Garmin 620 Manuel D’Utilisation

Marine Mode: Advanced Configuration

Keel offset—offset the surface reading for the depth of a keel, 

making it possible to measure depth from the bottom of the keel 

instead of from the transducer location. Enter a positive number to 

offset for a keel. Enter a negative number to compensate for a large 

vessel that may draw several feet of water.

1.  From the Home screen, touch 

 > 

 > 

.

2.  Use the on-screen keyboard to specify the offset.

If you are measuring down to the keel (Intelliducer installed 

at the water line), enter a (+) positive number.
If you are measuring up to the water line (Intelliducer 

installed on the keel), enter a (-) negative number.

3.  Touch 

 to accept the number.

turn transition Distance—set how far before a turn in a route 

that you transition to the next leg.

From the Home screen, touch 

 > 

.

  Note: To configure AIS or DSC information for other boats, your 

unit must be connected to an external AIS or DSC device.

•

•

aiS—turn AIS on or off. AIS alerts you to area traffic by providing 

boat IDs, position, course, and speed for boats that are within range 

and equipped with a transponder.
DSC—turn DSC on or off.
aiS alarm (aiS only)—set an alarm to sound when other AIS-

equipped vessels are within a specified range. This is used for 

collision avoidance and can be customized.

range—change the measured radius of the Safe Zone ring to a 

specified distance from 500 ft. to 2.0 nm (or 150 m to 3 km, or 

500 ft. to 2.0 mi.).
time to (Safe Zone)—sounds an alarm if AIS determines that 

a target will intersect the Safe Zone within the defined time 

interval (ranging from 1 to 24 minutes).

  Note: Additional AIS and DSC configuration options are 

.

From the Navigation chart, touch 

.

Waypoint and tracks—access shortcuts to waypoint and track 

information. For more information on waypoints and tracks, 

see 

.