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Contents
Before Getting Started...Indicators
Navigating Between Modes
Solar Charging
Useful Features
Time AdjustmentTime Adjustment Using a Time Signal
OverviewAppropriate Signal Reception LocationTime Signal
Reception RangesAuto Time Signal ReceiveManual Time Signal
ReceiveReceive Level IndicatorSignal Reception Precautions
Using Watch Operations to Adjust the TimeSetting
Using the Watch in a Medical Facility orAircraft
Using Mobile Link with a MobilePhone
Getting Ready
A Install the required app on your phone.
B Configure Bluetooth settings.
C Pair the watch with a phone.
Auto Time Adjustment
Configuring Reminder Settings
Configuring World Time Settings
Phone Finder
Configuring Watch Settings
Changing the Home City Summer Time Setting
Checking the Watch Charge Level
Recording Your Current Location (TIME &PLACE)
ConnectionConnecting with a PhoneDisconnecting from a
PhoneUnpairingIf you purchase another phone
MA2002-ED © 2018 CASIO COMPUTER CO., LTD.
RemindersRecording an Appointment or Anniversary
Checking Reminder Notifications
World TimeChecking World Time
World Time City Setting
Swapping Your Home City Time and WorldTime
Alarms and Hourly Time SignalConfiguring Alarm Settings
Enabling/Disabling an Alarm or the HourlyTime Signal
Stopping an Alarm
Determining an Alarm’s On/Off Status
StopwatchMeasuring Elapsed Time
Measuring a Split Time
Timing the First and Second Place Finishers
TimerSetting the Time
Using the Timer
LightIlluminating the Display Manually
Auto Light
Configuring the Auto Light Setting
Specifying the Illumination Duration
Other SettingsSwitching between 12-hour and
24-hourTimekeeping
Changing the Date Display Format
Specifying the Day of the Week Language
Enabling the Button Operation Tone
Configuring Power Saving Function Settings
Returning the Watch to Its Factory DefaultSettings
Moving to Another Time Zone
Other InformationCity Table
Summer Time Table
Supported Phones
Specifications
Mobile Link Precautions
Copyrights and Registered Copyrights
Troubleshooting
Operation Guide 3459/3461
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Before GettingStarted...
This section provides an overview of the watchand introduces
convenient ways it can beused.
Note
● The illustrations included in thisoperation guide have been
created tofacilitate explanation. An illustrationmay differ
somewhat from the item itrepresents.
Indicators
① ②
⑥
⑦
⑧④⑤
③
⑪
⑩⑨
A Displayed while Power Saving is enabled.
B Displayed while Auto Light is enabled.
C Displayed after time adjustment usingtime signal reception or
connection with aphone was successful.● The [RCVD] indicator will
disappear in
the cases below.ーAfter you use watch operations to
change Home City settings (time anddate, city, summer time)
ーAfter the watch switches betweenstandard time and summer
time
ーAfter a time signal receive operationfails
ーAfter a phone-based time adjustmentoperation fails
D Displayed while there is connectionbetween the watch and a
phone.
E Displayed during p.m. times while 12-hourtimekeeping is being
used.
F Displayed while the watch is indicatingsummer time.
G Displayed while battery power is low
H Displayed while an alarm is turned on.
I Displayed while the hourly time signal isenabled.
J Displayed while the operation tone ismuted.
K Displayed while the snooze alarm isenabled.
Navigating Between ModesPress (C) to cycle between modes.● In
any mode, hold down (C) for about one
second to enter the Timekeeping Mode.
C
CC
C
C
World Time Mode
Alarm Mode
Timer Mode
Stopwatch Mode
Timekeeping Mode
● Connecting with a PhoneHold down (C) for about three seconds
toestablish a connection with a phone.● To disconnect, press any
button.
C After connectionBefore connection
Any button
Solar ChargingThis watch runs on power supplied from
arechargeable (secondary) battery that ischarged by a solar panel.
The solar panel isintegrated into the face of the watch, andpower
is generated whenever the face isexposed to light.
● Charging the WatchWhen you are not wearing the watch, put it
ina location where it is exposed to bright light.
While you are wearing the watch, make surethat its face (solar
panel) is not blocked fromthe light by the sleeve of your clothing.
Powergeneration efficiency is reduced even whenthe face of the
watch is blocked only partially.
NOYES
Important!
● Depending on light intensity and localconditions, the watch
may become hotto the touch when exposed to light forcharging. Take
care to avoid burninjury after charging. Also, avoidcharging the
watch under high-temperature conditions like the onesdescribed
below.ーOn the dashboard of a vehicle
parked in the sunーNear an incandescent light bulb or
other source of heatーUnder direct sunlight or in other hot
areas for long periods
Operation Guide 3459/3461
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● Low BatteryA low battery will cause [LOW] to flash and
willdisable the functions below.● Time signal reception●
Illumination● Sounds (alarms, etc.)● Connection with a phone
If the charge level drops even further, [CHG]will flash. If this
happens, all functions aredisabled.
● Dead BatteryThe digital display will go blank if the
batterygoes dead. Memory data is lost, and watchsettings are
returned to their initial factorydefaults.
Important!
● Should the battery go low or go dead,expose the face (solar
panel) to light assoon as possible.
● Exposing the watch to light while itsbattery is dead will
cause [CHG] tostart flashing. Keep the watch exposedto light until
the current time appears onthe display.
Note
● If [R] is flashing, it means that allfunctions, except for
timekeeping, aredisabled due to high momentarybattery power
consumption.
● Charging Time GuidelinesThe table below shows guidelines
forapproximate charging times.Charging Times Required for 1 Day
ofOperationLight Intensity Approximate Charging Time
Highp
Low
A 8 minutesB 30 minutesC 48 minutesD 8 hours
Times Required to Achieve Next ChargeLevel3459
Light IntensityApproximate Charging TimeCharge Level
1Charge Level
2
Highp
Low
A 3 hours 45 hoursB 10 hours 168 hoursC 16 hours 270 hoursD 208
hours -
3461
Light IntensityApproximate Charging TimeCharge Level
1Charge Level
2
Highp
Low
A 3 hours 45 hoursB 10 hours 169 hoursC 16 hours 274 hoursD 210
hours -
Charge Level 1 :Time from dead battery until watch
operationstarts.Charge Level 2 :Time from watch operation start
until a fullcharge.
Light Intensity
A Sunny day, outdoors (50,000 lux)
B Sunny day, near a window (10,000 lux)
C Overcast day, near a window (5,000 lux)
D Indoor fluorescent lighting (500 lux)
Note
● Actual charging time depends on thelocal charging
environment.
● Power Saving FunctionLeaving the watch in a dark location for
aboutone hour between the hours of 10 p.m. and 6a.m. will cause the
display to go blank, and thewatch to enter Level 1 power saving. If
thewatch is left in this condition for six or sevendays, the watch
will enter Level 2 powersaving.Power Saving Level 1 :Digital
display goes blank to save power. Thewatch can connect with a phone
at this level.Power Saving Level 2 :Digital display goes blank to
save power. Allfunctions are disabled.Recovering from Power Saving
OperationUse one of the operations below to exit powersaving.●
Press any button.● Move the watch to a bright location.● Trigger
auto light by angling the watch
towards your face.
Note
● The watch will not enter power savingin the cases below.ーAlarm
ModeーWhile in the Stopwatch ModeーWhile in the Timer Mode
● You can enable or disable PowerSaving.l Configuring Power
Saving
Function Settings● Note that the watch also may enter
power saving if its face is blocked fromlight by your sleeve
while you arewearing it.
