Sonar Setup; Setting The Zoom Level On The Sonar Screen - Garmin GPSMAP1222 Owner's Manual

Sonar Setup

NOTE: Not all options and settings apply to all models and transducers.
These settings apply to the following types of transducers.
• Traditional
• Garmin ClearVü
• SideVü
These settings do not apply to Panoptix transducers.
From a sonar view, select MENU > Sonar Setup.
Scroll Speed: Sets the rate at which the sonar scrolls from right to left
In shallow water, you can select a slower scroll speed to extend the length of time the information is
displayed on screen. In deeper water, you can select a faster scroll speed. Automatic scroll speed adjusts the
scrolling speed to the speed the boat is traveling.
Noise Reject: Reduces the interference and the amount of clutter shown on the sonar screen
Rejection Settings, page 83).
Appearance: Configures the appearance of the sonar screen
Alarms: Sets sonar alarms
Advanced: Configures various sonar display and data source settings
Installation: Configures the transducer

Setting the Zoom Level on the Sonar Screen

1 From a sonar view, select MENU > Zoom >
2 Select an option:
• To set the depth and zoom automatically, select Auto.
If necessary, select Set Zoom to modify the zoom setting. Select View Up or View Down to set the depth
range of the magnified area, and select Zoom In or Zoom Out to increase or decrease the magnification of
the magnified area.
• To set the depth range of the magnified area manually, select Manual.
If necessary, select Set Zoom to modify the zoom setting. Select View Up or View Down to set the depth
range of the magnified area, and select Zoom In or Zoom Out to increase or decrease the magnification of
the magnified area.
• To magnify one particular area of the screen, select Magnify.
If necessary, select Magnify to increase or decrease the magnification level.
TIP: You can drag the magnification box to a new location on the screen.
• To zoom in on the sonar data from the bottom depth, select Bottom Lock.
If necessary, select Span to adjust the depth and placement of the bottom lock area.
To cancel the zoom, deselect the Zoom option.
Sonar Fishfinder
(Sonar Alarms, page 84).
(Transducer Installation Settings,
> Mode.
(Setting the Scroll Speed,
(Sonar Appearance Settings,
(Advanced Sonar Settings,
page 85).
page 82).
(Sonar Noise
page 83).
page 85).
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