Simrad GC80/GC85 Expanded Gyro Compass
98 20221529 / C
JUMPER DEFAULT FUNCTION DESCRIPTION
J18 1-2 short
"Rate of turn" Analog
signal level selection
Output port: GTERM board,
TB1 "1RT～3RT"
1-2 short = Output voltage 0v to
±5v DC or 0v to ±10v
DC
3-4 short = Output voltage 0v to
+5v DC or 0v to
+10v DC
NOTE
: Never use both jumpers
at the same time!
J19 1-2 short
LOG contact signal
selection
Input port: GTERM board,
TB1 "SL"
1-2 short = 200p.p.n.m.
3-4 short = 400p.p.n.m.
NOTE
: Never use both
jumpers at the same
time!
J20 1-2 short
Polarity for "GPS"
signal setting
Input port: GTERM board,
TB1 "GRX"
1-2 short = Standard
3-4 short = Polarity is carried out
reversely.
NOTE:
When a signal cannot
be received by "1-2
short", it is set as "3-4
short."
NOTE
: Never use both
jumpers at the same
time!
J21 1-2 short
Setting of polarity for
"LOG" signal
Input port: GTERM board,
TB1 "LRX"
1-2 short = Standard
3-4 short = Polarity is carried out
reversely.
NOTE:
When a signal cannot
be received by "1-2
short", it is set as "3-4
short."
NOTE
: Never use both
jumpers at the same
time!
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