iGPSPORT iGS20E - Acquiring Satellite Signals and Time Setting; Smart Backlight Function; Battery Specifications; Setting Time Zone

5. ACQUIRING SATELLITE SIGNALS AND TIME SETTING
Please make sure iGS20E is outdoor and under a clear view of the sky.
Usually it may take 5 to 120 seconds to locate satellite signals.
Remain stationary when acquiring satellite signals.
The time and date will be calibrated automatically after locate satellite signals.
6. SMART BACKLIGHT
iGS20E will automatically calculate the sunrise and sunset time based on the GPS position.
Backlight turns on before sunset and turns off after sunrise automatically.
When backlight is off, select any button to turn on backlight for 15 seconds.
7. BATTERY
Warning: Keep iGS20E far away from the fire.
Battery type
Rechargeable, built-in lithium-ion battery
Battery life
About 25 hours, typical usage
Operating temperature range
From -10 º to 50 ºC (14 º to 122 ºF )
Charging temperature range
From 0 º to 45 ºC (32 º to 113 ºF )
Input
DC5V, 500mA
Charging time
2.5 Hours
Note：
1) Please use DC 5V power adapter for charging.
2) As the temperature drops, the battery life will decrease.
3) iGS20E support charging during use.
4) Do not overstretch the USB plug for keeping waterproof and dustproof.
8. SETTING TIME ZONE
Default time zone: UTC/GMT+08:00.
Steps:
1) Hold right button more than 2 seconds to enter the setting mode.