Garmin GVN 53 - Manual (Page 47)

GVN 53 Owner’s Manual 
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Advanced Screen Settings—these settings are intended
for installers only. If you inadvertently change these
settings, select Restore Defaults > Yes . You can also
press and hold the thumb Stick and the 8 key for 20
seconds. This will restore the default settings.
Serial Communication
This is intended for developers only. When
communicating serially with the unit, the gray (RX
In), purple (TX Out), and orange (Digital Gnd) wires
will be used. For more information about the serial
communication protocol, go to www.garmin.com/
products/GVN53 .
Viewing Information �About� Information �About�
Press Menu three times. Then select About .
Software—the unit’s software version, audio version,
and unit ID are listed.
Detail Maps—view information about the preloaded
detailed maps.
FM Traffic Receiver—if you have a FM traffic receiver,
you can view the FM traffic receiver’s unit ID.
XM—if you have an XM smart antenna, you can view
the XM antenna’s radio ID.
Restoring the Settings
To restore the navigation system to its original settings,
press Menu three times. Then select Restore Defaults >
Yes .