Functions of electronic altimeter Display altitude -500 to +9999 m and vertical speed. Automatic correction of the altimeter "0". One button control, protection against accidental pressing. The transition into "sleep mode" after 14 hours. Function prevent reset altimeter if a long horizontal flight. Power - Li-Po battery with charging from the USB port. Warning low battery LB Shockproof and moisture-proof design of the device. Temperature - 20 to + 80 C, advanced to - 40C . Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3 The on-off Press and hold for at least 3 seconds when 8888, and release within 1 second to produce one short press, then will appear on the display"---- " make another short press. 3" 0.5" 0.5" Charging Lithium-polymer batteries Connect the device to a USB port or charger device, the charging process will start automatically at the end appears FULL. After extraction USB cord from the device, the altimeter automatically will turn off. Indication of charging is only with the device turned on. The average time of the full charge for 2 hours. Operating instructions ON Digital Skydiving Altimeter Digital skydiving altimeter "Skypoint" designed to control the altitude during skydiving. Technical characteristics of the device. Display liquid crystal, 4 digits. Barometric sensor BOSCH The error in measurement of 1 M. Operating temperature-20C +80C. Power lithium polymer battery 250mAh. The number of charge cycles - 300. Charging from the USB port or charger Indication of charging modes CHG - charge, FULL-charged. !!! ATTENTION !!! Parachuting is associated with risk to life, follow all instructions and warnings. When appears on the display LB-Charge the device Discharged Speed indication. 0.5" The display mode of the vertical velocity only works in active mode. Switching between the height and speed by briefly pressing the device button. The altimeter is an auxiliary device for altitude control. The manufacturer is not liable for any consequences arising from the use of the device. date of sale «Атмолаб» 2014 отзывы и претензии направляйте forum.atmogearlab.ru Manufacturer warranty 1 year from the date of implementation. Do not open or expose the device aggressive environments! In case of malfunction, please contact your dealer or the manufacturer. Сделано в России.