond interface, and so on for each additional Interface (but do
not loop Slave Clock from the last interface back to USD).
SuperClock (Slave Clock) connection fra single Pro Tools audio
interface
ANALOG OUTPUT ANALOG INPUT AES/EBU OUTPUT AES/EBU INPUT7
8
5
6
3
4
1
2
7
8
5
6
3
4
1
2
5/6
7/8
1/2
3/4
5/6
7/8
1/2
3/4
MTC OUTMAC SERIALPC SERIAL
BI-PHASE / TACH / GPI
VIDEO REF WORD CLOCKVIDEO
LTC
IN
AES
IN
AES
OUT
LTC
OUT
IN
OUT
IN
OUT
Supto DigiSerial Port
ate its firm-n to a com-
computer page 9.
Pro Tools as
ible
of the USD lock In) of
nterface.
Connecting AC Powe
The USD AC connector acceptsStandard AC Power Cable. The
power-selecting (100V to 240Vautomatically work with a stanlar
cable to connect to AC powcles in any country.
To connect AC power to the USD
n
Plug one end of a power cablUSD AC connector, and plug thinto a
wall outlet or other pow
om the USD to
Computer 1
Computer 2
8 CH Mode2 x 4 CH Mode
S/PDIFIN
S/PDIFOUT
SLAVE CLOCKIN
SLAVE CLOCKOUT
85-264VAC, 47-63HZ, 115 W
9-PIN OUT
9-PIN IN / ACC
IN
OUT
SUPER CLOCK (256X)
er Clock Out
Super Clock (Slave Clock) chain conthe USD to multiple 888 24
I/O Audio
ANALOG OUTPUT ANALOG INPUT AES/EBU OUTPUT AES/EBU INPUT7
8
5
6
3
4
1
2
7
8
5
6
3
4
1
2
5/6
7/8
1/2
3/4
5/6
7/8
1/2
3/4
ANALOG OUTPUT ANALOG INPUT AES/EBU OUTPUT AES/EBU INPUT7
8
5
6
3
4
1
2
7
8
5
6
3
4
1
2
5/6
7/8
1/2
3/4
5/6
7/8
1/2
3/4
ANALOG OUTPUT ANALOG INPUT AES/EBU OUTPUT AES/EBU INPUT7
8
5
6
3
4
1
2
7
8
5
6
3
4
1
2
5/6
7/8
1/2
3/4
5/6
7/8
1/2
3/4
MTC OUTMAC SERIALPC SERIAL
BI-PHASE / TACH / GPI
VIDEO REF WORD CLOCKVIDEO
LTC
IN
AES
IN
AES
OUT
LTC
OUT
IN
OUT
IN
OUT
Supto DigiSerial Portr an IEC USD is auto ) and will dard
modu-er recepta-
:
e into the e other end er source.
nection from Interfaces
Computer 1
Computer 2
8 CH Mode2 x 4 CH Mode
S/PDIFIN
S/PDIFOUT
SLAVE CLOCKIN
SLAVE CLOCKOUT
Computer 1
Computer 2
8 CH Mode2 x 4 CH Mode
S/PDIFIN
S/PDIFOUT
SLAVE CLOCKIN
SLAVE CLOCKOUT
Computer 1
Computer 2
8 CH Mode2 x 4 CH Mode
S/PDIFIN
S/PDIFOUT
SLAVE CLOCKIN
SLAVE CLOCKOUT
85-264VAC, 47-63HZ, 115 W
9-PIN OUT
9-PIN IN / ACC
IN
OUT
SUPER CLOCK (256X)
er Clock Out
-
Connecting Machines, Decks, and Other DevicesThe following
sections describe connec-tions required for different
applications.
Connecting a Video So
For the USD to resolve to house
n Connect the house sync/blacnal to the USD Video Ref In po
This is a non-terminated loop-tconnection. If the Video Ref
Thtor is not used, then you must tusing the supplied 75-ohm
precnator resistor
For the USD to resolve directly to video signal:
n Connect the video signal to Video In port. This port is
self-inside the USD chassis.
Character Generator for Window
The USD can also generate a Wwhile using the same video southe
video reference. The followexample setup for a window bu
To use the USD Time Code CharaGenerator to make a window bur
1 Connect your video signal toVideo Ref In port.
2 Use another BNC cable to coUSD Video Ref Thru port to
theport.
3 Connect the USD Video Outother video devices.
Connecting LTC The USD provides LTC input and output
connectors.
To Input LTC to the USD:
n Connect the LTC signal from your ma-
Chapter 2: Insta
urce
sync:
k burst sig-rt.
hrough ru connec-erminate it ision termi-
an incoming
the USD terminated
Burn
indow burn rce signal as ing is one rn.
cter n:
the USD
nnect the Video In
port to
chine, synchronizer or other soUSD LTC In port.
To output LTC from the USD:
n Connect the USD LTC Out tonal device(s).
Connecting Word Clock
The USD has Word Clock input and both can be used simultan
To input Word Clock to the USD:
n Connect the Word Clock signyour DAT machine or other deUSD
Word Clock In.
To supply Word Clock from the U
n Connect the USD Word Clockdevice Word Clock input.
Connecting the USD to Word Clock de
Word Clock in
Word Clock device #1
Word Clock out
MTC OUTMAC SERIAL
85-264VAC, 47-63H
SUPER CLOCK (256X)PC SERIAL
BI-PHASE / TACH / GPI
VIDEO REF 9-PIN OUT
9-PIN IN / ACC
WORD CLOCKVIDEO
LTC
IN
AES
IN
AES
OUT
LTC
OUT
IN
OUT
IN
OUT
IN
OUT
Word Cloc
Word Cloc
Word Clock device #2lling the USD 11
urce to the
your exter-
Devices
and output, eously.
al from vice to the
SD:
Out to the
vices
Z, 115 W
k out
k in
-
Universal Slave Driver12
Keep in mind that Word Clock contains no positional information;
if you want devices to play or record in sync, youll still need to
provide them with a positional reference.
+ The USD can generate time code to provide positional reference
to other devices. See Generating and Regenerating Timpage 44 for
more information.
Connecting AES/EBU D
To use AES/EBU clock reference
n Connect the devices AES/EBthe USDs AES/EBU input.
To supply AES/EBU clock referenUSD:
n Connect the USD AES/ABU oAES/EBU input on a DAT machdigital
device.
Connecting MIDI DeviceThe USD MTC Out port providrived from
conversion (from LTand Bi-Phase) or MTC generatichronize
MTC-compatible conquencers, lighting systems andvices.
The MTC output from the MTCmatches the time code addresson the
USD front panel.
OMS, Pro Tools, and the USD
When a CPU is connected to the USD Mac Serial port, Pro Tools
does not need any ad-ditional connections to facilitate MTC sync or
communication (it is handled through the proprietary Mac
Serial-to-DigiSerial
Connecting the USD to an AES/EBU de
AES in
AES out
MTC OUTMAC SERIAL
85-264VAC, 47-63H
SUPER CLOCK (256X)PC SERIAL
BI-PHASE / TACH / GPI
VIDEO REF 9-PIN OUT
9-PIN IN / ACC
WORD CLOCKVIDEO
LTC
IN
AES
IN
AES
OUT
LTC
OUT
IN
OUT
IN
OUT
IN
OUTe Code on
evices
:
U output to
ce from the
utput to the ine or other
ses MTC de-C, VITC
on to syn-soles, se- other de-
Out always displayed
Port or modem/printer port coWith Pro Tools 4.1 and
earlier,terface and OMS were requiredPro Tools to recognize the
USDneric synchronization device.
If you need to supply MTC fromanother MTC-compatible devicthe
device as described below.