Useful FeaturesPairing the watch with your phone makes anumber
of the watch’s features easier to use.Auto time adjustmentl Auto
Time Adjustment
12:30
Operation Guide 3459/3461
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Selection of More Than 300 World Timecitiesl Configuring World
Time Settings
Recording of Anniversaries andAppointmentsl Configuring Reminder
Settings
In addition, a number of other watch settingscan be configured
using your phone.
To transfer data to a watch and toconfigure settings, you first
need to pairthe watch with your phone.l Getting Ready
Time AdjustmentYour watch can obtain date and timeinformation by
connecting with a phone and byreceiving time signals, which it uses
to adjustits settings.
Important!
● Disable auto time adjustmentwhenever you are inside an
aircraft orin any other area where radio wavereception is
prohibited or restricted.l Using the Watch in a Medical
Facility or Aircraft
Referring to the information below, configurethe time setting in
accordance with the methodthat suits your own lifestyle.
Do you use a phone?Time adjustment by connecting with yourphone
is recommended.l Auto Time Adjustment
12:30
Can you receive a time signal in your area?While the watch’s
Home Time City settingis one where a time signal can bereceived,
the watch’s time and daysettings can be adjusted in accordancewith
the signal.l Time Signal Reception Rangesl Setting a Home Time
City
Other than the above.If you are unable to connect with a
phoneand are unable to receive a time signal,you can perform watch
button operationsto adjust its time setting.l Using Watch
Operations to Adjust the
Time Setting
Time Adjustment Using aTime Signal
OverviewThe watch’s time and day settings can beadjusted in
accordance with a received timesignal.
Important!
● If you are in a location where a timesignal can be received
and you want toreceive the signal, select a city in yourtime zone
that supports time signalreception as your Home City. Thewatch will
not indicate the correct timeif the Home City setting is wrong.
● The watch will normally not performauto signal receive while
it is pairedwith a phone. However, auto receivewill be performed if
there is noconnection between the watch andphone for more than one
day.
Note
● Areas where time signal reception issupported are limited.
When the watchin an area where time signal receptionis not
possible, connect with a phoneto adjust time and day settings.l
Time Signal Reception Ranges
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Appropriate Signal ReceptionLocation
A time calibration signal can be received whilethe watch is near
a window.● Position the watch so its 12 o’clock side is
facing the window.● Keep metal objects away from the watch.● Do
not move the watch.● Do not perform any operation on the watch.
12 o'clock
Note
● You may experience time calibrationsignal reception problems
in the areasdescribed below.ーAmong or near buildingsーWhile riding
in a vehicleーNear household appliances, office
machines, mobile phones, etc.ーOn a construction site, in an
airport,
or any other location where radiowave interference occurs
ーNear high-voltage linesー In mountainous areas or behind a
mountain
Time Signal Reception RangesTime calibration signal reception is
supportedin the areas shown below.
● Japan Time Calibration Signal (JJY)
500 kilometers
500 kilometers
1,000 kilometers
1,000 kilometers Tokyo
FukushimaFukuoka/
Saga
● Chinese Time Calibration Signal (BPC)
500 kilometers
1,500 kilometers
Chengdu
Shangqiu
Hong Kong
Shanghai
Beijing
Changchun
● U.S. Time Calibration Signal (WWVB)
600 miles (1,000 kilometers)
2,000 miles (3,000 kilometers)
Los AngelesDenver
Fort Collins
Chicago
New York
● U.K. (MSF) and German (DCF77) TimeCalibration Signal
The Anthorn signal is receivable within this area.
500 kilometers
1,500 kilometers
MainflingenAnthorn
Note
● Even if you are within the normalreception range of a time
calibrationsignal, reception may be madeimpossible by the following
factors:geographic contours, weather, theseason, the time of day,
wirelessnoise.
Auto Time Signal ReceiveAn automatic time calibration signal
receiveoperation is performed and the time and daysettings are
adjusted between midnight and5:00 a.m. Once a signal receive
operation issuccessful, no more auto receive operationsare
performed that day.Getting ReadyEnter the Timekeeping Mode.l
Navigating Between Modes
Place the watch near a window or some otherlocation appropriate
for signal reception.● [RCVD] flashes while time signal
reception
is in progress.● When the receive operation is successful,
the time and day settings are adjustedautomatically and the
[RCVD] indicatorappears.
Note
● Reception takes anywhere from abouttwo minutes to about 10
minutes. It cantake as long as 20 minutes.
Manual Time Signal Receive
1. Place the watch near a window or someother location
appropriate for time signalreception.
2. Enter the Timekeeping Mode.l Navigating Between Modes
3. Hold down (D) for about two seconds.Release the button after
[RCVD] startsflashing.This indicates that time signal receptionhas
started.
ReceivingGetting ready to receive
Operation Guide 3459/3461
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Note
● When a receive operation issuccessful, [RCVD] will appear,
andthe time and day settings will beadjusted automatically.
● If a receive operation fails for somereason, [RCVD] will
disappear and[NG] or [ERR] will be displayed. Toreturn to the
unadjusted timekeepingdisplay, press any button.
● Time signal reception is not possible ifyour Home City is one
where timesignal reception is not possible or ifyour phone’s
location informationacquisition is turned off.
Receive Level IndicatorWhile a receive operation is in progress,
itscurrent status is indicated on the display asshown below. The
level indicator changes inaccordance with the signal quality. Use
thelevel indicator to find a location where signalreception is
stable.
Receive level indicator
Unstable Stable
Signal Reception Precautions● When the watch is unable to adjust
its time
in accordance with a calibration signal forsome reason, average
timekeepingaccuracy is within ±15 seconds per month.
● Note that an internal decoding process thewatch performs after
it receives a signalmay cause the time setting to be slightly
off(by less than one second).
● Time signal reception is not possible whenany one of the
conditions below exists.ーWhile battery power is lowーWhile the watch
is in the Stopwatch Mode,
Timer Mode, or Alarm Modeー In Power Saving Level 2ーTimer
countdown operation in progressーWhile auto time adjustment is
disabledーWhile the Home City setting is one where
time signal reception is not possibleーWhile the watch is outside
the time signal
reception range
● If the receive operation is successful, thetime and day
settings will be adjustedautomatically in accordance with the
HomeCity and summer time settings. Summertime will not be applied
correctly in the casesdescribed below.ーWhen the summer time start
date and
time, end date and time, or other rules arechanged by
authorities
● If your watch is connected with a phone,settings must be
configured so G-SHOCKConnected can acquire locationinformation.
Even if you are in an area thatis within the reception range of a
time signal,reception will not be performed if settingsare
configured in a way that makes signalreception impossible.
● As of July 2018, China does not observesummer time. If China
starts to observesummer time in the future, the timedisplayed by
the watch for China may not becorrect.
Using Watch Operations toAdjust the Time Setting
● Setting a Home Time CityUse the procedure in this section to
select acity to use as your Home City. If you are in anarea that
observes summer time, you can alsoenable or disable summer
time.
Note
● The initial factory default summer timesetting for all cities
is [AUTO]. In manycases, the [AUTO] setting lets you usethe watch
without switching betweensummer time and standard time.
1. Hold down (A) for about two seconds until[HT] flashes.
Home City
2. Use (D) and (B) to change the Home Citysetting.● For details
refer to the information
below.l City Table
3. Press (C).4. Use (D) to select a summer time setting.
Each press of (D) cycles through availablesettings in the
sequence shown below.● [AUTO]
The watch switches between standardtime and summer time
automatically.
● [OFF]The watch always indicates standardtime.
● [ON]The watch always indicates summertime.
