Garmin GPSMAP 12X3, Owner'S Manual

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Renaming a Sonar Source
You can rename a sonar source to easily identify that source. For example, you use "Bow" as the name of the
transducer on the bow of your boat.
To rename a source, you must be in the applicable sonar view for the source. For example, to rename the
Garmin ClearVü sonar source, you must open the Garmin ClearVü sonar view.
1 From the sonar view, select Options > Sonar Setup > Source > Rename Sources.
2 Enter the name.
Creating a Waypoint on the Sonar Screen
1 From a sonar view, drag the screen or select .
2 Select a location.
3 Select
.
4 If necessary, edit the waypoint information.
Pausing the Sonar Display
From a sonar view, select .
Viewing Sonar History
You can scroll the sonar display to view historical sonar data.
NOTE: Not all transducers save historical sonar data.
1 From a sonar view, drag the screen to the right.
2 Select Back to exit history.
Sonar Sharing
You can view the sonar data from all compatible sources on the Garmin Marine Network. You can view sonar
data from a compatible external sonar module, such as a GCV
™
sonar module. In addition, you can view the
sonar data from other chartplotters that have a built-in sonar module.
Each chartplotter on the network can display sonar data from every compatible sonar module and transducer on
the network, no matter where the chartplotters and transducers are mounted on your boat. For example, from
one GPSMAP 923 device mounted at the back of the boat, you can view the sonar data from another GPSMAP
device and Garmin ClearVü transducer mounted at the front of your boat.
When sharing sonar data, the values of some sonar settings, such as Range and Gain, are synchronized across
the devices on the network. The values of other sonar settings, such as the Appearance settings, are not
synchronized and should be configured on each individual device. In addition, the scroll rates of the various
traditional and Garmin ClearVü sonar views are synchronized to make the split views more cohesive.
NOTE: Using multiple transducers simultaneously can create cross talk, which can be removed by adjusting the
Interference sonar setting.
Sonar Fishfinder 79