To connect an MTC-compatible dreceive MTC from USD:
n Connect the USD MTC Out pappropriate MIDI input on the da
standard MIDI cable.
Pro Tools and MTC
Pro Tools does not receive MTCUSD through its connection toMac
Serial or PC Serial port (seeing USD to a Computer on pasignal does
not include standardcode, but is instead a high-quaetary time code
signal designedPro Tools. Therefore, a MIDI Inonly required with
Pro Tools veearlier.
vice
Z, 115 W
Connecting the USD MTC output to a Minput
MTC OUTMAC SERIAL
85-264VAC, 47-63HZ, 115 W
SUPER CLOCK (256X)PC SERIAL
BI-PHASE / TACH / GPI
VIDEO REF 9-PIN OUT
9-PIN IN / ACC
WORD CLOCKVIDEO
LTC
IN
AES
IN
AES
OUT
LTC
OUT
IN
OUT
IN
OUT
IN
OUT
MTC out To MIDI Interface input
Digidesign Universal Slave Driver
nnection). a MIDI In- for as a ge-
the USD to e, connect
evice to
ort to the evice using
from the the USD Connect-
ge 7). The MIDI time
lity, propri- for terface is rsion 4.1 or
IDI Interface
MIDI/MTC outputs
MIDI Interface
-
Additional MIDI Requirements
Macintosh-based systems using Pro Tools version 4.1 or earlier
will also need to de-fine an OMS device for the USD so that it can
provide MTC to other OMS-compatible devices. See Configuring OMS on
page 15 for further instructions
Software InstallatioThe following sections providestallation
instructions for differPro Tools systems and standalotion.
+ The location and availability of ters is explained in Control
Optiopage 27.
Pro Tools MIX/MIXplusPro Tools 24 Systemsn Check to make sure
you havestalled the most recent USD opyour system, from your Pro
TooCD-ROM or the Digidesign We
Optionally, USD Setup can be iprovide access to the
completeparameters, and provide remotUSD independent of Pro
Tools.
Pro Tools III Systemsn Check to make sure you havestalled the
most recent Pro TooSetup software from your Pro Tstaller
CD-ROM.
Optionally, USD Setup can be installed to provide access to the
complete set of USD parameters, and for remote control of USD
independent of Pro Tools.
USD Setup
Chapter 2: Insta
.
n software in-ent ne opera-
all parame-ns on
and
already in-tions for ls Installer
b site.
nstalled to set of USD e control of
already in-ls and USD ools In-
To install USD Setup:
1 Make sure the USD is conneccomputer as described in StanMode
on page 10.
2 Insert the disk containing thesoftware, or navigate to its
locadownloaded the update.
3 Launch the installer and follscreen instructions.
StandaloneNo software is required for stanmode except to update
the USDor to use USD Setup software. SUSD Setup on page 13 for
motion.
Firmware updates are made avaDigidesign to add capabilities
toThese updates can be downloadWeb site or obtained from
yourdealer.
Getting StartedThis section includes software tion instructions
applicable to Pro Tools/USD systems.
lling the USD
13
ted to your dalone
latest USD tion if you
ow the on-
dalone firmware
ee re informa-
ilable by your USD.
ed from our Digidesign
configura-
-
Universal Slave Driver
14
Software Configuration for Pro Tools and USDPro Tools provides
USD initialization, con-figuration and firmware update
controls.
To configure USD for Pro Tools MIX, MIXplus and Pro Tools 24
systems:
1 Start up your system beginnihard drives, then the USD,
theMIDI/other studio equipment aCPU.
2 Launch Pro Tools.
3 Choose Setups > Peripherals,Synchronization.
4 In the Synchronization Deviselect Universal Slave Driver.
5 Select DigiSerial Port for the zation) Port.
Once USD is selected as the Syntion device, the USD Enable
conbottom of the window become
Software Configuration for USD Setup
To configure USD Setup:
1 Make sure the USD is connected to your computer according to
the instructions in
Pro Tools Peripherals dialog, configureon DIgiSerial Portng with
n nd then the
and click
ce pop-up,
(Synchroni-
chroniza-trols at the
active.
Connecting USD to a Computpage 7.
2 Launch USD Setup.
3 Choose Preferences > USD Seences.
4 If not already selected, choospriate serial port for your
USD-tnection.
5 Close the Preferences window
Updating USD FirmwThe USD contains a flash EEPRlows you to
update the firmwaunit at any time. As Digidesignto create
improvements for USupdate your unit without havinback to the
factory or replace a
Pro Tools and USD Setup can dup-to-date firmware to your US
s To acquire the latest firmware, tact Digidesign Customer
ServiceDigidesign Web site.
Displaying the Current Firmware
To display the current USD firmwnumber from Pro Tools:
n See the display in the USD Seof the Peripherals >
Synchronizdow.
d for the USD er on
tup Prefer-
e the appro-o-CPU con-
.
areOM that al-re in your continues D, you can g to send it ny
chips.
ownload D.
please con-, or visit the
Version
are version
tup section ation win-
-
To display the current USD firmware version using the front
panel:
n Current firmware version is shown dur-ing power up in the time
code LED display.
To display the current USD firmware version in USD Setup:
n The current firmware versionthe USD Setup > Preferences
wi
Updating Firmware
To update USD firmware from Pr
1 Choose Setups > Peripherals Synchronization.
2 Make sure you have already the Synchronization Device antions
for USD.
3 Click Update USD Firmware.tion is not available, see
Softwuration for Pro Tools and USDpage 14.)
4 Follow the instructions on-sccomplete the update.
To update USD firmware using USD Setup:
1 Make sure the USD is connected to the computer as explained in
USD Setup on page 9.
2 Choose Preferences > USD Preferences.
3 Click Update USD Firmware.
Pro Tools Peripherals window Chapter 2: Insta
is shown in ndow.
o Tools:
and click
configured d Port op-
(If this op-are Config- on
reen to
4 Follow the instructions on-sccomplete the update.
Configuring OMS
(Macintosh Only)
If you are not using the USD Mato connect USD to a DigiSerial
Pserial port, then you will need tOMS device for Pro Tools so
thacan receive MTC from the USDplies only to Pro Tools 4.1 and
An OMS device is not required to output MTC.
s OMS should not be configuredspecific purposes whenever the
Urial port is connected to a DigiSerMacintosh serial port, Doing so
wcate (and adversely affect) timingbetween the USD and your
compuprovided through the Mac Serial p
This section assumes you haveworking knowledge of OMS or and
their operating conventionconnecting MIDI interfaces, crements,
configuring drivers, andand connecting MIDI devices. to review this
information, refeOMS or FreeMIDI documentatilling the USD 15
reen to
c Serial port ort or CPU o define an t Pro Tools . This
ap-earlier.
for the USD
for any USD-SD Mac Se-ial Port or ould dupli- information ter
already ort.
a basic FreeMIDI s, including ating docu- defining
If you need r to your on.
-
Universal Slave Driver16
OMS settings for the USD:
1 Create a new device for the USD.
2 Enable both Receives and Sends MIDI Time Code.
3 Deselect Receives/Sends MIDI Beat Clock, and Receive/Sends
MIDI Machine Control.
4 Deselect all Receive ChannelUSD and click OK to close the
Nwindow.
5 In the main OMS Setup windothe USD device to the
appropriterface.
6 Since the USD does not haveput port, OMS Setup does not
rsoftware connection coming frMIDI interface and going to thClick
the arrowhead of the linewards the USD icon to deactivanection.
7 If necessary, select the approport for USD.
TroubleshootingThis section describes common synchroni-zation
problems and some possible solu-tions.
