User Manual

42
GPSmile55
Hot Key
Press the [Hot key] to enter the “Volume” and ”LCD Brightness” screen.
1. Control the volume
directly with the
“speaker” icon. There
are four levels of
volume.
Select the “MUTE”
icon to mute the
Volume.
2. Control the LCD
Brightness with “light bulb” icon. There are four levels of brightness.
Select the “AUTO”
icon and the LCD
Brightness will be
kept as a standard
value.
Hot key