User's Manual

14
3.4.1 Backlight
Tap the "Backlight" icon and enter into the following display.
A. Tap "-" to weaken the backlight, and tap "+" to stronger the backlight.
B. Under battery icon, tap “<” or “>” button to select the duration of auto power off the backlight.
C. Under AC power icon, tap “<” or “>” to select the duration of auto power off the backlight
when using AC adaptor.
3.4.2 System Info
Tap the "Sys Info" icon and enter into the following display.
A. Tap the icon “USB” to set the USB working mode.