Selecting A Display - Furuno CH-250 Operator's Manual

1.6

Selecting a Display

This sonar has eight display modes and you may select one with one of the DISPLAY MODE
keys. Refer to the chapter shown in the illustration for more information about each mode.
Key
This mode provides 360 degree coverage.
Useful for general search. (Chapter 2)
VERTICAL FAN
Vertical section of underwater conditions
appears on the entire screen. (Chapter 3)
HORIZONTAL/HISTORY
The horizontal picture appears in the main
window; the history picture in the sub
window. Useful for showing history of fish
movement, distribution. (Chapter 2)
HORIZONTAL/VERTICAL FAN
The horizontal picture appears in the main
window; the vertical fan picture in the sub
window. (Chapter 3)
1-6
Picture
NAV
DATA
HORIZONTAL
NAV
DATA
NAV DATA
NAV DATA
Picture
Key
EXPANDED HORIZONTAL
Zoomed horizontal picture appears over
the entire screen. (Chapter 2)
Water temp/depth
ECHO SOUNDER
Using a fixed spot beam this display
shows fish echoes below or around the
vessel. (Chapter 4)
HORIZONTAL/VIDEO PLOTTER
The horizontal picture appears in the main
window and the video plotter picture, which
traces ship's track, in the sub window.
(Chapter 2)
HORIZONTAL/STRATA
The horizontal picture appears in the main
window; the strata picture in the sub window.
The strata picture shows bottom undulatons
in different colors. It is useful in bottom
trawling to avoid projections. (Chapter 2)
NAV
DATA
NAV
DATA
or
A-SCOPE
DISPLAY
NAV DATA
NAV DATA
Figure 1-4
Display modes