Simrad GC80/GC85 Dual Gyro Compass
116 20221537 / D
JUMPER DEFAULT FUNCTION DESCRIPTION
J42 3-4 short
Alarm contact output
for Control panel
(or Change Over
panel)
Output port: DTERM board.
TB21D: " MALCN"
1-2 short = Alarm "CLOSES"
Normal "OPEN"
3-4 short = Alarm "OPEN"
Normal "CLOSES"
NOTE:
Never use both
jumpers at the same
time!
J43 1-2 short
Running contact output
for Control panel
(or Change Over
panel)
Output port: DTERM board.
TB21D: " MRNCN"
1-2 short = Alarm "CLOSES"
Normal "OPEN"
3-4 short = Alarm "OPEN"
Normal "CLOSES"
NOTE:
Never use both
jumpers at the same
time!
J44 3-4 short
Difference alarm
contact output for
Control panel
(or Change Over
panel)
Output port: DTERM board.
TB21D: "DFCN"
1-2 short = Alarm "CLOSES"
Normal "OPEN"
3-4 short = Alarm "OPEN"
Normal "CLOSES"
NOTE:
Never use both
jumpers at the same
time!
J45 3-4 short
Off course alarm
contact output
Output port: DTERM board.
TB21D: "OCACN"
1-2 short = Alarm "CLOSES"
Normal "OPEN"
3-4 short = Alarm "OPEN"
Normal "CLOSES"
NOTE:
Never use both
jumpers at the same
time!