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(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
High power MOS FET amplifier with 10-step power reduction switch
Low noise superheterodyne, continuously scanning beam forming,
TVG, AGC, signal/processing, interference rejecter, horizontal vertical
beam switching.
180º (horizontal) x 6º to 11º (Vertical)
5º to 10º (horizontal) x 6º to 11º (Vertical)
0º (horizontal) to 90º (vertical), continuous.
NOTE: Beamwidth depends on transmitter frequency.
PPI display on 15 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) Horizontal slice combination
Own ship mark, heading mark, range rings, range/bearing mark,
trackball mark, event mark, net shooting mark, fish mark, estimate
mark,bearing scale, north mark*, ship's track*, current mark*, net
sonde mark*, target luck mark*
Sonar picture (range, tilt angle, gain)
Trackball mark data (slant range, horizontal range, depth, bearing)
Event mark data (horizontal 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* between turning on and off
of net shooting mark)
Setting change data (new setting appears in larger characters for 5
seconds when changed)
Current data *(current speed, direction, layer, depth)
Navigation data *(ship's speed, heading, water depth, water tempera
ture)
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