ction key to switch the LCD
backlight level from Level 1,Level2,
Level3, Level4, Level5
Press
Action key to exit and return to
Function test menu.
Vibrator Test
20. Press Action key to select Vibrator
Test on Function test menu.
21. Press Action key to exit and return
to Function t
est menu.
Key Test
22. Press Action key to select Button
Test
on Function test menu.
23. Follow the instruction on screen to
perform the Key/Button test
(Power, Volume up, Volume down,
Key action, Key left, Key up, Key
right, Key down).
The screen will return to Function
test menu after the test is finished.