Realvü Appearance Settings; Livescope And Perspective Sonar Menu - Garmin GPSMAP 84 Series Owner's Manual

RealVü Appearance Settings
From a RealVü sonar view, select Menu > Sonar Setup > Appearance.
Point Colors: Sets a different color palette for the sonar return points.
Bottom Colors: Sets the color scheme for the bottom.
Bottom Style: Sets the style for the bottom. When you are in deep water, you can select the Points option and
manually set the range to a shallower value.
Color Key: Shows a legend of the depths the colors represent.
On-screen Control: Shows or hides the on-screen buttons.

LiveScope and Perspective Sonar Menu

From the LiveScope or Perspective sonar view, select Menu.
Gain: Controls the level of detail and noise shown on the sonar screen.
If you want to see the highest intensity signal returns on the screen, you can lower the gain to remove lower
intensity returns and noise. If you want to see all return information, you can increase the gain to see more
information on the screen. Increasing the gain also increases noise, and can make it more difficult to
recognize actual returns.
Depth Range: Adjusts the range of the depth scale.
Allowing the device to adjust the range automatically keeps the bottom within the lower portion of the sonar
screen, and can be useful for tracking a bottom that has minimal or moderate terrain changes.
Manually adjusting the range enables you to view a specified range, which can be useful for tracking a
bottom that has large terrain changes, such as a drop-offs or cliffs. The bottom can appear on the screen as
long as it appears within the range you have set.
Available in LiveScope sonar view.
Forward Range: Adjusts the range of the forward scale.
Allowing the device to adjust the range automatically adjusts the forward scale in relation to the depth.
Manually adjusting the range enables you to view a specified range. The bottom can appear on the screen as
long as it appears within the range you have set.
Available in LiveScope sonar view.
Range: Adjust the range.
Allowing the device to adjust the range automatically keeps the bottom within the lower or outer third of the
sonar screen, and can be useful for tracking a bottom that has minimal or moderate terrain changes.
Manually adjusting the range enables you to view a specified range, which can be useful for tracking a
bottom that has large terrain changes, such as a drop-offs or cliffs. The bottom can appear on the screen as
long as it appears within the range you have set.
Available in Perspective sonar view.
Transmit: Stops the active transducer from transmitting.
Sonar Setup: Adjusts the setup of the transducer and the appearance of the sonar returns
Perspective Sonar Setup, page
Edit Overlays: Adjusts the data shown on the screen
86
87).
(Customizing the Data Overlays, page
(LiveScope and
15).
Sonar Fishfinder