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Output
Frequency
(3) Transceiver
Transmitter
Receiver
(4) Beamwidth (-3 dB) and Tilt Angle
TX Beamwidth
RX Beamwidth
Tilt Angle
2. DISPLAY
(1) Picture Display
(2) Color
(3) Display Mode
(4) Display Marks
(5) Alphanumeric Data
SP-2
2 W
1.1 kHz with reverberation effect
High power MOS FET amplifier with 10-step power reduction
switch
Low noise superheterodyne, continuously scanning beam form-
ing, TVG, AGC, signal/processing, interference rejecter, hori-
zontal vertical beam switching.
360 (horizontal) x 12 (vertical)
11 (horizontal) x 12 (vertical)
-5 (upward) to 60 (downward), continuous.
NOTE: Beamwidth depends on transmitter frequency.
CSH-83: PPI display on 15 inch non-glare, high-resolution color
CRT
CSH-84: PPI display on 21 inch non-glare, high-resolution color
CRT
16 colors (sonar picture), 4 colors (marks)
a) Normal Mode (*with or without data display)
b) Off-center
c) Echo sounder combination (normal plus echo sounder)
d) Audio combination
e) Port/ starboard combination
f) Horizontal slice combination
g) Target slice
h) True motion*
Own ship mark, heading mark, range rings, range/bearing mark,
trackball mark, event mark, net shooting mark, fish mark, esti-
mate mark,bearing scale, north mark*, ship's track*, current
mark*, net sonde mark*, target lock mark*
Sonar picture (range, tilt angle, gain), Trackball mark data (slant
range, horizontal range, depth, bearing), Event mark data (hori-
zontal range, depth, first event-marked depth,bearing), Fish mark
data (distance moved*, direction* and speed* between two latest
fish marks), Estimate mark data (estimation of fish volume by
echo strength), Net shooting data (time and distance run* be-
tween turning on and off of net shooting mark), Setting change
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