Garmin GPSmap 276C (Plus), 376C, 278, 378, 478, 296, 396 and 495/496
Secret Commands

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See the Map Page scales in a Garmin GPSmap 276C (Plus), 376C, 278, 378, 478, 296, 396 or 495/496 receiver.
See how to get HOME using a Garmin GPSmap 276C (Plus), 376C, 278, 378, 478, 296, 396 or 495/496 receiver.
See how to jump waypoints in an active route in a Garmin GPSmap 276C (Plus), 376C, 278, 378, 478, 296, 396 or 495/496 receiver.
See how to correct a wrong date in a Garmin GPSmap 276C (Plus), 376C, 278, 378, 478, 296, 396 or 495/496 receiver.
See Garmin's FAQ for a Garmin GPSmap 276C (Plus), 376C, 278, 378, 478, 296, 396 or 495/496 receiver.

See the right specifications of the Garmin GPSmap 276C (Plus) receiver.

There are some secret commands in the Garmin GPSmap 276C (Plus), 376C, 278, 378, 478, 296, 396 and 495/496 receivers:

Warning! The self test and user reset only have been verified!
Most of the information here was found in http://groups.yahoo.com/group/Garmin_GPSMAP_276C/message/195.
These commands are not mentioned in the GPSmap 276C Owner's Manual (Rev. E and older).

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A Garmin GPSmap 276C receiver was used to verify the above.

Written by Sigurd Humerfelt (12th January 2006, last updated 21st February 2011) (65).