Furuno CH-37BB, Operator'S Manual

Page: 36 / 71

3. VERTICAL FAN MODE
3-8
3.12 Net Mouth Marker
The net mouth marker is a tool use to help determine the best timing to raise the nets.
This can be achieved by displaying the net mouth marker with the fish echoes. The
net mouth marker is displayed as shown below.
How to display the net mouth marker
1. On sub-panel 2, press the MENU key to display the menu.
2. Using the

or

key, move the cursor to the top-most line of the menu.
3. Using the

or

key, select [DUAL] to display the [DUAL] menu.
4. Using the

or

key, select [NET DEPTH].
5. Using the

or

key, select [AUTO] or [MANUAL], as appropriate.
• [AUTO]: The net mouth marker depth is determined using NMEA depth input
(DBS).
• [MANUAL]: Use the NET MOUTH WIDTH and NET MOUTH HEIGHT settings
to input the net dimensions. See paragraph 3.12.1 for how to move the marker.
• [OFF]: Hide the net mouth marker
6. Press the MENU key to close the menu.
Fish school echo
Net mouth marker
Width Width Width
Height Height Height
Net depth Net depth Net depth
Net depth
12
8
40
AFT
40
80 R
FORE
40
D 175
34° 43.26N
135° 20.28E
80
MENU
SONAR 㪙㪦㪫㪫㪦㪤㪆㪊㪛 㪛㪬㪘㪣 㪜㪆㪪
DUAL MODE
NET MOUTH SHIFT
NET MOUTH WIDTH
NET MOUTH HEIGHT
NET DEPTH
HOR SCAN RATE
VERT SCAN RATE
:
:
:
:
:
:
:
:
E/S
0
100
30
AUTO
1
1
BOTTOM
MANUAL OFF
SONAR
EXIT: PRESS MENU KEY