5. Press (A) to exit the setting screen.● Setting the
Time/Date
1. Hold down (A) for about two seconds until[HT] flashes.
2. Keep pressing (C) until the setting youwant to change is
flashing.● Each press of (C) moves the flashing to
the next setting in the sequence shownbelow.
Operation Guide 3459/3461
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Power Saving
Auto adjust
Illumination duration
Operation tone enable/disable
Day of the week language
Date display format
12/24-hour timekeeping
Day
Month
Year
Minutes
Hours
Seconds
Summer time
Home City
3. Configure the date and time settings.● To reset the seconds
to 00: Press (D).
1 is added to the minutes when thecurrent count is between 30
and 59seconds.
● Use (D) and (B) to change the othersettings.
4. Repeat steps 2 and 3 to configure theother settings.
5. Press (A) to exit the setting screen.
Using the Watch in a MedicalFacility or Aircraft
Whenever you are in a hospital, on an aircraft,or in any other
location where auto signalreceive or connection with a phone may
causeproblems, you can perform the procedurebelow to disable it. To
re-enable auto timeadjustment, perform the same operationagain.
1. Hold down (A) for about two seconds until[HT] flashes.
2. Press (C) 13 times.This displays [RECEIVING].
3. Press (D) to select the auto timeadjustment setting you
want.[OFF]: Auto time adjustment disabled.[On]: Enable auto time
adjustment.
4. Press (A) to exit the setting screen.
Using Mobile Link witha Mobile Phone
While there is a Bluetooth connectionbetween the watch and
phone, the watch timesetting is adjusted automatically. You can
alsochange the watch’s other settings.
Note
● This function is available only while G-SHOCK Connected is
running on thephone.
● This section describes watch andphone operations.X : Watch
operationY : Phone operation
Getting Ready
A Install the required app on yourphone.
In Google Play or the App Store, search for theCASIO “G-SHOCK
Connected” app andinstall it on your phone.
B Configure Bluetooth settings.Enable the phone’s Bluetooth.
Note
● For details about setting procedures,see your phone
documentation.
C Pair the watch with a phone.Before you can use the watch in
combinationwith a phone, you first need to pair them.
1. Move the phone to be paired with close to(within one meter
of) the watch.
2. Y On the Home Screen, tap the “G-SHOCK Connected” icon.
3. Y Perform the operation shown on thephone screen to be paired
with.● If a pairing prompt message appears,
perform the operation shown on thephone screen.
● If pairing fails for some reason, [NG] or[ERR] will appear on
the displaymomentarily and then the timekeepingscreen will appear.
Perform the pairingprocedure again from the beginning.
Pairing complete.Pairing started.
Note
● The first time you start up G-SHOCKConnected, a message will
appear onyour phone asking if you want toenable location
informationacquisition. Configure settings to allowbackground use
of locationinformation.
Operation Guide 3459/3461
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Auto Time AdjustmentYou can configure watch settings to
connectwith a phone at preset times each day andadjust its time
settings in accordance withinformation obtained from an online
timeserver.
● Using Auto AdjustYour watch adjusts its time setting four
timesa day according to a preset schedule. If youleave your watch
in the Timekeeping Mode, itwill perform the adjustment
operationautomatically as you go about your daily life,without any
operation required by you.
12:30
Important!
● The watch may not be able to performauto time adjustment under
theconditions described below.ーWhile the watch is too far away
from
its paired phoneーWhile communication is not possible
due to radio interference, etc.ーWhile the phone is updating
its
system
Note
● If there is a World Time City specifiedwith G-SHOCK Connected,
its time willalso be adjusted automatically.
● The watch will connect with the phoneand perform auto time
adjustment ataround 12:30 a.m., 6:30 a.m., 12:30p.m. and 6:30 p.m.
The connection isautomatically terminated after autotime adjustment
is complete.
● Time signal auto receive will beperformed if there has been no
autotime adjustment based on connectionbetween the watch and phone
for morethan one day.
● Triggering Immediate Time AdjustmentThe watch’s time setting
will be adjustedautomatically whenever you establish aconnection
between the watch and a phone.Whenever you want to adjust the
watch’s timesetting based on your phone's time, performthe
procedure below to connect with a phone.
1. Move the phone close to (within one meterof) the watch.
2. On the watch, enter the TimekeepingMode.l Navigating Between
Modes
3. Press (D).[TIME] flashes to indicate that the watchhas
started the connection operation.Once the watch and phone
areconnected, [OK] will appear, and then thewatch will adjust its
time setting based oninformation from the phone.
Following time adjustment
Trying to connect
Note
● The connection is terminatedautomatically after time
adjustment iscomplete.
● If time adjustment fails for somereason, [NG] or [ERR] will
appear.
● [RCVD] flashes when the receiveoperation starts, and [RCVD]
appearsafter it is complete.
Configuring ReminderSettings
After you use G-SHOCK Connected to createa reminder for an
appointment, anniversary, orsome other event you don’t want to
forget, thewatch will remind you when that day isreached.● You can
have up to five reminders
registered.
1. Y Tap the “G-SHOCK Connected” icon.2. X Hold down (C) for
about three seconds
until e and [CNCT] flash on the display.When a connection is
establishedbetween the watch and phone, e and[CNCT] will stop
flashing.● If connection fails for some reason, [NG]
or [ERR] will appear on the displaymomentarily and then the
watch willreturn to the Timekeeping Mode.
Trying to connect Connected
3. Y Follow the instructions that appear onthe screen to
configure reminder settings.● You can input up to 18
alphanumeric
characters as a reminder title.
Configuring World TimeSettings
Specifying a World Time City with G-SHOCKConnected causes the
watch’s World TimeCity to change accordingly. Watch settingscan be
configured for auto summer timeswitching for the World Time
City.
Note
● G-SHOCK Connected World Time letsyou select from among
approximately300 cities as the World Time City.
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● Selecting a World Time City
1. Y Tap the “G-SHOCK Connected” icon.2. X Hold down (C) for
about three seconds
until e and [CNCT] flash on the display.When a connection is
establishedbetween the watch and phone, e and[CNCT] will stop
flashing.● If connection fails for some reason, [NG]
or [ERR] will appear on the displaymomentarily and then the
watch willreturn to the Timekeeping Mode.
Trying to connect Connected
3. Y Perform the operation shown on thephone screen. The World
Time setting willbe reflected on the watch.
● Creating a User CityIn addition to the approximately 300
citiesavailable with G-SHOCK Connected, you canspecify a location
on an on-screen map andcreate a user city.
1. Y Tap the “G-SHOCK Connected” icon.2. X Hold down (C) for
about three seconds
until e and [CNCT] flash on the display.When a connection is
establishedbetween the watch and phone, e and[CNCT] will stop
flashing.● If connection fails for some reason, [NG]
or [ERR] will appear on the displaymomentarily and then the
watch willreturn to the Timekeeping Mode.
Trying to connect Connected
3. Y Perform the operation shown on thephone screen. The World
Time setting willbe reflected on the watch.
Note
● You can have up to five locationsregistered as user
cities.
● You can assign a name up to 18characters long to each user
city.
● Configuring the Summer Time Setting
1. Y Tap the “G-SHOCK Connected” icon.2. X Hold down (C) for
about three seconds
until e and [CNCT] flash on the display.When a connection is
establishedbetween the watch and phone, e and[CNCT] will stop
flashing.● If connection fails for some reason, [NG]
or [ERR] will appear on the displaymomentarily and then the
watch willreturn to the Timekeeping Mode.
Trying to connect Connected
3. Y Perform the operation shown on thephone screen to select a
summer timesetting.● “Auto”
The watch switches between standardtime and summer time
automatically.
