Downvü Sonar View; Sidevü Sonar View; Split-Screen Sonar Views; Split-Zoom Sonar View - Garmin echoMAP CHIRP 45 Series Owner's Manual

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depending on the equipment connected.
The full-screen Traditional sonar view show
a large image of the sonar readings from a
transducer. The range scale along the right
side of the screen shows the depth of de-
tected objects as the screen scrolls from the
right to the left.
1
Depth information
2
Suspended targets or fish
3
Bottom of the body of water
DownVü Sonar View
NOTE: Not all models support DownVü so-
nar technology and transducers.
NOTE: To receive DownVü scanning sonar,
you need a compatible chartplotter or fish-
finder and a compatible transducer.
DownVü high-frequency sonar provides a
clearer picture below the boat, providing a
more detailed representation of structures
the boat is passing over.
Traditional transducers emit a conical beam.
The DownVü scanning sonar technology
emits a narrow beam, similar to the shape of
the beam in a copying machine. This beam
provides a clearer, picture-like image of what
is beneath the boat.
SideVü Sonar View
NOTE: Not all models support SideVü sonar
and scanning transducers.
SideVü scanning sonar technology shows
you a picture of what lies to the sides of the
boat. You can use this as a search tool to
find structures and fish.
28
1
Left side of the boat
2
Right side of the boat
3
The transducer on your vessel
4
Trees
5
Old tires
6
Logs
7
Distance from the side of the boat
SideVü/DownVü Scanning Technology
Instead of a more common conical beam, the
SideVü/DownVü transducer uses a flat beam
to scan the water and ground to the sides of
your boat.

Split-Screen Sonar Views

The split-screen sonar views enable you to
view different combinations of sonar data
simultaneously. For example, you can view
traditional sonar and DownVü sonar views in
one screen. You can edit the layout of a split-
screen sonar view to resize the window and
rearrange the data.
The scroll rates of the traditional and Down-
Vü sonar views are synchronized to make
the split-screen views easier to read.

Split-Zoom Sonar View

The split-zoom sonar view shows a full-view
graph of sonar readings, and a magnified
portion of that graph, on the same screen.

Split-Frequency Sonar View

In the split-frequency sonar view, one side
of the screen shows a full-view graph of high
frequency sonar data, and the other side of
the screen shows a full-view graph of lower
frequency sonar data.
NOTE: The split-frequency sonar view
requires the use of a dual-frequency trans-
ducer.
Introduction

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