Furuno CH-37 - Manual (Page 55)

3-11
Display of net hauling
This is an example of net hauling display. The location of the
net is indicated clearly. (Ship is stopped.)
Own ship Backward
FORE AFT
Net
Figure 3-13 Net hauling and sonar picture
False echo
In a shallow water (less than 100 m) detection, unwanted ech-
oes shown in the figure may appear. This phenomenon is
caused by the false echo from the previous transmission. Re-
ducing the Tx rate on the BOTTOM/3D menu may lessen this
effect.
Range
False echo
Bottom
Fish
Figure 3-14 False echoes
TIP! Training indicator and screen display.
PORT STBD
Starboard-port
AFT FORE
Fore-aft
FORE AFT
Aft-fore
¡ Shows starting position of the sounding beam.