● “OFF”The watch always indicates standardtime.
● “ON”The watch always indicates summertime.
Note
● While the summer time setting is“Auto”, the watch will switch
betweenstandard time and summer timeautomatically. You do not need
toswitch between standard time andsummer time manually. Even if you
arein an area that does not observesummer time, you can leave
thewatch’s summer time setting as “Auto”.
● Changing the time setting manuallywith a watch operation will
cancel autostandard time/summer time switching.
● For information about summer timeperiods, refer the “Summer
TimeTable” or G-SHOCK Connected.
● Swapping Your World Time and HomeTime
1. Y Tap the “G-SHOCK Connected” icon.2. X Hold down (C) for
about three seconds
until e and [CNCT] flash on the display.When a connection is
establishedbetween the watch and phone, e and[CNCT] will stop
flashing.● If connection fails for some reason, [NG]
or [ERR] will appear on the displaymomentarily and then the
watch willreturn to the Timekeeping Mode.
Trying to connect Connected
3. Y Perform the operation shown on thephone screen to swap your
Home Timewith your World Time.
Note
● Auto time adjustment does not work for24 hours after swapping
of the HomeTime and World Time.
Phone FinderYou can use phone finder to trigger a tone onthe
phone to make it easy to find. The tone isforced to sound even if
the phone is in vibratemode.
Important!
● Do not use this function in areas wherephone call tones are
restricted.
● The tone sounds at a high volume. Donot use this function when
listening tophone output over earphones.
1. X If the watch is connected with a phone,press any button to
terminate theconnection.
Connected After disconnection
Operation Guide 3459/3461
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2. X If the watch is in any mode besides theTimekeeping Mode,
hold down (C) forabout two seconds to enter theTimekeeping
Mode.
3. X Hold down (D) for about five secondsuntil e and [FIND]
flash on the display.The phone will sound a tone when itestablishes
a connection with the watch.● It will take a few seconds before
the
phone tone sounds.
Searching for the phone
Preparing to search for the phone
4. X Press any button to stop the tone.● You can press any watch
button to stop
the phone tone, but only during the first30 seconds after it
starts to sound.
Configuring Watch SettingsAlarm time, timer start time, and
other settingscan also be configured using G-SHOCKConnected.
1. Y Tap the “G-SHOCK Connected” icon.2. X Hold down (C) for
about three seconds
until e and [CNCT] flash on the display.When a connection is
establishedbetween the watch and phone, e and[CNCT] will stop
flashing.● If connection fails for some reason, [NG]
or [ERR] will appear on the displaymomentarily and then the
watch willreturn to the Timekeeping Mode.
Trying to connect Connected
3. Y Select the setting you want to changeand then perform the
operation shown onthe phone screen.
Changing the Home CitySummer Time Setting
1. Y Tap the “G-SHOCK Connected” icon.2. X Hold down (C) for
about three seconds
until e and [CNCT] flash on the display.When a connection is
establishedbetween the watch and phone, e and[CNCT] will stop
flashing.● If connection fails for some reason, [NG]
or [ERR] will appear on the displaymomentarily and then the
watch willreturn to the Timekeeping Mode.
Trying to connect Connected
3. Y Perform the operation shown on thephone screen to change
your Home Citysummer time setting.
Checking the Watch ChargeLevel
Use the procedure below to check the currentcharge level with
G-SHOCK Connected.
1. Y Tap the “G-SHOCK Connected” icon.2. X Hold down (C) for
about three seconds
until e and [CNCT] flash on the display.When a connection is
establishedbetween the watch and phone, e and[CNCT] will stop
flashing.● If connection fails for some reason, [NG]
or [ERR] will appear on the displaymomentarily and then the
watch willreturn to the Timekeeping Mode.
Trying to connect Connected
3. Y Use G-SHOCK Connected to check thecharge level.
Recording Your CurrentLocation (TIME & PLACE)
You can use the procedure below to recordyour current location,
along with the time anddate, while traveling or otherwise on the
go.Recorded location information can be viewedon a G-SHOCK
Connected map while yourwatch is connected with the phone.
● Recording Your Current Location
1. X Enter the Timekeeping Mode.l Navigating Between Modes
2. X When you are in the location you wantto record, press
(D).This records, in phone memory, thelatitude and longitude of the
location youare in when you press (D), along with thedate and time
of the recording.
● Viewing a Recorded Location on a Map
1. Y Tap the “G-SHOCK Connected” icon.2. X Hold down (C) for
about three seconds
until e and [CNCT] flash on the display.When a connection is
establishedbetween the watch and phone, e and[CNCT] will stop
flashing.● If connection fails for some reason, [NG]
or [ERR] will appear on the displaymomentarily and then the
watch willreturn to the Timekeeping Mode.
Trying to connect Connected
3. Y Perform the operation shown on thephone screen to view
recorded locationinformation.
Note
● You can use G-SHOCK Connected todelete recorded location
information.
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Connection
Connecting with a PhoneThis section explains how to establish
aBluetooth connection with a phone that ispaired with the watch.●
If the watch is not paired with the phone you
want to connect with, refer to the informationbelow and pair
them.lC Pair the watch with a phone.
1. Move the phone close to (within one meterof) the watch.
2. X Hold down (C) for about three secondsuntil e and [CNCT]
flash on the display.When a connection is establishedbetween the
watch and phone, e and[CNCT] will stop flashing.● If connection
fails for some reason, [NG]
or [ERR] will appear on the displaymomentarily and then the
watch willreturn to the Timekeeping Mode.
Trying to connect Connected
Important!
● If you have problems establishing aconnection, it could mean
that G-SHOCK Connected is not running onthe phone. On the phone’s
homescreen, tap the “G-SHOCKConnected” icon. After the app
startsup, hold down the watch’s (C) buttonfor about three
seconds.
Note
● The connection will be terminated ifyou do not perform any
operation onthe watch or phone for a fixed amountof time.To specify
the connection limit time,perform the following operation with
G-SHOCK Connected: “Watchsettings”n“Connection time”. Next,select a
setting of 3 minutes, 5 minutes,or 10 minutes.
Disconnecting from a PhonePressing any button will terminate a
Bluetoothconnection and return to the TimekeepingMode.
Connected After disconnection
Unpairing
1. X If the watch is connected with a phone,press any button to
terminate theconnection.
Connected After disconnection
2. Y Tap the “G-SHOCK Connected” icon.3. Y Perform the operation
shown on the
phone screen to unpair.
If you purchase another phoneYou need to perform the pairing
operationwhenever you want to establish a Bluetoothconnection with
a phone for the first time.lC Pair the watch with a phone.
RemindersIf you use G-SHOCK Connected to record anappointment,
anniversary, or some otherevent you don’t want to forget, the watch
willremind you when that day is reached.Getting ReadyEnter the
Timekeeping Mode.l Navigating Between Modes
Recording an Appointmentor Anniversary
You can connect the watch with a phone anduse G-SHOCK Connected
to recordappointments and anniversaries.l Configuring Reminder
Settings
Checking ReminderNotifications
[REM] flashes on the display during a day iswhen there is an
anniversary or event that wascreated with G-SHOCK Connected.
Pressingany button other than (B) will the display thetitle
assigned to the reminder.
After the title is displayed once, the date of thereminder will
appear with the dot between themonth and day flashing. Pressing (A)
while thedot is flashing will display the title again.
Note
● If you turn on display illumination on areminder date, the
display light willflash red for a few seconds afterillumination
automatically turns off.
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World TimeWorld Time lets you look up the current timein any one
of 39 cities around the globe, andUTC (Universal Coordinated
Time).
