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PERSONAL NAVIGATION DEVICE
5.1 Backlight
Tap the "Backlight" icon on the System menu and enter into the following interface.
A. Tap "-" to weaken the backlight, and tap "+" to stronger the backlight.
B. Under “Battery”, tap “<” or “>” button to select the duration of auto power o the bac-
klight.
C. Under “AC power”, tap “<” or “>” to select the duration of auto power o the backlight
when using AC adaptor.
5.2 System Info
Tap the "Sys Info" icon on the System Menu and enter into the following interface: