GPSMAP
®
6000/7000 Series Owner’s Manual
Sonar
Sonar
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.
Sonar Views
The chartplotter shows sonar data using three different views: a full-screen view, a split-zoom view,
and a split-frequency view.
Full-screen Sonar View
The full-screen sonar view shows a full-view graph of sonar readings from a 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
Sonar
>
Full Screen
.
Full-screen Sonar View
Suspended
target
Bottom
Depth, temperature,
and water speed
GPS speed and
GPS heading
Transducer
frequency
Range
Setting the Zoom Level on the Full-screen View
You can zoom in to a section of the full-screen sonar view.
1. From the Home screen, select
Sonar
>
Full Screen
>
Menu
>
Zoom
.
2. Complete an action:
Select
2x Zoom Auto Lock
to zoom in on the sonar data at two-times magnification.
Select
4x Zoom Auto Lock
to zoom in on the sonar data at four-times magnification.
Select
Adjustable Zoom
to set the depth range of the magnified area manually. Select
Up
or
Down
to set the depth range of the magnified area. Select
Zoom In
or
Zoom out
to increase
or decrease the magnification of the magnified area. Select
Done
.
Select
Bottom Lock
to zoom in on sonar data from the bottom depth, and select
Up
or
Down
to set the depth range of the magnified area. Select
Done
.
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