Furuno CH-37 - Manual (Page 54)

3-10
Port-starboard picture (bottom)
You can see fish echoes at the center-right of the CRT. The
bottom is displayed wider as the distance from the ship’s posi-
tion increases. Therefore, it may be difficult to discriminate bot-
tom fish.
Own ship
Fish
school
Bottom
PORT STBD
Figure 3-11 Port-starboard picture
When ship passes over fish schools
The sounding beam is directed fore-aft and the display is off-
centered* to present a wider view of the area forward of the
ship. You can clearly see fish schools approaching from the
bow of the ship.
*: Automatically shifted according to the operation control set-
tings.
Forward Own ship
Fish school
FORE AFT
FORE AFT
Fish
school
Figure 3-12 Picture appearance when passing over fish schools