Using Sonar; Understanding The Full Screen; Understanding The Split Zoom Screen - Garmin GPSMAP 4010 Owner's Manual

When connected to an optional Garmin GSD 22 sounder module and a transducer, your chartplotter
can be used as a fishfinder. The GSD 22 connects through the Garmin Marine Network and shares
sonar data with every chartplotter connected to the network.

Understanding the Full Screen

Full Screen
Select the option to view a full-screen graph of the sonar readings from the transducer.
The range scale along the right side of the screen shows the depth of detected objects as the screen
scrolls from the right to the left.
From the Home screen, select
Depth, temperature,
and water speed
Suspended
target
Bottom
GPS speed and
GPS heading
Transducer
frequency

Understanding the Split Zoom Screen

Use the Split Zoom screen to view the full sonar data from the graph and a zoomed-in portion on the
same screen.
From the Home screen, select
Depth, temperature,
and water speed
Zoomed depth
scale
GPS speed and
GPS heading
Zoom level
Transducer frequency
GPSMAP 4000/5000 Series Owner's Manual
®

Using Sonar

Sonar > Full Screen.
Sonar > Split Zoom.
Using Sonar
Range
Zoom
Range
window
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