BenQ S670C - Manual (Page 169)

Menus 153
Contrast
Brightness
Press to adjust the brightness of the phone's display
backlighting. Press to confirm the setting.
Backlight Setting
You can turn the phone's keypad backlighting and display
backlighting on or off, as well as set the length of time that
backlighting will remain activated after the flip is opened or a key is
pressed. After turning backlighting on, you can scroll to the Time
Duration option and then press (Edit) to set this length of time.
When done, press .
OLED Duration
• Default: After the external display cycles through displays of the
time and animations, it will power off, and will only power on
again when you press the upper or lower part of the volume key
on the left side of the phone, or open and then close the flip (if
a new message is received or there is an incoming call, the external
display will also power on and then, after cycling through the
programmed items, power off once more).
• Cycle: After the external display cycles through displays of the
time and animations, it will power off. After 15 seconds, the
external display will automatically power on and again cycle
through the programmed items.
Press to adjust the contrast of the screen's
display. Press to confirm the setting.