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22 GPSMAP 78 Series Owner’s Manual
Main Menu Features and Settings
• —sets an audible
alarm. If you are not currently using
the device, you can set the device to
turn on at a specic time.
• —displays the
predicted best dates and times for
hunting and shing at your current
location.
• —allows you to use a
timer, mark a lap, and time laps.
• —allows you
to rene a waypoint location with
multiple samples to achieve the
most-accurate location possible.