Garmin GPSMAP 521/521s Owner's Manual - Page 62
Using Sonar, Understanding the Full Screen
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Using Sonar Using Sonar When connected to a transducer, the following chartplotters can be used as fishfinders: GPSMAP 421s GPSMAP 451s GPSMAP 521s GPSMAP 526s GPSMAP 551s GPSMAP 556s Understanding the Full Screen Select the Full Screen option to view a full-screen graph of the transducer's sonar readings. From the Home screen, select Sonar > Full Screen. Depth Temperature Speed Suspended targets Transducer frequency Full Screen Range 56 GPSMAP 400/500 Series Owner's Manual
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GPSMAP 400/500 Series Owner’s Manual
Using Sonar
Using Sonar
When connected to a transducer, the following chartplotters can be
used as fishfinders:
GPSMAP 421s
GPSMAP 451s
GPSMAP 521s
GPSMAP 526s
GPSMAP 551s
GPSMAP 556s
Understanding the Full Screen
Select the Full Screen option to view a full-screen graph of the
transducer’s sonar readings.
From the Home screen, select
Sonar
>
Full Screen
.
Transducer
frequency
Temperature
Speed
Depth
Range
Suspended
targets
Full Screen