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Manual Sounder
Operation
1. On the normal or dual-frequency display,
press the soft key MODE/FREQ. When the
plotter/sounder display is displayed, press the
soft key SNDR, and then press the soft key
MODE/FREQ.
2. Select MANUAL.
3. Press the soft key RETURN.
Adjusting the gain
Press the soft key GAIN, and then press ▲ or
▼ to set the gain.
Selecting range
Press the soft key RANGE, and then press ▲
or ▼ to select range.
Shifting the basic range
Press the soft key SHIFT, and then press ▲ or
▼ to shift the basic range.
Suppressing Interference
1. Press the [MENU] key, and then press the
soft key SOUNDER SETUP OPTIONS to
open the sounder setup menu.
DGPS 3D
SOUNDER
SETUP
NOISE LIMITER
CLUTTER
WHITE MARKER
HUE
SIGNAL LEVEL
PICTURE ADVANCE
EDIT
HOLD
EDIT
RANGE
SETUP
SYSTEM
SETUP
RETURN
OFF
4
0
1
OFF
1/1
s
2. Press ▲ or ▼ to select NOISE LIMITER.
3. Press the soft key EDIT.
3. Press ▲ or ▼ to select NL1, NL2 or NL3.
4. Press the soft key RETURN.
Suppressing Low Level
Noise
1. Press the [MENU] key, and then press the
soft key SOUNDER SETUP OPTIONS to
show the sounder setup menu.
2. Press ▲ or ▼ to select CLUTTER.
3. Press the soft key EDIT.
4. Press ▲ or ▼ to select clutter rejection level.
5. Press the soft key RETURN.
Selecting Picture Advance
Speed
1. Press the [MENU] key, and then press the
soft key SOUNDER SETUP OPTIONS to
show the sounder setup menu.
2. Press ▲ or ▼ to select PICTURE ADVANCE.
3. Press the soft key EDIT.
4. Press ▲ or ▼ to select speed.
5. Press the soft key RETURN.
Activating Sounder Alarms
1. Press the [ALARM] key, and then press the
soft key NEXT PAGE to show the alarm 2
menu.
DGPS 3D
ALARM2
EDIT
CLEAR
ALARM
ALARM INFORMATION
BOTTOM ALARM
FISH (B/L) ALARM
FISH (NORMAL)
TEMP. ALARM
OFF
OFF
OFF
OFF
NO ALARM
RETURN
s
2. Press ▲ or ▼ to select the alarm among
BOTTOM, FISH (B/L), FISH (NORMAL) and
TEMP. (temperature).
3. Press the soft key EDIT.
4. Press ▲ or ▼ to select on, and then key in
the range to set.
5. Press the soft key ENTER.
PUB.NO.OSE-43950-D
(0005,TATA) GP-1850F/1850DF
4