Furuno CH-270 SONAR User Manual


 
5. MENU OPERATION
5-7
Activating a short-cut key
1. Press a CUSTOM MODE key, and the dialog box programmed for the custom key
pressed appears. (No dialog box appears for VER. SEARCH.) The dialog box below
is for “CLUTTER”.
CLUTTER (HORZ): 0 1 2 3
Note: Vertical search can only be activated when the horizontal mode or a
combination mode is active.
2. Press or to choose option desired.
3. Press the [MENU] key to close the dialog box.
When you find a target of interest on the horizontal display, simply press the
function key programmed for VER. SEARCH to get a cross-sectional view of
the vertical plane. This mode is useful for evaluating fish school concentration
and location of the targeted fish school or for navigation purposes.
VERTICAL SEARCH FUNCTION
The vertical search picture is drawn using the following specifications:
- Horizontal range: Same as set on horizontal mode
- Vertical range: Same as set on horizontal mode
- Train marker: Train angle at the moment function key is turned on
- Vertical scan display range: 0-90 degrees (own ship position shifted leftward)
Fish
School