System Alarms; Weather Alarms - Garmin GPSMAP 376C Owner's Manual

System Alarms

Clock—sets an alarm based on the unit's clock. Select On, and
then enter a specific time that you want the alarm to sound. The
GPSMAP 376C must be on for the clock alarm to work.
Ext. (External) Voltage—sets an alarm to sound when the external
voltage drops below a specified amount. Select On, and then enter a
specific voltage.
DGPS—sets an alarm to sound when the GPSMAP 376C loses a
differential fix.
Accuracy—sets an alarm to sound when GPS accuracy falls outside
of the user-set value. Select On, and then specify a distance.
GPSMAP 376C Owner's Manual
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Weather Alarms

Tornado Warnings—sets an alarm to sound when you enter an area
where a tornado warning is in effect.
Thunderstorm Warnings—sets an alarm to sound when you enter
an area where a severe thunderstorm warning is in effect.
Flood Warnings—sets an alarm to sound when you enter an area
where a flood warning is in effect.
Flash Flood Warnings—sets an alarm to sound when you enter an
area where a flash flood warning is in effect.
Marine Warnings—sets an alarm to sound when you enter an area
where a marine warning is in effect.
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