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4. Computer
Use the serial port cable or USB serial cable for connecting the data
interface at the back of the phone with COM1 or COM2 of the computer for
data service. Turn off the switch then stick in or pull out serial port line.
5. Power on:
Turn the switch
beside the external power socket on the back
side of the phone to “O”, and then get started after self-test.
6. Power off:
Turn the switch
to “I”, then pull out the adapter from the socket.
2.6 Power supply
There are two ways of power supply:
1. Use the external power adapter.
2. Use the built-in spare battery of the phone.
When using the phone, please connect it with the external power
adapter.
With external power supply, the phone will automatically check elec-
tricity quantity of the battery and charge the built-in battery.
Use the built-in spare battery of the phone in case of power failure or
when there is no available power socket nearby.
If the electricity of the built-in battery will be used up, please connect
the external power adapter for charging in time. The screen will prompt
and the buzzer will beep.
Battery status LED
: While charging, the LED indicates red. If the
battery is full, the LED changes to green color.
Battery indicates
:
Standby time 22 hours + Talk time 2 hours in
Getting Started
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