OMS definition for the USDs for the ew Device
w, connect ate MIDI in-
a MIDI in-equire a om the e USD icon. directed to-te this
con-
priate MIDI
Status LEDs
The status LEDs (LOCKED and Son the USD Front Panel may hlate
potential problems. See 1LEDs on page 19 for details abodicators
and their meaning.
Use the Current TC field in Pro ToSetup Window as a
Reference
The Current TC field in the SesWindow indicates whether or
nreceiving positional reference. appears to be inactive when
inpcode to the USD, check your hvice settings, serial
connectioncomputer, and your software se
Current Time Code displayPEED CAL) elp you iso-1. Status ut
these in-
ols Session
sion Setup ot USD is
If this field utting time
ardware de- to your ttings.
Current TC
-
chapter 3
USD Hardware a
USD Front Panel
Controls and DisplaysAll USD local controls are on itpanel; the
rear panel is reservedtors only. This section identifiepanel switch
and display.
For information on rear panel and setup, see Chapter 2:
Install
1. AC Mains Power Switch
Down ( | ), USD power is on; Up is off.
ence, as selected with the Clock Reference
Figure 1. USD Front Panel
CLOCK REFERENCE
VIDEOLTCDIGITALPILOT
UNIVERSAL SLAVE DRIVER
BI-PHASE/TACHINTERNAL/VSO
1 2 3 4Chapter 3: USD Hardware and Software Overview 17
Switch. ( O ), power INTERNAL/VSO
3. Clock Reference LEDs
Green LEDs display the active clock refer-s front for connec-s
each front
connectors ing the USD.
Selects the USD clock reference, with green LEDs.
Clock References
VIDEOLTCDIGITALPILOTBI PHASE/TACHnd Software Overview
2. Clock Reference Switch
FRAME RATE
3029.972524
LOCKSPEEDREMO
44.1 kHz48 kHzPULL UPPULL DOWN
DF
POSITIONAL REFERENCE
LTCVITCBI-PHASE
GENERATE
SET DOWN UP RUN/STOPCLEAR
5 6 7 8 9 10 11ED CAL
TE MODE
-
Universal Slave Driver18
4. Sample Rate LEDs
Green LEDs show the current USD sample rate.
The table below shows how the four Sam-ple Rate LEDs indicate
the current USD sample rate.
PAL format and PULL UP/DOWN
The USD Pull Up and Pull Doware not designed to perform
cobetween 24 fps and 25 fps.
5. Set, Down, Up, Run/StopGenerator/Parameter Contr
These four momentary switcherect access to many USD functiing
time code generator settingPAL/NTSC selection, sample rat
The LED display shows the curor currently selected parameter
6. LED Time Code Display
This 7-segment, multifunction LED is the USD time code and
parameter display.
Time Code The current positional refer-ence (internal or
external), is displayed in hours:minutes:seconds:frames.
Decimal
USD LED Displays and Sample Rates
USD LEDs ON Sample Ra
44.1 kHz 44.100 kH
48 kHz 48 kHz
44.1 kHz andPULL UP
44.144kH
44.1 kHz andPULL DOWN
44.056kH
48 kHz andPULL UP
48.048 kH
48 kHz andPULL DOWN
47.952 kHn features nversions
+Clear ols
s provide di-ons, includ-s, e and more.
rent mode, or setting.
points indicate additional timemation: Odd/even field
distinction is
using a decimal point to the frames display. A lit decimal
pright of frames indicates an ebered field; no decimal
pointodd-numbered.
When the USD is in Auto SwLTC/VITC mode, the decimathe right of
minutes illumi
Parameters and Values When cthe USD with the Set,
Run/Stopparameter controls, the LED disparameter names, values, and
o
+ For a table identifying each LEDtion and function, see
Parametepage 55.
7. Positional Reference Sw
Selects the USD positional referChoices include:
LTCVITCAuto Switch LTC/VITCBI PHASEGENERATE
te
z
z
z
Z
z code infor-
indicated right of the oint to the ven-num- indicates
itch l point to nates.
onfiguring and other play shows ther data.
abbrevia-rs on
itch
ence.
-
8. Positional Reference LEDs
Yellow LEDs display the active positional reference.
In Auto Switch LTC/VITC mode, both the LTC and VITC LEDs light
while the USD determines which source it will use. Either the LTC
or the VITC LED will rindicate the chosen positional
9. Frame Rate Switch
Selects the time code frame rate(drop-frame or non
drop-framechoice is displayed by the Frame
10. Frame Rate LEDs
Display the current USD frame
Frame Rates 30, 29.97, 25, or 2dicated by four green LEDs
Drop/Non-drop Format is indicasingle orange LED labelled DF
(indicates drop frame, unlit inddrop frame).
11. Status LEDs
Show the current state of the Ution to clock references.
Indicat
Locked This red LED lights soliUSD is locked to the selected
clence. LOCKED flashes if the selreference source is missing or
oable frequency range.
Speed Cal (Speed Calibration) TLED indicates when all output ca
frequency that corresponds wsen sample rate. Speed Cal flash
ever there is a mismatch between the cho-sen sample rate and the
actual output sample rate.
For example, if the Clock Reference is set to LTC, and being fed
by LTC from an analog tape that is running somewhat off-speed,
Chapter 3: USD Hardware and Softw
emain lit to reference.
and format ). The active Rate LEDs.
rate.
4 fps are in-
ted by a a lit DF LED icated non-
SD in rela-ors include:
d when the ock refer-ected clock ut of lock-
his yellow locks are at ith the cho-es when-
this indicator will flash quicklyor slowly (if too slow). The
Spetion LED will be lit steadily onlput clock (remember, USD is
geoutput clock from incoming LT0.025% (250 parts per millionsen
sample rate. If the speed is g+0.025%, the indicator will flasthe
speed is less than 0.025%,tor will flash slowly.
Relatively new professional ATRable to play back with a speed
dless than 0.025%. Some ATRs,calibrated properly, may not runenough
to allow the Speed Calremain lit without flashing.
The Speed Calibration LED comtual output sample rate to
desirrate. This LED does not reflect tmotion of the chosen
PositionaHowever, it would bear a relatithe Positional Reference if
bothReference and Clock ReferenceLTC.
Remote Mode This green LED lithe USD is set to Remote-Only
/Lockout Mode. For more informthe section About Remote-Onlpage
29.are Overview 19
(if too fast) ed Calibra-y if the out-nerating an C) is within )
of the cho-reater than
h quickly; if the indica-
s should be eviation of
even when accurately
ibration to
pares ac-ed sample he speed of l Reference. onship to
Positional
were set to
ghts when Front Panel
ation see y Mode on
-
Universal Slave Driver20
USD Rear Panel
1. Bi-Phase/Tach/GPI/Pilot
With a properly wired cable, thaccessory port inputs for
Bi-Phaand Pilot signals. This connectused for GPI input, output
(inclStart), and thru signals.
Connector: Female DB-25
+ Refer to Appendix C: Wiring DAssignments for wiring
informatiospecifications for this port.
2. PC Serial port
A bidirectional (in/out) port is duse exclusively with a
PC-compcomputer.
Connector: Female DB-25
3. Video Reference In
Receives a signal from an NTSCsource, such as a black burst
(hgenerator or a standard video sclock reference and window burThis
jack is configured as an unloop-through. Therefore, you m
Figure 2. USD Rear Panel
MTC OUTMAC SERIAL
85-264VAC, 47-63HZ, 115 W
PC SERIAL
BI-PHASE / TACH / GPI / PILOT
VIDEO REF 9-PIN OUT
9-PIN IN / ACC
WORD CLOCKVIDEO
LTC
IN
AES
IN
AES
OUT
LTC
OUT
IN
OUT
IN
OUT
IN
OUT
SUPER CLOCK (256X)
INTERNALLY TERMINATED
1 2 3 4 5 6 7ouse sync) ignal, for n purposes. -terminated
ust either:
sync chain, a BNC Terminating Plug (supplied) must be attached
to this connector. port
is serves as se, Tach,
or is also uding Fader
iagrams Pin n and other
esigned for atible host
/PAL video
Connect a 75-ohm terminatowith the USD) to the unusedthrough
connector (Video ReThru on the back panel) or
Ensure that another, terminadevice is fed from the
loop-thnector.
