Garmin 550C Manual Do Utilizador

Using the echo

The Full Screen page, the Split Zoom page, the Split Frequency page, 

and the Flasher page are a visual representation of the area beneath your 

boat. These sonar views can be customized as indicated in the following 

paragraphs.

Before you can adjust the range of the depth scale, you must open the Full 

), the Split Frequency 

page (

You can adjust the range of the depth scale that appears on the right side of 

the Full Screen page, the Split Zoom page, and the Split Frequency page, 

and the inside of the flasher. This setting determines how deep the sonar will 

search for targets.
1.  Select MENU > Range.
2.  Select an option:

•  To allow the device to adjust the range automatically based on the 

depth, select Auto.

•  To increase or decrease the range of the depth scale manually, select 

Manual, select   or  , then select ENTER.

When you set the range on one page, that setting is applied to the other 

pages.

You can adjust the zoom of the Full Screen page, the Split Zoom page, and 

the Split Frequency page manually, or you can allow the device to adjust the 

zoom automatically.
Adjust the zoom manually by selecting the span (amount of sonar data that 

will be displayed in the zoomed window) and selecting a fixed starting 

depth. For example, if you select a span of 15 meters and a starting depth 

of 5 meters, the device will display an area from 5 meters deep to 20 meters 

deep.
When you adjust the zoom automatically, the span is the area that will be 

displayed on the screen from the contour of the bottom of the water. For 

example, if you select a span of 10 meters, the device will display an area 

from the bottom of the water to 10 meters above the bottom.

Before you can adjust the zoom manually, you must open the Full Screen 

), or the Split Frequency page 

).

When you set the span of the zoom on one page, the other pages are not 

affected.
1.  Select MENU > Zoom > Manual Zoom > Span.
2.  Select the span you would like to show.
3.  Select Depth.
4.  Select   or  , to adjust the viewing window.
5.  Select ENTER > Done.