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4) Connect LED indicator to J13 on the TRS.A board as follows.
5) Connect receiving transducer or test cable to the display unit and the TX transducer,
see pages 5-2/5-3, in order to obtain the depth data on the display.
6) Connect the oil pressure device to pressure sensor of the transceiver unit.
!
Adjustment
Turn on the transmitter unit by rotating the screw of the pressure switch (test switch) to
clockwise(1.5 turn).
1. Offset and full scale adjustment
1) Set DIP switches S1 and S2 on the CONT B board as follows
S1
#1
#2
off
off
S2
#1
#2
off
off
DIP switch settings of "X" is as follows
TX frequency
50 KHz
40 KHz
33 KHz
2) Release pressuring (0 kgf/ cm
3) Adjust the R10 on sensor board so that the depth indication on the display unit shows
0m.
4) Set the oil device to 206 kgf/cm
5) Adjust the R11 so that the depth indication on display unit shows 500m.
TRS. A
01P5742
Figure 7.1 LED indicator circuit
#3
#4
#5 #6
off
off
X
#3
#4
off
ON
#5
#6
#7
on
off
on
on
on
off
on
off
off
2
)
2
J13
1
LED
2.7 k
5
#7
#8
X
X
off
7-2
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