Garmin GPSMAP 620 - Alarms and Boat Configuration; Configuring Alarm Settings; Configuring My Boat Settings

GPSMAP 620 Owner’s Manual 35
Marine Mode: Advanced Conguration
Type—set the alarm to sound either at the Destination Only
or at the Destination and Turns (when navigating a route with
turns).
Activation
—set the criteria for the alarm. The Distance setting
sounds the alarm when you are a specied distance from the
point. The Time setting sounds the alarm when you are a
specied time from the point.
Change Distance/Change Time
—specify the distance or time
from the point at which the alarm will sound.
Anchor Drag
—set an alarm to sound when you drift a specied
distance from your current location.
Off Course
—set an alarm to sound when you steer a specied
distance from your current course.
Setting System Alarms
From the Home screen, touch Congure > Alarms > System.
Clock—set an alarm using the system (GPS) clock. The unit must
be on for the clock alarm to work.
GPS Accuracy
—set an alarm to sound when the GPS location
accuracy falls outside the specied value.
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Setting Sonar Alarms
From the Home screen, touch Congure > Alarms > Sonar.
NOTE: You must connect an optional sonar module and a
transducer using NMEA 0183 to receive sonar information.
Shallow Water/Deep Water—set an alarm to sound when the
depth is less than or greater than the specied value.
Water Temp
—set an alarm to sound when the transducer reports
a temperature that is 2°F (1.1°C) above or below the specied
temperature.
Conguring My Boat
From the Home screen, touch Congure > My Boat.
Auto Guidance—
select the Auto Guidance parameters for your
boat.
Safe Depth—set the minimum depth (using chart depth
datum) to allow when calculating an auto-guidance path. A safe
depth of less than one meter is not allowed when using Auto
Guidance.
Safe Height—set the minimum height (using chart height
datum) of a bridge that your boat can safely travel under.
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