Manual Sounder Operation; Picture Advance Speed; Automatic Sounder Operation - Furuno GD-1720C Operator's Manual

< SO U ND ER Op er ati on>
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(1) Soft keys
(2) Display mode
(3) Depth scale
(4) Elapsed time
(5) Variable Range Marker (white)
(6) Minute marker
(7) Zero line
(8) Icons (alarm, battery, simulation)
(9) Color bar
(10) Tempelature scale (orange)
(11) Water temperature graph
(12) Depth
(13) Tx frequency
(14) Bottom echo
(15) Fish echo
(16) Cross-hair cursor
Selecting a sounder mode
1. Press the DISPLY MODE soft key to
open the display mode window.
2. Press the cursor pad or ENTER knob to
choose a display.
3. Press the RETURN soft key to close the
window.

Automatic Sounder Operation

1. Press the AUTO/D.BOX soft key.
2. Press the cursor pad or ENTER knob to
choose CRUISING or FISHING.
3. Press the RETURN soft key.
PUB. NO. OSE-35550-A
(0503, HIMA) MODEL 1724C SERIES
This manual is printed with
soy ink.
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0'30"
SOUNDER
SINGLE
SHIFT
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50
AUTO/
D. BOX
FREQ
LF /HF
100
DISPLY
MODE
150
200
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Manual Sounder Operation

1. Press the AUTO/D.BOX soft key.
2. Choose OFF (MANUAL), and then press
the RETURN soft key.
Adjusting the gain
Press the GAIN key, and then rotate the
ENTER knob or press the cursor pad to ad-
just the gain.
Shifting the basic range
Press the SHIFT soft key, and then rotate
the ENTER knob to adjsut the shift range.
Reducing Low Level Noise
1. Press the MENU key and SOUNDER
MENU soft key in order.
2. Choose CLUTTER, then press the EDIT
soft key to open the clutter window.
3. Press the cursor pad upward or
download.
4. Press the RETURN soft key followed by
the MENU key to close the menu.

Picture Advance Speed

1. Press the MENU key and SOUNDER
MENU soft key in order.
2. Choose PICTURE ADVANCE, and then
press the EDIT soft key to open the
picture advance window.
3. Press the cursor pad to choose speed
desired.
4. Press the RETURN soft key followed by
the MENU key to close the menu.
Activating Sounder Alarms
1. Press the ALARM key to open the
ALARM menu.
2. Press the cursor pad to choose the
alarm among BOTTOM, TEMPERA-
TURE, FISH and FISH (B/L).
3. Press the EDIT soft key.
4. Choose ON (for TEMPERATURE,
WITHIN RANGE or OUT OF RANGE),
and then key in the alarm range.
5. Press the ENTER soft key (or ENTER
key) followed by the ALARM key to
close the menu.
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