56 GPSMAP 76 Owner’s Manual
MAIn Menu > setup Menu
Alarms Tab
The Alarms tab contains settings for Anchor Drag,
Approach and Arrival, Off Course, Shallow Water, and
Deep Water. These settings determine if and when a
warning beep is sounded and/or a message is displayed.
Anchor Drag—alerts you when the boat has drifted
more than the user dened distance. The alarm
continues until cleared by the user.
Approach and Arrival—alerts you when approaching
a turn or arriving at your destination. Automatic alerts
you between 15 and 90 seconds before depending
on your speed. Distance and Time alert you at the
specied distance or time.
Off Course—alerts you when you are off course more
than the user dened distance. The Off Course alarm
can be turned On or Off.
Shallow Water—requires input from a NMEA device
supplying the “DPT” sentence. The Shallow Water
alarm alerts you when the water depth is less than the
depth set. Deep Water—requires input form a NMEA
device supplying the “DPT” sentence. The Deep Water
Alarm alerts you when the water is deeper than the
depth set.