Connector: Female BNC
4. Video Reference Thru
A parallel, unbuffered connectifor any video source
connectedVideo Reference In port; allowsor other video reference to
be pother device. Continues to outever signal is present at the
VideIn port, regardless of whether oUSD is powered up.
Connector: Female BNC
s If the USD is the last device in
8 9 10 11 12 13 14 15 16 17 1r (included loop-ference
ted, video rough con-
on output to the black burst assed to an-put what-o Reference r
not the
the video
8 19
-
5. Mac Serial Port
A bidirectional (in/out) port designed for use exclusively with
the DigiSerial Port found on all Pro Tools MIX and d24 cards, or to
a modem/printer port on a compati-ble Macintosh host computer.
Connector: Female mini DIN-8 (8
6. Video In
Receives a signal from an NTSCsource for clock or VITC
positioence input, or for generating a burn. This connector is
internanated at 75 ohms.
Connector: Female BNC
7. Video Out
If the Positional Reference is seate and the Clock Reference is
sthe two video inputs, this will copy of the video signal
appearVideo Reference input. Under acombinations of Positional
anderence settings, this will outputhe video signal appearing at
thinput.
In either case, this output mighally carry VITC and/or
Windowmation if those features are ena
Connector: Female BNC
8. MTC Out
Outputs MIDI Time Code (MTCother MIDI data appears at thisMTC
output can be regeneratedUSD is locked to any supportedreference
and clock reference, o
generated in Generate mode, in which case MTC output follows
generator run/stop. Intended to supply MTC from the USD to external
sequencers or other MIDI devices.
Connector: Female standard, DIN 5-pinChapter 3: USD Hardware and
Softw
-pin)
/PAL video nal refer-window lly termi-
t to Gener-et to one of output a ing at the ll other Clock
Ref-
t a copy of e Video In
t addition- Burn infor-bled.
), only. No output. while the positional r internally
9. LTC In
Receives a Linear Time Code (Lbalanced or unbalanced analogand
positional reference. This pused to receive LTC from an audan
external deck or the addressVTR.
Connector: Female XLR-style 3-p
(Pin 2 + or hot, Pin 3 or
10. LTC Out
Outputs linear time code, in baunbalanced analog audio form
Connector: Male XLR-style 3-pin
(Pin 2 + or hot, Pin 3 or
When the LTC Out port is conunbalanced mode, Pin 3 must
grounded. See Appendix C: WiriPin Assignments for wiring deta
11. AES/EBU In
Receives an AES/EBU digital aufor clock reference purposes
onutilizes only the signal's clock innot the audio information. If
dinformation is present at this inbe ignored and not passed
throAES/EBU digital output connec
Connector: Female XLR-style 3-p
(Pin 2 + or hot, Pin 3 or are Overview 21
TC) source, , for clock ort is often io track on
track of a
in
cold)
lanced or at.
cold)
nected in be ng Diagrams ils.
dio signal, ly. The USD formation,
igital audio put, it will ugh to the tor.
in
cold)
-
Universal Slave Driver22
12. AES/EBU Out
Outputs a silent (all bits OFF) AES/EBU au-dio signal whose
sample rate exactly matches the USD Word Clock BNC output.
Connector: Male XLR-style 3-pin
(Pin 2 + or hot, Pin 3 or
13. Word Clock In
Receives (1x sample rate) Wordclock reference purposes only.
with external digital consoles atape machines.
Connector: Female BNC
14. Word Clock Out
Outputs 1x sample rate Word Cmation, for clock reference purCan
be generated internally.
Connector: Female BNC
15. 9-pin In/Acc
This port is not active.
16. 9-pin Out (9-pin Pass-thr
This port is not active.
17. Super Clock In
Receives Super Clock (256x samformation. Used for 256x
clockpurposes only (also known as S
Connector: Female BNC
18. Super Clock Out
Outputs Super Clock (256x sample rate) in-formation for
Digidesign Audio Interfaces, for clock reference purposes only. Can
be generated internally, or can be converted from an external clock
reference. Also cold)
Clock, for Often used nd digital
lock infor-poses only.
ough)
ple rate) in- reference lave Clock).
known as Slave Clock.
Connector: Female BNC
19. AC Power In
Receives AC mains power, 85 t47 to 63 Hz (auto switching).
Connector: IEC Standard AC Pow
(3-conductor)
USD Setup SoftwareThe following is an overview oUSD Setup
application for MacWindows. System and installatments for USD Setup
can be fouware Installation on page 13.
Using Help
To activate Help:
n From the Help menu chooseHelp command, or click on themark
button in the upper-rightthe USD Setup window.
To deactivate Help:
n From the Help menu, select tHelp command, or click on themark
button in the upper-rightthe USD Setup window.o 264 volts,
er Cable
f the intosh and ion require-nd in Soft-
the Show question corner of
he Hide question corner of
-
Overview of USD Setup ControlsThe following section identifies
each con-trol of USD Setup. Details on configuring parameters can
be found in Chapter 4: Using the USD.
1. Time Code Window
The time code display mirrors tTime Code Display on the USD
displaying (in hours:minutes:seonds:frames) the time code
addcurrent positional reference.
Display of Odd/Even Fields Whis reading odd-numbered fieldstor
changes from a normal coloriod (.); when its reading evenfields,
the punctuation returns(:). Odd/even status is only avareading
VITC, and only when Vwithin a speed range from zero50% of playback
speed.
2. Clock Reference
Selects the USD clock reference, which in-clude:
Video (Video Reference Input)Video (Video Input)Linear Time Code
(LTC),
USD Setup Chapter 3: USD Hardware and Softw
he LED front panel, c-ress of the
en the USD , the separa-n (:) to a pe--numbered to a colon
ilable while ITC is
to about
Digital (AES/EBU)Digital (Super Clock)Digital (Word Clock)Pilot
Tone Bi-Phase/TachInternal/VSO
3. Sample Rate
Selects the USD sample rate (orPro Tools session sample rate,
ible).
4. Positional Reference
Selects the USD positional refereinclude:
Linear Time Code (LTC)Vertical Interval Time Code (Auto Switch
LTC/VITCBi-Phase/TachGenerate
5. Frame Rate
Selects the frames-per-second (external (or internally
generatecode:
30 fps30 fps drop-frame29.97 fps29.97 fps drop-frame25 fps24
fpsare Overview 23
the f applica-
nce, which
VITC)
fps) rate of d) time
-
Universal Slave Driver24
6. Status
Shows the current state of USD Setup soft-ware in relation to
the USD and external devices.
Resolver Locked Lights when the USD is locked to the chosen
external clock refer-ence, or to its Internal clock ref
Speed Calibration Lights when system clock and all output
clofrequency that corresponds witsen sample rate. Capable of
indmatch of pull-up, pull-down anrate.
+ For details about Speed Calibrteristics, see 11. Status
LEDs
Generator Running Lights whenregenerating time code at its viand
MTC outputs in sync withing positional reference sourcewhenever the
USD is generatininternally.
Connected to USD Lights whenis the front-most window and icating
with the USD.
