Furuno FAR-2807 - Manual (Page 13)

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3. OTHER FUNCTIONS
3.1 Echo Display Area
Three types of echo display areas are available: circle, wide and all. "All" uses the
entire screen, which allows you to view long-range targets.
1. Left-click the MENU box at the right side of the screen.
2. Select 1 [ECHO] then push the left button to show the ECHO menu.
3. Select 7 ECHO AREA then push the left button.
4. Select CIRCLE, WIDE or ALL as applicable, referring to the illustration above.
5. Push the right button twice to close the menu.
CIRCLE WIDE ALL
: Echo display area
[ECHO]
1 BACK
2 2
ND
ECHO REJ
OFF/ON
3 TUNE INITIALIZE
4 PM*
1
OFF/ON
5 SART
OFF/ON
6 WIPER
OFF/1/2
7 ECHO AREA
CIRCLE/WIDE/ALL * 1 Not available on FAR-2157/2167DS
8 [PICTURE SELECT]