Receiver Sensitivity (Gain) Adjustment; Selecting Bottom-Lock Expansion Width; Stopping Transmission - Furuno GP-1610CF Operator's Manual

SNDR SETUP
EXP MARKER
GAIN ADJ
50k
200k
BTM-LOCK
TRANSMIT
: Cursor
ESC: Esc
Figure 3-20 Sounder setup menu
4. Operate the Cursor Pad to select EXP
MARKER.
5. Operate the Cursor Pad to select ON or
OFF.
6. Press the MENU key.
3.21 Receiver Sensitivity (gain)
Adjustment
If the gain effect is too low or too high, it may
be offset as follows:
1. Press the MENU key.
2. Press the [0] key to select SYSTEM
MENU.
3. Press the [3] key to display the
SOUNDER SETUP menu.
4. Operate the Cursor Pad to select 50k.
5. Press t or s to adjust level.
6. Operate the Cursor Pad to select 200k.
7. Press t or s to adjust level.
8. Press the MENU key.
ON OFF
(-20~+20)
+00
+00
NARROW WIDE
ON OFF
3.22 Selecting Bottom-Lock
Expansion Width
The expansion width for the bottom-lock dis-
play can be selected to narrow (5 meters) or
wide (10 meters) as follows:
1. Press the MENU key.
2. Press the [0] key to select SYSTEM
MENU.
3. Press the [3] key to display the
SOUNDER SETUP menu.
4. Operate the Cursor Pad to select BTM-
LOCK.
5. Operate the Cursor Pad to select NAR-
ROW or WIDE.
6. Press the MENU key.

3.23 Stopping Transmission

You may disable transmission as follows:
1. Press the MENU key.
2. Press the [0] key to select SYSTEM
MENU.
3. Press the [3] key to display the
SOUNDER SETUP menu.
4. Operate the Cursor Pad to select TRANS-
MIT.
5. Operate the Cursor Pad to select OFF.
6. Press the MENU key.
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