Waiting for USD Lights when Uthe frontmost window and is
ucommunicate with the USD.
Port Relinquished Lights when is not the frontmost window
orallocate a serial port with whichnicate with the USD.
7. LTC Output Level
Adjusts the analog audio level LTC output, from 24 dBu to +
8. Freewheel Duration
Sets the period of time for which the USD will continue to
supply positional refer-ence data after an external source is
inter-rupted or stopped. (Also referred to as Time Code Freewheel
in Pro Tools.)erence.
the USD cks are at a h the cho-icating mis-d frame
ation charac-on page 19.
the USD is deo, LTC, the incom-. Also lit g time code
USD Setup s communi-
SD Setup is nable to
USD Setup is unable to to commu-
of the USD 9 dBu.
9. Video Format
Indicates the format (NTSC or both the incoming and
outgoinnals.
NTSC is used in North and SouJapan, and certain other parts
o
PAL is used in most of Europe, Arica. Users of SECAM video (for
sia, and certain other parts of tshould select PAL.
10. VITC Read Lines
Determines which line pair of ivideo signal is used for the
VIT
When set to Auto, the USD wilthe first valid line pair
automatnatively, this value can be set tVITC line pairs.
11. VITC Generate Lines
Determines the line pair of thevideo signal onto which the
USVITC. Normally, this should bedefault (and preferred) setting
12. VITC Insertion Enabled
When selected, VITC will be inthe outgoing video signalassuvideo
signal is present at a USDput, and that the USD is in a valPAL) for
g video sig-
th America, f the world.
sia, and Af-France, Rus-he world)
ncoming C source.
l search for ically. Alter-o specific
outgoing D inserts left at the
of 14/16.
serted into ming that a video in-id mode for
-
inserting VITC. The only invalid positional reference modes are
VITC or Auto Switch LTC/VITC. The USD cant read VITC and generate
new VITC at the same time.
13. Pitch Memory Enabled
When selected, the USD will repitch (sample rate) that
corresplast known incoming time codWhen deselected, the USD will
rselected sample rate. This featuthe USD to learn the time
codecific source during successive lolock up times can be
optimized
If Pitch Memory is disabled andlected external clock reference
able, then the USD will revert tnal, selected internal sample
ra
14. Idle MTC Enabled
Controls MTC Output during istopped). When enabled, MTCously
output. When not enableput is muted when playback is MTC Output and
Idle Mutingfor details.
15. Window Dub
Settings for the USD character tor/window dubbing features.
(trols are also available from witPro Tools Peripherals
dialog.)
Complete Window Dub instrucprovided in the section Generadow
Burn on page 51.
16. Bi-Phase/Tach Parameters
Used for specialized applications that in-volve film or other
equipment that output Bi-Phase/Tach information. These parame-ters
must be set to match the Bi-Phase or tach source to achieve lock.
See Positional Chapter 3: USD Hardware and Softw
main at a onds to the e speed. evert to the re enables form a
spe-ckups, so .
the se-is not avail-o the nomi-te setting.
dle (play is continu-d, MTC out-idle. See on page 51
genera-These con-hin the
tions are ting a Win-
Reference and Bi-Phase/Tach ofor more information.
17. Generator/Bi-Phase Pre
Serves two functions, as determcurrent USD mode:
Generate mode Sets the time cotime directly by clicking in
theHrs:Min:Sec:Frm fields and typvalue. The Tab key will cycle
thfields.
or
Bi-Phase/Tach Mode Zeros the tcounter, to allow the USD to
gecode in relation to the pulses oing Bi-Phase/Tach information.a
time code start point (first framfor example).
18. Variable Speed Override
Used to varispeed the rate of thnal crystal-referenced clock
(6cent is one-hundredth of a semis available at any positional
reting, but only when the clock rInternal/VSO. are Overview 25
n page 38
set
ined by the
de start ing in a ough the
ime code nerate time f the incom- Establishes
e of a reel,
(VSO)
e USD inter-99 cents; a itone). VSO ference set-eference is
-
Universal Slave Driver26
-
chapter 4
Using the USD
Control OptionsThe USD can be controlled in t from within Pro
Tools using the front panel contro using USD Setup
Which methods you will use dthe type of Pro Tools system beany,
and its serial connection bUSD and your system
Pro Tools MIX/MIXplus andPro Tools 24 Systems
DigiSerial Port-equipped systemPro Tools and the front panel
tUSD. USD Setup can optionallyaccess to specific features
descrthroughout this chapter.
Pro Tools III Systems
Pro Tools III and other systemsDigiSerial Port connection can
Pro Tools and the front panel, USD Setup software. Chapter 4: Using
the USD 27hree ways:
ls
epends on ing used, if etween the
s can use o control be used for ibed
without a use or
Standalone
Remote installations (no connecomputer) will use the USD
froswitches and displays.
USD Standalone with Remote Co
For software remote control froported Macintosh or WindowsUSD
Setup provides access to arameters.
For a listing of USD parametersin each method, see USD ConPro
Tools, USD Setup, and Fronpage 28. ctions to a nt panel
ntrol
m a sup- computer, ll USD pa-
supported trols in t Panel on
-
Universal Slave Driver28
USD Controls in Pro Tools, USD Setup, and Front Panel
USD Controls in Pro Tools, USD Setup, and the Front Panel
Available from/in:
Parameters Pro Tools Front Panel USD Setup
Firmware Update yes (Per
Clock References all (Se
Positional References all (Se
Sample Rates all (Se
Frame Rates all (Se
LTC Output level
Freewheel duration yes (Se
Video Format (NTSC/PAL)
VITC Read Lines
VITC Generate Lines
VITC Insertion Enable
Pitch Memory
Window Dub all (Peri
Bi-Phase/Tach
Gen/Bi-Phase Preset Generat
GPI
VSO yes (Se
Pull Up/Down yes (Se
Idle MTC Enabledipherals/Sync) no yes
ssion Setup) all, except Video In versus Video Ref in
all
ssion Setup) all all
ssion Setup) all all
ssion Setup) all all
no yes yes
ssion Setup) yes yes
no yes yes
no yes yes
no yes yes
no yes yes
no yes yes
pherals/Sync) on/off only yes, all
no yes yes
or, no Bi-Phase yes yes
yes no no
ssion Setup) no yes
ssion Setup) yes yes
no yes yes
-
About Remote-Only Mode
(USD Setup Only)
When the default Remote-Only Mode (Front Panel Lockout) is
enabled in the USD Setup Preferences window, none of the USD front
panel switches wational. The Remote Only LED
To exit Remote-Only mode from tpanel:
n Simultaneously press and holClock Reference, Positional
RefFrame Rate front panel switche
This will disengage the USD froOnly mode. This is useful
whencomputer is not easily accessibride Remote-Only Mode.
] Pro Tools USD controls always cess to most USD parameters.
Using the Front Panel Generator/Parameter SThe
Generator/Parameter Contbelled SET, DOWN, UP, and RUN/STOP/CLEAR.
In additionmary generator functions, thesprovide front panel access
to mrameters.
Features Not Accessible from thePanel Controls
The front panel provides accessfeatures except the following
(wcontrolled using Pro Tools or U Remote-Only Mode/Front Pa
Firmware update
Changing Window Burn Size, Vertical Position, Horizontal
Position, and Color
GPI (General Purpose Interface) func-tions
Choosing between Video In or Video Ref In connector for the
Clock Reference Chapter 4: U
ill be oper- will be lit.
he front
d down the erence, and s.
m Remote- the host
le to over-
provide ac-
witchesrols are la-
to their pri-e switches ost USD pa-
USDs Front
to all USD hich can be SD Setup): nel Lockout
source Variable Speed Offset (VSO)
For a listing of available parameUSD Controls in Pro Tools,
USand the Front Panel on page 2
Set
The SET switch has three primations:
When time code is displayed Pronce changes the Display from
tparameter names.
