Garmin 420 Manuale Proprietario

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 S

onar

If you are using a temperature-capable transducer, the Temp Log 

screen keeps a graphic log of temperature readings over time. The 

current temperature and depth are shown in the top-left corner.
From the Home screen, select 

 > 

.

The temperature appears along the right side and the time 

elapsed appears along the bottom. The graph scrolls to the left as 

information is received.

Use the Sonar Setup screen to define and adjust settings universal to

all sonar screens.
From the Home screen, select 

 > 

.

Color Scheme—choose white or blue. This affects the background 

on all sonar screens, but does not change the Temp Log screen.
Fish Symbols—set how the sonar interprets suspended targets.

The unit does not interpret the sonar return data  

(default).

Suspended targets appear as symbols. Background sonar 

information appears, making the distinction between fish

and structure easier.
Suspended targets appear as symbols with background 

information shown. The target depth of each symbol is also 

indicated.
Suspended targets appear as symbols. No background 

information appears.
Suspended targets appear as symbols with no background 

information shown. The target depth of each symbol is 

indicated.