Furuno FR-2125V - Manual (Page 60)

4-19
4.7 Connection of Rate-of-Turn Signal
Connection
1. Connect cable DPYC-1.25 or equivalent to the ROT device.
2. Raise the monitor and fix it with the stay. See page 1-5 for procedure.
3. Remove the INT board shield cover by loosening four screws.
4. Connect the DPYC-1.25 to J453 on the INT Board.
Checking operation
1. Turn on both the ROT device and the radar. Confirm that both the radar and the
ROT device are showing the same ROT indication.
2. If the indications are the same close the INT board shield cover and monitor. If
the indications are different do the following:
a) Adjust R151 on the INT Board so that R150 reads 0
±
0.1 V. Adjust R153 to
show the same indication as the ROT device.
b) Close the INT board shield cover. Retract the stay to lower the monitor.
INT BOARD
03P9252
MOTHER BOARD
03P9251
J453
PTU Board
Cover
J463
R153
R151
R150
Figure 4-18 Display unit, inside view