Garmin GPSMAP A12, Owner'S Manual

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RealVü 3D Forward Sonar View
This sonar view shows a three-dimensional view of what is in
front of the transducer. This view can be used when you are
stationary and you need to see the bottom and the fish
approaching the boat.
Color legend
Boat
Ping indicator
Fish
Bottom
Range
RealVü 3D Down Sonar View
This sonar view shows a three-dimensional view of what is
below the transducer and can be used when you are stationary
and want to see what is around your boat.
Color legend
Boat
Sonar beam
Range
Fish
Bottom
RealVü 3D Historical Sonar View
This sonar view provides a three-dimensional view of what is
behind your boat as you are moving and shows the entire water
column in 3D, from the bottom to the top of the water. This view
is used for finding fish.
Color legend
Boat
Range
Bottom
Structure
Fish
FrontVü Sonar View
The Panoptix FrontVü sonar view increases your situational
awareness by showing obstructions under the water, up to
91 meters (300 feet) in front of the boat.
The ability to effectively avoid forward collisions with FrontVü
sonar decreases as your speed rises above 8 knots.
To see the FrontVü sonar view, you must install and connect a
compatible transducer, such as a PS21 transducer. You may
need to update the transducer software.
Panoptix LiveScope
™
Sonar View
This sonar view shows a live view of what is in front of or below
the boat and can be used to see fish and structures.
Depth information
Suspended targets or fish
Bottom of the body of water
Selecting the Transducer Type
Before you can select the transducer type, you must know what
kind of transducer you have.
This chartplotter is compatible with a range of accessory
transducers, including the Garmin ClearVü
™
transducers, which
are available at www.garmin.com/transducers .
If you are connecting a transducer that was not included with the
chartplotter, you may need to set the transducer type to make
the sonar function properly.
1
From a sonar view, select Menu > Sonar Setup >
Installation > Transducer Models .
2
Select the transducer to change.
3
Select an option:
• If your transducer is listed, select it from the list.
• If you have a 200/77 kHz, dual-beam transducer, select
Dual Beam (200/77 kHz) .
• If you have a 200/50 kHz, dual-frequency transducer,
select Dual Freq (200/50 kHz) .
Sonar Fishfinder 25