When a parameter name is visibSet once will change the
Displaparameter values.
When a parameter value is visiblSet once will set that
parameterwill return the Display to time
Down and Up
These switches scroll through pnames and values (whichever
idisplayed):
Generator/Parameter Switches
44.1 kHz48 kHzPULL UPPULL DOWN
SET DOWN UP RUN/STOPCLEARsing the USD 29
ters, refer to D Setup, 8.
ry func-
essing Set ime code to
le Pressing y to show
e Pressing value, and code.
arameter s currently
POSIT
-
Universal Slave Driver30
When a parameter name is visible Pushing the Down and Up
switches scrolls through the parameter names (for example, from SET
GEn to VIdEo SY).
When a parameter value is visible These switches scroll through
the available pa-rameter values.
When entering time code valuesthese two switches
simultaneouthrough the hours:minutes:secofields.
Run/Stop/Clear
This switch has two functions,upon the current mode:
While generating time code PreRUN/STOP starts or stops the
tgenerator when USD is in Genemode.
While time code is being displaysets the counter whenever
timeible in the LED Time Code disp
Otherwise, the RUN/STOP+CLEserves as a Cancel button (Clea
Edit Mode
To enter Parameter/Value Edit m
n Push Set (when time code nuvisible in the LED Time Code
Dipress will display the first paramSet Gen, (for the time code
g
Depending upon the last state of the USD, you may see a readout
other than SE7 GEn.
To scroll parameter choices:
n Press Up or Down as needed to scroll through available
parameters. Holding the
The (default) first page of Generator Pcontrols Pressing sly
tabs nds:frames
depending
ssing ime code rator Preset
ed Clear re- code is vis-lay.
AR switch r mode).
ode:
mbers are splay). One eter name,
enerator:)
switch scrolls through the para
To select a parameter to edit:
n When the desired parameter ipress Set. This will access that
pcurrent setting.
To edit parameter values:
n With parameter values displaUp or Down to cycle through
thvalues.
Examples
Example 1: Using Set, Down and LTC Gain
As an example, the following stusing the USD front panel
contchange the Linear Time Code oLTC Gain is the example paramthe
basic steps are similar for mters.
To select a parameter name andrespective parameter values:
1 Time code numbers should benot blinking in the LED Time Cplay.
If you dont see them, preswitch until you do.
2 Press the Set switch. The LEDDisplay will switch from
showicode numbers to a parameter nfirst name is Set Generator
(SE7though you may see a differentpending upon the USDs last se
arameter meters.
s displayed, arameters
yed, press e available
Up to adjust
eps explain rols to utput level. eter, but ost parame-
change its
visible and ode Dis-ss the Set
Time Code ng time ame. The 6En), al- name, de-ttings.
-
3 Press the Down or Up switches until the LED Time Code Display
shows LTC Gain (L7C 6AIn).
4 Press the Set switch again. The LED Time Code Display will now
show the current parameter value for LTC Gain in dBu val-ues.
5 Press the Down or Up switchthrough the available
parameteValues will scroll (in 3 dBu stepdown either Down or Up to
fas
6 When the desired parameterplayed, press the Set switch aga
With just a few exceptions thesmain the same for all USD
para
+ For a complete listing of all theGenerator/Parameter controls,
seChapter 5: Additional Operationation.
Example 2: Standalone Sample RConfiguration
The following is an example of front panel instructions, this
timhow to set the USD sample rate
To set the USD sample rate frompanel:
1 Press Set, then scroll using thDown switches to display SPL
F
2 Press Set again, then use the Down switches to scroll
througsample rates (shown in the LEDSee 4. Sample Rate LEDs on
pmore information about USD sand displays.
3 When the required rate is displayed, press Set to confirm it
as the current USD sample rate.
Sync SetupChapter 4: U
es to scroll r options. s). Hold t-scroll.
value is dis-in.
e steps re-meters.
front panel e l Informa-
ate
abbreviated e showing
.
the front
e Up and rEc.
Up and h available display). age 18 for
ample rates
This section describes how to coUSD for the specific
requiremensystem or current project. Instrorganized by task, and
cover Prfront panel and USD Setup condures, as supported. (A
complettrol options for each method cain USD Controls in Pro Tools,
and Front Panel on page 28.)
u For clock reference instructioClock References on page 32
u For Positional Reference instrPositional References on pag
u To utilize Generate/Regenerasee Generating and RegeneratCode
on page 44.
u For window burn instructionerating a Window Burn on pa
Frame Rate SettingsIf using Pro Tools, the USD framfollow the
session frame rate seSession Setup window.
The USD frame rate can be also front panel.
To set the USD frame rate from tpanel:
n Press the FRAME RATE switchthrough available frame rates.
Aindicates drop-frame. sing the USD 31
nfigure the ts of your
uctions are o Tools, trol proce-e list of con-n be found USD
Setup,
ns, see .
uctions, see e 38.
te modes ing Time
s see Gen-ge 51.
e rate will tting in the
set from the
he front
to cycle lit DF LED
-
Universal Slave Driver32
Clock References When used with an external clock refer-ence,
the USD functions as a resolverso that Pro Tools and other devices
can be synchronized, or resolved, to a common clock source.
Selecting a Clock Sour
To choose a clock reference from
n Choose Display > Session Setuthen select a setting from the
Cence pop-up menu.
To choose a clock reference usinpanel controls:
n Push and release the Clock Rswitch to cycle the USD througable
clock references.
To choose a clock reference usinSetup:
n Select a setting from the Clocpop-up menu.
Clock Reference OptionsThe following sections provide
specialized instructions for each clock reference choice.
Video Clock Options
Configuring the USD Clock Reference ce
Pro Tools:
p Window, lock Refer-
g the front
eference h its avail-
g USD
k Reference
Depending upon how the USDured, this clock reference may bRef In
or the Video In connectordetails, see Limitation When UPanel Clock
Reference Switch
For House Sync/Black Burst UseVideo Ref Input.
For Incoming Video Use the Vidnector.
Serial Time Code with MachineC
MachineControl-equipped Protems can utilize serial time coding
MachineControl with seriaas the positional reference, thebe locked
to Video Ref. In this sUSD is set to Generate mode tothat
positional information is aPro Tools directly over the 9-pinthrough
the USD. Consult the Mtrol Users Guide for complete secode
information.
Limitation When Using Front PanReference Switch
When you choose Video usingpanel Clock Reference switch, ththe
signal at the Video Ref In cochoose the signal at the Video Inas
your clock reference, you muUSD Setup or Pro Tools.
from Pro Tools is config-e the Video (for more sing Front
on page 32).
the USD
eo In con-
ontrol
Tools sys-e. When us-l time code USD must cenario, the indicate
cquired by cable, not achineCon-
rial time
el Clock
the front-e USD uses
nnector. To connector st use
-
If you have only a single video source, and since USD uses
different video inputs de-pending on configuration, you may want to
follow the wiring tip below to ensure that you have full
functionality in all con-figurations:
To work with a single video sour
1 Connect the video signal to V
2 Run a short BNC jumper cabVideo Ref Thru connector to
thconnector.
3 Connect the Video Out signavideo input of your destinatiovideo
editing system.
The issue of which video connealso matters when choosing a
preference. For instance, when thGenerate mode and Video is thclock
reference, the time code rthe generator is always from thIn
connector.
However, if you select a positioence other than Generate, thenat
the Video In connector is us
+ For more video signal informatVideo and VITC Signals on
pagependix A.