Getting ReadyEnter the World Time Mode.l Navigating Between
Modes
Checking World TimeEntering the World Time Mode causes theWorld
Time number and city name to appearfirst. After that, the display
will appear asshown below.
World Time number
World Time
Home City time
● Pressing (A) displays the city for thedisplayed time.
● To change the selected World Time city,press (D).
World Time City SettingYou can specify up to five cities as your
WorldTime favorites. If you are in an area thatobserves summer
time, you can also enableor disable summer time.
Note
● The initial factory default summer timesetting for all cities
is [AUTO]. In manycases, the [AUTO] setting lets you usethe watch
without switching betweensummer time and standard time.
1. Use (D) to display the World Time numberwhose setting you
want to configure.
2. Hold down (A) for about two seconds.This causes [WT] to flash
on the display.
3. Use (D) and (B) to display the city you wantto assign to the
World Time number.
4. If you want to change the summer timesetting, press (C).
5. Use (D) to select a summer time setting.Each press of (D)
cycles through availablesettings in the sequence shown below.●
[AUTO]
The watch switches between standardtime and summer time
automatically.
● [OFF]The watch always indicates standardtime.
● [ON]The watch always indicates summertime.
6. Press (A) to exit the setting screen.
Note
● While [UTC] is selected as the city, youwill not be able to
change or check thesummer time setting.
Swapping Your Home CityTime and World Time
Press (A) and (B) at the same time to swapyour Home City time
and World City time.
After swappingBefore swapping
World Time
World Time
Home Time
Home Time
Note
● This function comes in handy whenyou need to move to another
timezone. For details about how to use it,go to the section
below.lMoving to Another Time Zone
Alarms and Hourly TimeSignal
The watch will beep when the alarm time isreached. You can
configure up to fourstandard daily alarms, and one daily alarmwith
snooze. The hourly time signal causes thewatch to beep every hour
on the hour.● Snooze causes the alarm to sound up to
seven times, at five-minute intervals.● The alarm sound is muted
in the cases
described below.ーWhen battery power is lowーWhen watch is at
Level 2 power savingl Power Saving Function
Getting readyEnter the Alarm Mode.l Navigating Between Modes
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Configuring Alarm Settings
1. Use (D) to display the alarm screen (alarmnumber [1] to [4]
or [SNZ]) whose settingyou want to change.
Alarm time
Alarm number
2. Hold down (A) for about two seconds.This causes the hours
digits to flash.
Hours
3. Use (D) and (B) to change the hour setting.● If you are using
12-hour timekeeping,
[P] indicates p.m.
4. Press (C).This causes the minutes digits to flash.
Minutes
5. Use (D) and (B) to change the minutesetting.
6. Press (A) to exit the setting screen.7. Press (C) three times
to return to the
Timekeeping Mode.
Note
● You can also use G-SHOCKConnected to configure alarm
timesettings.
Enabling/Disabling an Alarmor the Hourly Time Signal
1. Use (D) to display the item whose on/offsetting you want to
change: alarm number[1] to [4] or [SNZ], or the hourly time
signal([SIG]) screen.
Alarm or hourly time signal
2. Press (A) to toggle the displayed alarm orthe hourly time
signal between on and off.
Stopping an AlarmPressing any button while the beeper issounding
stops it.
Determining an Alarm’sOn/Off Status
Turning on an alarm or the hourly time signalcauses the
corresponding indicator to appearon the display.
SnoozeHourly time signal
Alarm
StopwatchThe stopwatch can measure elapsed time upto 23 hours,
59 minutes, 59 seconds (24hours).Getting readyEnter the Stopwatch
Mode.l Navigating Between Modes
Measuring Elapsed Time
1. Use the operations below to measureelapsed time.
D
D
D
D Stop
Resume
Stop
Start
● Elapsed time is shown in 1/100-secondunits for the first hour
of themeasurement. After the first hour,elapsed time is shown in
one-secondunits.
Hour, minute, second
After first hour
Minutes, seconds, 1/100 seconds
First hour
2. Press (A) to reset the elapsed time to allzeros.
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Measuring a Split Time
1. Use the operations below to measureelapsed time.● Each press
of (D) causes the elapsed
time up to that point (split time) to beindicated.
D
A
A
D Stop
Split release
Split
Start
● Elapsed time is shown in 1/100-secondunits for the first hour
of themeasurement. After the first hour,elapsed time is shown in
one-secondunits.
Hour, minute, second
After first hour
Minutes, seconds, 1/100 seconds
First hour
2. Press (A) to reset the elapsed time to allzeros.
Timing the First and SecondPlace Finishers
1. Use the operations below to measureelapsed time.
D
A
D 2nd Finisher*
1st Finisher*
Start
* This displays the time of the firstfinisher.
● Elapsed time is shown in 1/100-secondunits for the first hour
of themeasurement. After the first hour,elapsed time is shown in
one-secondunits.
Hour, minute, second
After first hour
Minutes, seconds, 1/100 seconds
First hour
2. Press (A) to display the time of the secondfinisher.
3. Press (A) to reset the elapsed time to allzeros.
TimerThe timer counts down from a start timespecified by you. A
beeper sounds when theend of the countdown is reached.● The beeper
is muted in the cases described
below.ーWhen battery power is low
Getting ReadyEnter the Timer Mode.l Navigating Between Modes
Setting the TimeThe countdown start time can be set in 1-second
units up to 24 hours.
1. Hold down (A) for about two seconds.This causes the hours
digit to flash.
Hours
2. Use (D) and (B) to change the timer hourssetting.
3. Press (C).This causes the minutes digits to flash.
Minutes
4. Use (D) and (B) to change the timerminutes setting.
5. Press (C).This causes the seconds digits to flash.
Seconds
6. Use (D) and (B) to change the target timeseconds setting.
7. Press (A) to exit the setting screen.
Note
● You can also use G-SHOCKConnected to configure timer
settings.
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Using the Timer
1. Use the operations below to perform atimer operation.
D
D
D
(Time up)
Resume
Pause
(Measurement operation starts.)
Start
● A beeper will sound for 10 seconds tolet you know when the end
of acountdown is reached.
● To reset a paused countdown to thestart time, press (A).
2. Press any button to stop the tone.
LightThe watch has an LED light that you can useto illuminate
the display for about two secondsfor viewing in the dark. When
turned on,illumination becomes gradually brighter andthen gradually
dimmer.The watch also has an auto light function thatautomatically
illuminates the displaywhenever the watch is angled for reading
inthe dark.
Illuminating the DisplayManually
Pressing (B) turns on illumination.
● Illumination will turn off automatically if analarm starts to
sound.
Auto LightIf Auto Light is enabled, display illuminationwill
turn on automatically whenever the watchis positioned at an angle
of 40 degrees or morewhen it is dark.
40 degrees or more
Important!
● Auto Light may not operate properlywhen the watch is at a
horizontal angleof 15 degrees or greater fromhorizontal as shown in
the illustrationbelow.
● Auto Light may operate unintentionallyand run down the battery
if the watchis blocked from light by your sleeve.
● Electro-static charge or magnetismcan interfere with proper
auto lightoperation. If this happens, try loweringyour arm and then
angle it towardsyour face again.
● When moving the watch you may notea slight rattling sound.
This is due tooperation of the auto light switch,which determines
the currentorientation of the watch. It does notindicate
malfunction.
Note
● Auto Light is disabled when any one ofthe conditions below
exists.ーAlarm, timer alert, or other beeper
sounding
Configuring the Auto LightSetting
1. Enter the Timekeeping Mode.l Navigating Between Modes
2. Hold down (B) for about three seconds.● Each time (B) is held
down for about
three seconds, Auto Light will togglebetween enabled and
disabled.
