3. Operation
3.1 Powering the Terminal On or Off
To power on
the terminal, press and hold the
key.
To power off the terminal, press and hold the
key, and
select
Power Off
.
3.2 Adjusting the Volume
To increase the volume, pr
ess + key.
To decrease the volume, press – key.
3.3 Turning the Screen On or Off
To turn off th
e screen when it is on, press the
SK
key.
To turn on the screen when it is off, press the
SK
key,
Emergency Alarm
key or any key on the keypad.
3.4 Using Flashlight
To turn the flashlight on or off when the screen is o
n
, press and hold the
key
.
3.5 Setting the Shortcut Key
SK
key is th
e prog
rammable key of the terminal. For enhanced convenience, you can go to
to
select
Programmable key
to set the key as the shortcut of
certain functions.