Digital AES/EBU, Word ClocSuper Clock
To resolve Pro Tools/USD to extAES/EBU, Word Clock or Super
C
From Pro Tools
n Select the appropriate digitalence from the Clock Referencethe
Pro Tools Session Setup win
Using the front panel controls
1 Press the front panel Clock Reference switch to select Digital
as the clock refer-ence.
2 Press Set.
3 Press Up or Down until Digital Reference Chapter 4: U
ce:
ideo Ref In.
le from the e Video In
l to the n VTR or
ctor is used ositional e USD is in e current eference for e
Video Ref
nal refer- the signal
ed.
ion, refer to 67 in Ap-
k and
ernal lock:
clock refer- pop-up in dow.
(dI6 rEF) is displayed in the LED
4 Press Set again. The LED Timplay displays the current
digitawhich will be: AES/EBU (AES-E8U), or Super Clock (256 CLOC),
or Word Clock (I CLOC)
5 Use the Down and Up switchthe desired digital clock.
6 When the desired option is dpress Set.
Using USD Setup
n Select the appropriate Digitalence option from the Clock
Remenu.
If the chosen clock reference soavailable, or the current
confignot valid, the Locked LED on tof the USD front panel will
flas
Additional Digital Clock Informat
AES/EBU The USD AES In conrecognizes and uses the clock
pincoming AES/EBU audio signainformation will be ignored andpassed
to the USD AES Out consing the USD 33
.
e Code Dis-l reference,
es to select
isplayed,
clock refer-f pop-up
urce is un-uration is he far-right h.
ion
nector only ortion of an l. All audio will not be nector.
-
Universal Slave Driver34
Word Clock (1x) Word Clock is a digital clock reference signal
that runs at 1x sam-ple rate, which is the same rate as the clock
signal carried within an AES/EBU or S/PDIF data stream. However,
devices that support Word Clock have separate, dedicated BNC-style
Word Clock connectors thaudio information of their ownriety of
professional audio deviWord Clock connectors, includmixing
consoles, DASH-standamultitrack tape recorders and Mular, digital
multitrack recorder
When transferring digital audioPro Tools from a device that
doport Super Clock (256x), make solve the USD to Word Clock.
Super Clock (256x) Super ClockClock) is Digidesigns
proprietaclock that runs at 256x the samDigidesign audio interfaces
arewith Super Clock inputs and oucause its 256x rate makes it
lessto jitter than Word Clock (1x).
In most situations, the USD shthe master Super Clock signal
toaudio interfaces. You should reUSD to Super Clock any time
yoferring digital audio from one Dworkstation to another.
+ For additional digital clock signtion, see Digital Clock
Signal Typpage 69.
LTC and Clock Reference
LTC can provide both positional and clock information as part of
the time code signal. LTC cannot be read when the reference deck is
stopped or playing back at slow speeds, or at fast wind speeds
(roughly 10x at carry no . A wide va-ces have ing digital rd
digital DMs (mod-s).
to esn't sup-sure to re-
(or Slave ry hi-speed ple rate. All equipped tputs be-
susceptible
ould supply Digidesign solve the u are trans-igidesign
al informa-es on
playback speed).
To resolve the USD to Linear Tim
Using Pro Tools:
n Choose Display > Session Setlect LTC from the Clock
Refere
Using the front panel controls:
n Using the Clock Reference swLTC as the clock reference.
Using USD Setup:
n Select Linear Time Code (LTCUSD Setup Clock Ref pop-up m
Additional LTC Information
LTC can be recorded, or stripedlog audio tape track to provideof
both positional and clock re(when routed back through thestriping).
LTC can also be recorand played back from a VTR auor cue track.
If you are working with house sfacility and want to use LTC
foreference (only), see PositionaOptions on page 39.
+ For further information on LTC LTC Signals on page 67. e
Code:
up and se-nce menu.
itch, select
) from the enu.
, to an ana- the source ference USD after ded onto dio,
address
ync in your r positional l Reference
signals, see
-
Pilot Tone
The USD can resolve to an external Pilot Tone signal for clock
reference, for syn-chronizing to (or transferring audio from)
certain types of open-reel audio tape re-corders. Pilot Tone is
basically a 60 Hz (NTSC) or 50 Hz (PAL) sine wavTone is used on
location film shtablish a common sync referena film or video camera
with a poanalog ATR. Pilot Tone containtional information; it
providesreference.
USD decides whether to use 60 as the pilot tone reference
freqcording to the setting of the VidWhen set to PAL, the pilot
tonis assumed to be 50 Hz. When s60 Hz is assumed.
To resolve the USD to Pilot Tone
From Pro Tools:
n In the USD Setup area of theSession Setup window, click
onReference pop-up and choose P
Using the front panel controls:
1 Connect your Pilot Tone referto the USD Bi-Phase/Tach/GPI/
2 Using the front panel Clock switch, select Pilot.
Using USD Setup:
1 Connect your Pilot Tone referto the USDs Bi-Phase/Tach/GP
2 Select Pilot Tone under the UClock Ref pop-up menu.
If the Pilot Tone reference source is not valid for any reason
(such as a poor con-nection or other signal transmission prob-lem),
the Locked LED on the far-right of the USD front panel will flash
on and off.
+ For additional Pilot Tone information, see Chapter 4: U
e tone. Pilot oots to es-
ce between rtable 1/4
s no posi- only clock
Hz or 50 Hz uency ac-eo Format.
e frequency et to NTSC,
:
Pro Tools the Clock ilot Tone.
ence source Pilot port.
Reference
ence source I/Pilot port.
SD Setups
Pilot Tone on page 70 in Appen
Bi-Phase/Tach and Clock Re
The USD is able to resolve to Bi-information for use as a clock
rPhase/Tach can synthesize posience, but you must provide a
refaddress (see Bi-Phase Position on page 44 for other
requireme
To configure Bi-Phase/Tach for threference:
Using USD Setup:
1 Select Bi-Phase/Tach under UClock Ref pop-up menu.
2 Select the appropriate Pulse Pand Input Signals parameters,
ain Bi-Phase/Tach Starting Frampage 42 and Bi-Phase/Tach Sigpage
43.
Typically, when you use Bi-Phathe clock reference you will
alsoas the positional reference (seePhase/Tach Positional
Referencpage 42.). sing the USD 35
dix A.
ference
Phase/Tach eference. Bi-tional refer-erence start Trimming
nts).
e USD clock
SD Setups
er Frame s described e on nal on
se/Tach as be using it
Bi-e on
-
Universal Slave Driver36
Using the front panel controls:
1 Using the front panel Clock Reference switch, select BI
PHASE/TACH.
2 Select the appropriate Pulse Per Frame and Input Signals
parameters, as described in Bi-Phase/Tach Starting Frame on page 42
and Bi-Phase/Tach Sigpage 43.
s If the Bi-Phase/Tach reference is not valid for any reason
(such anection or other signal transmissithe Locked LED on the
far-right offront panel will flash.
To select Bi-Phase/Tach as the reference from Pro Tools:
n In the USD Setup area of Prosion Setup window, click on
therence pop-up and select Bi-Ph
Additional Bi-Phase/Tach Inform
Bi-Phase/Tach is used with magchine,16-, 35- and 70mm projebed
editing systems and other ttor-driven film equipment.
Bi-P(sometimes called Quadrature STach information are similar, tdo
differ.
Bi-Phase A Bi-Phase signal consquare waves, which are generaby a
devices transport mechanwhich are 90 out-of-phase witother. As a
Bi-Phase-generatingplays it outputs a steady streamwaves that the
USD can use as erence, at nearly any speed incstill/paused.
The USD uses the phase relationship be-tween the two square
waves to determine the devices direction (forward or reverse).