DisabledEnabled
Specifying the IlluminationDuration
You can select either two seconds or fourseconds as the
illumination duration.
1. Enter the Timekeeping Mode.l Navigating Between Modes
2. Hold down (A) for about two seconds until[HT] flashes.
3. Press (C) 12 times to display [LIGHT].
4. Press (D) to toggle between the twoillumination duration
settings.[2]: 2-second illumination[4]: 4-second illumination
5. Press (A) to exit the setting screen.
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Other SettingsThis section explains other watch settings youcan
configure.Getting ReadyEnter the Timekeeping Mode.l Navigating
Between Modes
Switching between 12-hourand 24-hour Timekeeping
You can specify either 12-hour format or 24-hour format for the
time display.
1. Hold down (A) for about two seconds until[HT] flashes.
2. Press (C) eight times.This causes [12H] or [24H] to flash on
thedisplay.
3. Press (D) to toggle the setting between[12H] (12-hour
timekeeping) or [24H] (24-hour timekeeping).
24-hour timekeeping12-hour timekeeping
4. Press (A) to exit the setting screen.
Changing the Date DisplayFormat
You can select either month/day or day/monthas the date display
format.
1. Hold down (A) for about two seconds until[HT] flashes.
2. Press (C) nine times.This causes [M.DD] or [DD.M] to flash
onthe display.
3. Use (D) to select either [M.DD] (month/day) or [DD.M]
(day/month).
4. Press (A) to exit the setting screen.
Specifying the Day of theWeek Language
You can select any one of six languages forthe day of the week
display in the TimekeepingMode.
1. Hold down (A) for about two seconds until[HT] flashes.
2. Press (C) 10 times.This causes the language setting to
flash.
3. Use (D) to select a language.[ENG]: English[ESP]:
Spanish[FRA]: French[DEU]: German[ITA]: Italian[PyC]: Russian
4. Press (A) to exit the setting screen.
Enabling the ButtonOperation Tone
Use the procedure below to enable or disablethe tone that sounds
when you press a button.
1. Hold down (A) for about two seconds until[HT] flashes.
2. Press (C) 11 times.This causes [KEY♪] or [MUTE] to flash
onthe display.
3. Use (D) to select [KEY♪] or [MUTE].[KEY♪]: Operation tone
enabled.[MUTE]: Operation tone muted.
4. Press (A) to exit the setting screen.
Note
● Note that alarm and timer tones will stillsound even while the
operation tone ismuted.
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Configuring Power SavingFunction Settings
1. Hold down (A) for about two seconds until[HT] flashes.
2. Press (C) 14 times.This displays [POWER SAVING].
3. Press (D) to toggle the setting betweenenabled (on) and
disabled (off).[ON]: Power Saving enabled.[OFF]: Power Saving
disabled.
4. Press (A) to exit the setting screen.
Note
● For details about Power Saving, referto the information
below.l Power Saving Function
Returning the Watch to ItsFactory Default Settings
This section explains how to return the watchsettings below to
their initial factory defaults.● Watch Settings● Reminders● Alarm●
Stopwatch
1. Hold down (A) for about two seconds until[HT] flashes.
2. Press (C) twice.This causes the seconds to flash.
Seconds
3. Hold down (B) for about seven seconds.Hold down the button
until [ALL] stopsflashing on the display.
Moving to Another TimeZone
Use the procedure below to easily change dayand time settings of
the watch to a destinationlocation.
● Before Boarding
1. Configure the World Time to the currenttime at your
destination.
Destination time
Current time
l Using G-SHOCK Connected toConfigure Settings
l Using Watch Operations to ConfigureSettings
2. Disable auto time adjustment.
l Using the Watch in a Medical Facility orAircraft
● In the aircraft, before arriving at yourdestination
1. Swap the origin time zone time with thedestination time zone
time.
After swappingBefore swapping
Destination time
Destination time
l Using G-SHOCK Connected toConfigure Settings
l Using Watch Operations to ConfigureSettings
● After Arriving
1. Adjust the time setting.l Triggering Immediate Time
Adjustment
2. Enable auto time adjustment.l Using the Watch in a Medical
Facility or
Aircraft
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Other InformationThis section provides
non-operationalinformation you also need to know. Refer tothis
information as required.
City TableCity Offset
UTC CoordinatedUniversal Time 0
LONDON London 0PARIS Paris +1ATHENS Athens +2JEDDAH Jeddah
+3TEHRAN Tehran +3.5DUBAI Dubai +4KABUL Kabul +4.5KARACHI Karachi
+5DELHI Delhi +5.5KATHMANDU Kathmandu +5.75DHAKA Dhaka +6YANGON
Yangon +6.5BANGKOK Bangkok +7HONG KONG Hong Kong +8PYONGYANG
Pyongyang +8.5EUCLA Eucla +8.75TOKYO Tokyo +9ADELAIDE Adelaide
+9.5SYDNEY Sydney +10LORD HOWEISLAND
Lord HoweIsland +10.5
NOUMEA Noumea +11WELLINGTON Wellington +12CHATHAMISLANDS
ChathamIslands +12.75
NUKU'ALOFA Nuku’alofa +13KIRITIMATI Kiritimati +14BAKER ISLAND
Baker Island -12PAGO PAGO Pago Pago -11HONOLULU Honolulu
-10MARQUESASISLANDS
MarquesasIslands -9.5
ANCHORAGE Anchorage -9LOS ANGELES Los Angeles -8DENVER Denver
-7CHICAGO Chicago -6NEW YORK New York -5HALIFAX Halifax -4ST.
JOHN'S St. John’s -3.5RIO DE JANEIRO Rio de Janeiro -3
F. DE NORONHA Fernando deNoronha -2
PRAIA Praia -1
● The information in the above table is currentas of January
2018.
● Time zones may change and UTCdifferentials may become
different fromthose shown in the table above. If thishappens,
connect the watch with a phoneto update the watch with the latest
time zoneinformation.
Summer Time TableWhen [AUTO] is selected for a city thatobserves
summer time, switching betweenstandard time and summer time will
beperformed automatically at the timing shownin the table
below.
Note
● Summer time start and end dates foryour current location may
be differentfrom those shown below. If thishappens, you can have
new summertime information for your Home Cityand World Time city
sent to the watchby connecting the watch with a phone.If the watch
is not connected with aphone, you can change the summertime setting
manually.
City Name Summer TimeStartSummer Time
End
London 01:00, lastSunday in March02:00, lastSunday inOctober
Paris 02:00, lastSunday in March03:00, lastSunday inOctober
Athens 03:00, lastSunday in March04:00, lastSunday inOctober
Tehran 00:00, March 22or 2100:00,September 22 or21
Sydney,Adelaide
02:00, firstSunday inOctober
03:00, firstSunday in April
Lord HoweIsland
02:00, firstSunday inOctober
02:00, firstSunday in April
Wellington02:00, lastSunday inSeptember
03:00, firstSunday in April
ChathamIslands
02:45, lastSunday inSeptember
03:45, firstSunday in April
Anchorage 02:00, secondSunday in March02:00, firstSunday
inNovember
LosAngeles
02:00, secondSunday in March
02:00, firstSunday inNovember
Denver 02:00, secondSunday in March02:00, firstSunday
inNovember
Chicago 02:00, secondSunday in March02:00, firstSunday
inNovember
New York 02:00, secondSunday in March02:00, firstSunday
inNovember
Halifax 02:00, secondSunday in March02:00, firstSunday
inNovember
St. John’s 02:00, secondSunday in March02:00, firstSunday
inNovember
Rio deJaneiro
00:00, thirdSunday inOctober
00:00, thirdSunday inFebruary or00:00, fourthSunday
inFebruary
● The information in the above table is currentas of January
2018.
