1
CH-300
DUAL-FREQUENCY
SEARCHLIGHT SONAR
Operator’s Guide
The purpose of this guide is to provide the basic operating procedures for this equipment. For
more detailed information, see the Operator’s Manual.
SECTOR TRAIN
RANGE
TILT
FULL
HALF
FAST
SCAN
TARGET BRILL
MENU
R/B
EVENT
CUSTOM MODE
POWER
XDR
REVERSE
LF
HF
MAIN
SUB
MIX
DISPLAY MODE
GAIN(PUSH)
1
2
3
4
5
7 8 9
10
11
6
12
13
14
15
16
17
18
DISPLAY MODE
LF
HF
MAIN
SUB
MIX
19 20 21 22
23
24
25 26
(1) Turns the power on/off.
(2) Raises the transducer.
(3) Adjusts receiver sensitivity.
(4) Selects width of training sector.
(5) Selects center bearing of training sector
(6) Selects detection range.
(7) Selects training speed (horizontal mode),
train center (vertical scan), picture advance-
ment speed (echo sounder).
(8) Reverses scanning direction.
(9) Controls tilt angle; selects center direction
of the vertical scanning sonar.
(10)Adjusts display brilliance and panel dim-
mer.
(11)Shifts cursor; selects menu items, options.
(12)Lowers the transducer.
(13)Switches the training sector to 360° (hori-
zontal mode) or 180° (vertical scan).
(14)Provide short cut key or one-touch setup.
(15)Turns target lock on/off.
(16)Inscribes/erases range and bearing mark-
ers.
(17)Inscribes/erases event markers.
(18)Opens/closes menu.
(19)Horizontal combination mode key
(20)Low freq./high freq. selection
(21)Turns the mix display on/off.
(22)Switches control between main and sub
windows alternately.
(23)Horizontal mode key
(24)Horizontal expansion mode key
(25)Vertical scan mode key
(26)Echo sounder mode key
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