However, this is relevant only when the USD is using the Bi-Phase
signal as a posi-tional reference.nal on
clock source s a poor con-on problem), the USD
positional
Tools Ses-e Clock Ref-ase.
ation
ma-ctors, flat-ypes of mo-hase ync) and
hough they
sists of two ted directly ism, and h one an- device of
square
its clock ref-luding
Tach A Tach signal is a variatioPhase. With Tachs two
signals,only as the direction indicator,other is used as the
velocity, or tor.The USD uses this rate signsolving to Tach as a
clock refer
There are several different standnumber of pulses-per-frame
forTach devices. Using USD SetupFrame setting, you can set the Uate
from 2 to 254 pulses per framthe PPF rate of the external
devPhase/Tach encoder.
+ For additional Bi-Phase/Tach sition, see Bi-Phase/Tach on
pagpendix A.
Internal Clock, Generating aRegenerating
The USD can use its own, crystenced, internal clock as a
mastsource. When USD Clock RefereInternal: Word clock, Super clock,
and
digital clock outputs are simudriven from the internal crysence.
and
If the Positional Reference iserate, generated LTC, MTC, Vand
Window Dub outputs arethe same internal crystal refen of Bi- one is
used while the rate, indica-al when re-ence.
ards for the Bi-Phase or s Pulse Per SD to oper-e to match ices
Bi-
gnal informa-e 70 in Ap-
nd
al-refer-er clock nce is set to
AES/EBU ltaneously tal refer-
set to Gen-ITC count, resolved to rence.
-
To resolve the USD to its internal clock:
From Pro Tools
n In the USD Setup area of Pro Tools Ses-sion Setup window,
select Internal from the Clock Reference selector.
Using the front panel controls
n Use the front panel Clock Reswitch to select Internal.
Using USD Setup
n Select Internal/VSO from theClock Ref pop-up menu.
Variable Speed Override (VS
You can varispeed the rate of thcrystal-referenced internal
cloctune the speed and subsequentPro Tools and any device
receivreference from the USD.
Maximum VSO range is 699 csemitones). VSO is available at tional
reference setting. VSO isable from the front panel contrbe
controlled directly from ProUSD Setup.
To varispeed the rate of the USDclock:
Using Pro Tools
1 Choose Windows > Session Sexpand the Session Setup
windview.
2 Click to enable VSO (an XVSO is enabled).
3 Adjust the varispeed value usscreen slider.
Using USD Setup
1 In the USD Setups Variable Speed Over-ride section, check the
VSO Enabled box. An X indicates that varispeeding is
en-abled.Chapter 4: U
ference
USD Setup
O)
e USDs k, to fine- pitch of ing its clock
ents (6 any posi- not avail-ols, but can Tools and
s internal
etup, and ow to full
indicates
ing the on-
2 Use the sliders to adjust the vvalues in semitone or cent
increactual output word-clock frequshown near the sliders.
or
3 Enter the value in semitonesusing the editable fields. If the
value results in an output frequple rate) that is below 35 kHz
okHz, the frequency display turnthe actual output frequency is this
value.
4 When finished, click the Set enable the changes.
Using Pitch Memory
Pitch Memory, when enabled, output sample rate steady evenClock
Reference has disappeareout of lock range. If not enableput sample
rate will return to trate (for example, exactly 44.1 the Clock
Reference disappearsof lock range.
With Pitch Memory enabled, Pcontinues to play and record
atsolved sample rate even if the Cence source disappears. You
midisable Pitch Memory while pe
The Variable Speed Override sectionsing the USD 37
arispeed ments. The ency is
and cents varispeed ency (sam-r above 50 s red, and
limited to
button to
holds the when the d or gone d, the out-he nominal kHz) when or
goes out
ro Tools the re-lock Refer-
ght want to rforming
-
Universal Slave Driver38
analog recordings so as to have the record-ing made at the true
nominal sample rate (for example, exactly 44.1 kHz.)
If Pitch Memory is disabled and the se-lected external clock
reference is not avail-able, then the USD will revert to the
nomi-nal, selected internal sample ra
To configure Pitch Memory (Holdfront panel:
1 Using the Set, Down, and Upselect Pitch Hold (PICH HLd):
2 Press the Set switch again. ThCode Display will switch to
disthe two parameter values:
On (On); or Off (OFF).
3 Use the Down and Up switchbetween the parameter values.
Using USD Setup:
n Click Pitch Memory Enabled
When you have chosen your dtion, press Set. The LED Time Cwill
return to showing time codThe USD will retain the setting,the unit
is powered off and on changed
Positional References Positional Reference relates to the USD
time code readers and generator, and to the Bi-Phase reader.
Whereas the clock connections and Clock
te setting.
) from the
switches,
e LED Time play one of
es to switch
.
esired op-ode Display e numbers. even when again, until
Reference setting serve to keeptem's components all operatingthe
same rate over time, the Poerence is the facility for workinticular
time address.
The Positional Reference settinplace the USD into a reading
ormode. While in a reading moddresses may be obtained from Lor
Bi-Phase. While in the generthe USD simultaneously generaVITC, and
MTC.
Positional Reference and BPhase/Tach
Time code and positional referencways directly synonymous. In
tthe terms are used interchangewhile referring specifically to
BPhase/Tach, as noted in the foltions.
Selecting a Positional Reference
To select a positional reference Pro Tools:
1 Open the Session Setup wind
2 Choose a reference setting frotional Reference pop-up menu.
your sys- at exactly
sitional Ref-g with a par-
g serves to generating e, time ad-TC, VITC, ate mode, tes
LTC,
i-
e are not al-his guide ably except i-lowing sec-
from
ow.
m the Posi-
-
To select a positional reference using the front panel:
n Press the Clock Reference switch to cycle the USD through its
available clock refer-ences.
To select a positional reference using USD Setup:
n Choose a reference setting frotional Reference pop-up.
s Be sure to select the appropriarates whenever you use LTC or
VITsitional reference.
Positional Reference OThe following sections provideinformation
and configurationtions for each available Positionence format.
Linear Time Code (LTC)
LTC is often striped onto an ATRdio track. Professional VTRs
typan address or cue track, intendeyou are working with a
standartape, youll almost certainly bewith LTC; if youre working
witape, you may be able to work LTC or VITC, or both.
LTC can also be generated as antion of Absolute code. This is
hcode DAT machines, DA-88, anital VTRs work. In any case, LTered to
USD as a series of audiogardless of how it is stored or g
LTC can function simultaneoustional reference and a clock
ref
To use LTC as the USDs positional reference:
From Pro Tools:
n In the USD Setup area of the Session Setup window, choose LTC
from the Posi-tional Ref pop.Chapter 4: U
m the Posi-
te frame C as your po-
ptions additional instruc-al Refer-
or VTR au-ically have
d for LTC. If d audio working th a video-with either
interpola-ow time d many dig-C is deliv- pulses,
re-enerated.
ly as a posi-erence.
Using the front panel controls:
n Using the front panel Positioence switch, select LTC.
Using USD Setup:
n Select Linear Time Code (LTCUSD Setups Positional Ref pop
Ensure that youve selected the clock reference, sample rate,
fraand freewheel duration. Also mLTC signal is routed properly
toLTC In connector.
Freewheel Duration
Freewheel duration (time code configures USD for a maximumframes
it should continue genetime code drops out or is otherrupted.
Freewheel settings are iwhen USD is in Internal/Gener
Example of Time Code Freewhee
In a 30 fps Pro Tools session, ifDuration/Time Code
Freewheeframes, the USD will continue until either the incoming
time is restored, or until 28 frames ewhichever occurs first. sing
the USD 39