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Simrad GC80/85 Dual MK2 Gyro Compass
JUMPER
DEFAULT
J26
Short
(2WR/EXT)
J27
1-2 short
(LOG)
J28
1-2 short
(ROT)
J29
1-2 short
(ESPOL)
988-12720-002
FUNCTION
Software install or
internal communication
with "NO.2 Gyro
compass"
LOG contact signal
selection
"Rate of turn" Analog
signal level selection
Setting of polarity for
"external heading
sensor" signal
DESCRIPTION
software is installed while
this jumper is short.
Short:
Internal communication
with "NO.2 Gyro
compass"
Open:
Software is installed in
SCC board
NOTE:
A damage will be given to
a circuit if software is
installed while this jumper
has been short.
Input port：GTERM-A board,
TB1-2: "SL"
1-2 short =
200p.p.n.m.
3-4 short =
400p.p.n.m.
NOTE:
Never use both jumpers at
the same time!
Output port: GTERM-A board,
TB1-3: "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!
Input port: GTERM-A board,
TB1-2: " ESRX"
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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