Operation Guide 3459/3461
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Supported PhonesFor information about phones that canconnect
with the watch, visit the
CASIOwebsite.https://world.casio.com/os_mobile/wat/
SpecificationsAccuracy at normal temperature :
±15 seconds per month average when timeadjustment by time
calibration signalreception or by communication with aphone is not
possible.
Timekeeping :Hour, minute, second, year, month, day,day of the
weeka.m./p.m.(P)/24-hour timekeepingFull Auto Calendar (2000 to
2099) ** Year display on setting screen only.
Signal Receive Functions :Auto receive, manual receiveAuto
summer time switchingAuto transmitter selection (for JJY,
MSF/DCF77)Receivable call signs:JJY (40 kHz/60 kHz), WWVB (60 kHz),
MSF(60 kHz), DCF77 (77.5 kHz), BPC (68.5kHz)OFF: Signal receive
disabled
World Time :Displays current time in 39 cities (39 timezones)
and for UTC, auto summer timesettingHome City/World Time City
swapping
Stopwatch :Measurement unit: 1/100 seconds (firsthour); 1 second
(after first hour)Measurement range: 23 hours, 59 minutes,59
seconds (24 hours)Measurement functions: Elapsed time, splittime,
two finishes
Alarm :Time alarms
Alarms: 5 (with one snooze alarm)Setting units: Hours,
minutesBeeper: 10 seconds
Hourly time signalBeeps every hour on the hour
Timer :Measuring unit: 1 secondCountdown range: 24 hoursSetting
unit: 1 secondTime up: 10-second beeper
Mobile Link :Auto Time Adjustment
Time setting adjusted automatically atpreset time.
One-touch Time CorrectionManual connection and time
adjustment
Phone finderWatch operation sounds the alert soundof the mobile
phone.
World TimeCurrent time for approximately 300 citiesselected for
the watchHome Time/World Time swappingOriginal city function
(location and namesettings)
Auto Summer Time SwitchingAutomatic switching between
standardtime and summer time.
Timer SettingsAlarm SettingsReminder
Reminds you of anniversaries and otherimportant dates.
Data Communication SpecificationsBluetooth®Frequency Band:
2400MHz to 2480MHzMaximum Transmission: 0 dBm (1 mW)Communication
range: Up to 2 meters(depends on environment)
Other :LED light, light duration setting, Full AutoLight, Power
Saving, Button operation toneon/off, Month/day order, Day of the
weeklanguage, Auto time adjustment on/off
Power Supply :Solar panel and one rechargeable batteryBattery
operating time: Approximately 10monthsConditions:
Not exposed to light under the conditionsbelow.Auto time
adjustment: 4 times/dayAlarm: Once (10 seconds)/dayIllumination:
Once (2 seconds)/dayPower Saving: 6 hours/day
Specifications are subject to change withoutnotice.
Mobile Link Precautions● Legal Precautions● This watch complies
with or has received
approval under the radio laws of variouscountries and
geographical areas. Usingthis watch in an area where it does
notcomply with or has not received approvalunder applicable radio
laws may be acriminal offense. For details, visit the
CASIOWebsite.https://world.casio.com/ce/BLE/
● Use of this watch inside of aircraft isrestricted under the
aviation laws of eachcountry. Be sure to follow the instructions
ofairline personnel.
● Precautions when using Mobile Link● When using this watch in
combination with
a phone, keep the watch and phone closeto each other. A range of
two meters isrecommended as a guideline, but the localenvironment
(walls, furniture, etc.), thestructure of a building, and other
factorsmay require a much closer range.
● This watch can be affected by other devices(electrical
devices, audio-visual equipment,office equipment, etc.) In
particular, it canbe affected by operation of a microwaveoven. The
watch may not be able tocommunicate normally with a phone if
amicrowave oven is operating nearby.Conversely, this watch may
cause noise inradio reception and the video image of a TV.
● Bluetooth of this watch uses the samefrequency band (2.4 GHz)
as wireless LANdevices, and use of such devices in closeproximity
of this watch may result in radiointerference, slower
communicationspeeds and noise for the watch and thewireless LAN
device, or evencommunication failure.
Operation Guide 3459/3461
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https://world.casio.com/os_mobile/wat/https://world.casio.com/ce/BLE/
-
● Stopping Radio Wave Emission by ThisWatch
The watch is emitting radio waves whenevere is flashing or
displayed.In addition, the watch also connects phoneautomatically
four times a day to adjust its timesetting.When in a hospital, on
an aircraft, or in anyother area where the use of radio waves is
notallowed, use the operation below to stop radiowave generation.●
Stopping Radio Wave GenerationPress any button to terminate the
Bluetoothconnection.
Connected After disconnection
● Disabling Auto Time AdjustmentConfigure G-SHOCK Connected
settings todisable time adjustment between the watchand phone.l
Using the Watch in a Medical Facility or
Aircraft
Copyrights and RegisteredCopyrights
● The Bluetooth® word mark and logos areregistered trademarks
owned by theBluetooth SIG, Inc. and any use of suchmarks by CASIO
Computer Co., Ltd. isunder license.
● iPhone and App Store are registeredtrademarks of Apple Inc. in
the UnitedStates and other countries.
● iOS is a trademark or registered trademarkof Cisco Systems,
Inc.
● GALAXY is a registered trademark ofSamsung Electronics Co.,
Ltd.
● Android and Google PlayTM are trademarksor registered
trademarks of Google LLC.
● Other company names and product namesused herein are
trademarks or registeredtrademarks of their respective
companies.
Troubleshooting
Signal Reception (TimeCalibration Signal)
Q1 The watch cannot perform a receiveoperation.
Is the watch’s battery charged?Signal reception is not possible
whilebattery power is low. Keep the watchexposed to light until it
rechargessufficiently.l Solar Charging
Is the watch in the Timekeeping Mode?Time signal receive is
performed onlywhile the watch is in the TimekeepingMode. Return to
the Timekeeping Mode.l Navigating Between Modes
Is your Home City setting correct for yourlocation?
The watch will not indicate the correct timeif the Home City
setting is wrong. Changeyour Home City setting so it
correctlyreflects your location.l Setting a Home Time City
Is the watch connected with a phone?Auto receive of signals by
the watch isdisabled while it is connected with aphone.l Time
Adjustment Using a Time Signal
After checking the above, the watch stillcannot perform a
receive operation.
Time calibration signal reception is notpossible under the
conditions describedbelow.● When watch is at Level 2 power saving●
Timer countdown operation in progressIf successful reception is not
possible forsome reason, you can adjust the time andday settings
manually.
Q2 The signal receive operation alwaysfails.
Is the watch in a location that is appropriatefor signal
reception?
Check your surroundings and move thewatch to a location where
signal receptionis better.l Appropriate Signal Reception
Location
Did you avoid touching the watch while thereceive operation was
in progress?
Minimize movement of the watch and donot perform any watch
operation while areceive operation is in progress.
Is there an alarm configured to soundduring the same period that
the signalreceive operation is performed?
Receive stops if an alarm operation startswhile it is being
performed. Disable thealarm.l Enabling/Disabling an Alarm or
the
Hourly Time Signal
Is the signal transmitter in your areatransmitting a signal?
The transmitter of the time calibration maynot be transmitting a
signal.Try again later.
