Maintenance

See also:

Cooling system
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Orientation of the map
The orientation of the map can be changed from North−up to Heading−up by touching the orientation symbol at the top left of the screen. Touch or . North−up screen Headin ...

Turning the Automatic Sound Levelizer (ASL) on/off
Turning the “TUNE/SEL” knob clockwise turns on the ASL, and turning the “TUNE/SEL” knob counterclockwise turns off the ASL. ASL automatically adjusts the volume and tone quality according t ...