User Manual

19Settings
Change System Settings
You can customize the device system setting such as backlight off, key tone, sound, time/
unit, on-screen display language.
Backlight off
Backlight Off
Auto
1. In the Settings menu, press and then press
to select General.
2. Press
to enter System.
3. Press
to enter Backlight Off.
4. Press
to select desired setting and press
to confirm.
5. Press
to exit this menu.
Key Tone
Key Tone
On
1. In the Settings menu, press and then press
to select General.
2. Press
to enter System.
3. Press
to select Key Tone and press to
confirm.
4. Press
to exit this menu.