Q3 Signal reception should have beensuccessful, but the watch’s
time and/or day is wrong.
Adjust time and day settings manually.l Using Watch Operations
to Adjust the Time
Setting
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I can’t pair the watch with aphone.
Q1 I’ve never been able to establish a(pairing) connection
between thewatch and phone.
Are you using a supported phone model?Check if the phone model
and itsoperating system are supported by thewatch.For information
about supported phonemodels, visit the CASIO
Website.https://world.casio.com/os_mobile/wat/
Did you install G-SHOCK Connected onyour phone?
G-SHOCK Connected needs to beinstalled on your phone in order
toconnect with the watch.lA Install the required app on your
phone.
Are your phone’s Bluetooth settingsconfigured correctly?
Configure the phone’s Bluetooth settings.For details about
setting procedures, seeyour phone documentation.iPhone Users●
“Settings” n “Bluetooth” n On● “Settings” n “Privacy” n
“Bluetooth
Sharing” n “G-SHOCK Connected” nOn
Android Users● Enable Bluetooth.
Other than the above.Some phones need to have BT Smartdisabled
to use G-SHOCK Connected.For details about setting procedures,
seeyour phone documentation.On the Home Screen, tap: “Menu”
n“Settings” n “Bluetooth” n “Menu” n“BT Smart settings” n
“Disable”.
I can’t reconnect the watchand phone.
Q1 The watch will not re-connect with thephone after they are
disconnected.
Is G-SHOCK Connected running?The watch cannot re-connect with
thephone unless G-SHOCK Connected isrunning on the phone. On the
phone’sHome Screen, tap the “G-SHOCKConnected” icon. Then on the
watch, holddown the MODE button (C) for about threeseconds.
Have you tried turning your phone off andthen back on again?
Turn the phone off and then back on, andthen tap the “G-SHOCK
Connected” icon.Next, on the watch, hold down the MODEbutton (C)
for about three seconds.
Q2 I can’t connect while my phone is inthe Airplane Mode.
Connection with the watch is not possiblewhile the phone is in
the Airplane Mode. Afterexiting the phone’s Airplane Mode, go to
itsHome Screen and tap the “G-SHOCKConnected” icon. Then on the
watch, holddown the MODE button (C) for about threeseconds.
Q3 I changed the phone’s Bluetoothfrom enabled to disabled, and
now Ican’t connect anymore.
On the phone, re-enable Bluetooth, and thengo to the Home Screen
and tap the “G-SHOCK Connected” icon. Next, on the watch,hold down
the MODE button (C) for aboutthree seconds.
Q4 I can’t connect after turning off thephone.
Turn on the phone and tap the “G-SHOCKConnected” icon. Then on
the watch, holddown the MODE button (C) for about threeseconds.
Phone-Watch Connection
Q1 I can’t establish a connectionbetween the phone and
watch.
Have you tried turning your phone off andthen back on again?
Turn the phone off and then back on, andthen tap the “G-SHOCK
Connected” icon.Next, on the watch, hold down the MODEbutton (C)
for about three seconds.
Has the watch been re-paired with thephone?
After deleting pairing information from G-SHOCK Connected,
re-pair them.l Unpairing
If you are unable to establish aconnection...
Use the procedure below to delete thepairing information from
the watch, andthen re-pair the watch and phone.A Hold down (A) for
at least two secondsuntil [HT] starts to flash.B Press (C) twice.C
Hold down (B) for at least threeseconds. Release the button when
[CLR]appears.
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https://world.casio.com/os_mobile/wat/
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Changing to a DifferentPhone Model
Q1 Connecting the current watch toanother phone.
Pair the watch with the phone.l If you purchase another
phone
Auto Time Adjustment byBluetooth Connection (TimeAdjustment)
Q1 When does the watch adjust its time?The watch will connect
with the phone andperform auto time adjustment at around 12:30a.m.,
6:30 a.m., 12:30 p.m. and 6:30 p.m. Theconnection is automatically
terminated afterauto time adjustment is complete. Also, timesignal
auto receive will be performed if therehas been no auto time
adjustment based onconnection between the watch and phone formore
than one day.
Q2 Auto time adjustment is notperformed at a scheduled time.
Is auto time adjustment not beingperformed according to its
normalschedule?
Note that auto time adjustment is notperformed for 24 hours
after swapping ofthe Home Time and World Time, or afterthe time
setting is adjusted manually onthe watch. Auto time adjustment
willresume 24 hours after either of the aboveoperations is
performed.
Is a timer countdown operation inprogress?
Auto time adjustment will not start at thescheduled times if a
timer countdownoperation is in progress. Stop the timercountdown
operation.l Timer
Is auto time adjustment enabled?Auto time adjustment will not
beperformed at the scheduled times unlessit is enabled. Enable auto
timeadjustment.l Using the Watch in a Medical Facility or
Aircraft
Q3 The watch does not connect with aphone and adjust its time
when Ipress (D).
The watch will not adjust its time if you press(D) while a timer
countdown operation is inprogress. Stop the timer countdown
operationand then press (D) again.
Q4 Time is not displayed correctly.The phone’s time setting may
be incorrectbecause it is unable to connect with itsnetwork due to
being out of range, etc. If thishappens, connect the phone to its
networkand then adjust the time setting.
Alarms
Q1 The alarm does not sound.
Is the watch’s battery charged?Keep the watch exposed to light
until itrecharges sufficiently.l Solar Charging
Is the alarm enabled?Enable the alarm.l Enabling/Disabling an
Alarm or the
Hourly Time Signal
Operation Guide 3459/3461
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Before Getting Started... IndicatorsNavigating Between
ModesSolar ChargingUseful Features
Time Adjustment Time Adjustment Using a Time Signal
OverviewAppropriate Signal Reception LocationTime Signal Reception
RangesAuto Time Signal ReceiveManual Time Signal ReceiveReceive
Level IndicatorSignal Reception Precautions
Using Watch Operations to Adjust the Time SettingUsing the Watch
in a Medical Facility or Aircraft
Using Mobile Link with a Mobile Phone Getting Ready 1 Install
the required app on your phone.2 Configure Bluetooth settings.3
Pair the watch with a phone.
Auto Time AdjustmentConfiguring Reminder SettingsConfiguring
World Time SettingsPhone FinderConfiguring Watch SettingsChanging
the Home City Summer Time SettingChecking the Watch Charge
LevelRecording Your Current Location (TIME & PLACE)Connection
Connecting with a PhoneDisconnecting from a PhoneUnpairingIf you
purchase another phone
Reminders Recording an Appointment or AnniversaryChecking
Reminder Notifications
World Time Checking World TimeWorld Time City SettingSwapping
Your Home City Time and World Time
Alarms and Hourly Time Signal Configuring Alarm
SettingsEnabling/Disabling an Alarm or the Hourly Time
SignalStopping an AlarmDetermining an Alarm’s On/Off Status
Stopwatch Measuring Elapsed TimeMeasuring a Split TimeTiming the
First and Second Place Finishers
Timer Setting the TimeUsing the Timer
Light Illuminating the Display ManuallyAuto LightConfiguring the
Auto Light SettingSpecifying the Illumination Duration
Other Settings Switching between 12-hour and 24-hour
TimekeepingChanging the Date Display FormatSpecifying the Day of
the Week LanguageEnabling the Button Operation ToneConfiguring
Power Saving Function SettingsReturning the Watch to Its Factory
Default Settings
Moving to Another Time ZoneOther Information City TableSummer
Time TableSupported PhonesSpecificationsMobile Link
PrecautionsCopyrights and Registered Copyrights
Troubleshooting