Garmin 620 Manuale Utente

Marine Mode: Advanced Configuration

Save to Card—only use this option if instructed to do so by a 

Garmin Product Support Specialist.

Speed Sources—specify the sensor used for Wind numbers. Touch 

 to toggle between Water (from a water speed sensor) and 

GPS (from the calculated GPS speed).
usage Mode—change to automotive mode.

From the Home screen, touch 

 > 

.

System units—specify system-wide units of measure: 

 

(mh, ft, ºF), 

 (kh, m, ºC), 

 (kt, ft, ºF), or 

. 

Touch 

 to individually define units of measure for:

Depth—set the units of measure for depth to 

, 

, or 

. 

temperature—set units of measure for temperature to 

 or 

.

  Note: You must be receiving NMEA sonar depth data or using a 

Garmin sounder module to view depth and temperature information.

Distance—set the units of measure for distance readings (

, 

, or 

).

Speed—set the units of measure for 

 and for 

readings (

, 

, or 

).

elevation—set the units of measure for elevation readings 

(

 or 

).

atmospheric pressure—set the units of measure for 

atmospheric (

 or 

) pressure 

readings.

Heading—set the reference used in calculating heading 

information.

auto Mag Var (Automatic Magnetic Variation)—automatically 

set the magnetic declination for your location.
true—set true north as the heading reference.
grid—set grid north as the heading reference (000º).
user Mag Var—set a custom magnetic variation value.

position Format—select the coordinate system in which a given 

location reading appears. Do not change the position format unless 

you are using a map or chart that specifies a different position 

format.
Map Datum—select the coordinate system in which the map is 

structured. The default setting is WGS 84. Do not change the map 

datum unless you are using a map or chart that specifies a different 

position format.

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