Garmin gpsmap 292 Manuale Utente

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Zoom—sets a screen zoom scale. The following settings are 

available: 

•  Off—turns off the Zoom function.
•  2x Zoom––displays only the 2x zoomed picture on the full 

screen.

•  4x Zoom––displays only the 4x zoomed picture on the full 

screen.

•  Btm (Bottom) Lock––displays only the Bottom Lock 

(returns from the bottom up) picture on the full screen.

Zoom View—available when you select a Zoom scale other than 

Off. You can use the Zoom View setting to change the viewing 

range of a zoomed display. 

Auto follows the water bottom. If the 

display is Bottom Lock, the Span setting adjusts how far off the 

bottom the unit shows data.

Tools—controls the display of useful sonar tools. The following 

options are available:

•  A-scope—when you turn on A-scope, a vertical flasher 

bar appears on the far-right side of the screen. This flasher 

displays structure and bottom returns much the same as the 

Flasher Page. The horizontal width of the A-scope signal 

indicates the strength of the signal. 

•  Color Bar—shows a gradient scale of the current Color 

Gain setting (see

 page 74

•  Temperature Graph—appears only if you have a 

temperature-capable transducer. This setting toggles on or 

off the display of a temperature graph on the bottom of the 

Sonar Page, and it matches the scrolling data.

Split When Zoomed—turns this option on or off. If you turn on 

Zoom, then this setting splits the screen. 
Swap Split—available on a split Sonar Page when you are using 

dual frequency. This switches on which side the frequencies appear.