Peiying Alien PY-GPS5003, User Manual

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Click Settings icon to enter “system setting” menu, then you can set the
relevant functions. There are backlights, volume, languages, Volume,
Language, GPS information, Time, Calibration, System info, Default, and
NaviPath.
4.7 System setting Interface and operation
Backlight Adjust the screen backlight;
Backlight turn off time interval under
self power supply Backlight turn off
time interval under external power
supply
Volume Adjust the volume;
Turn on / off “screen click tone”
Language Select the language for the system;
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ALIEN
PY-GPS5003