Simrad GC80 Compact MK2, User Manual

Page: 137 / 156

DIP SWITCH SETTINGS
123 988-12720-002
JUMPER DEFAULT FUNCTION DESCRIPTION
J21
(G2TX)
3-4 short
Serial signal output
setting
Output port: DTERM-A board, TB21C:
"G2-1TX" and
TB21D: "G2-2TX"
1-2 short = IEC61162-2 or TOKIMEC
version
3-4 short = IEC61162-1 ed.4 (ref.
page 3)
NOTE: True heading information
on "NO.2 Gyro compass" is
output regardless of a
system change.
J22
(GPSPOL)
1-2 short
Polarity of the "GPS"
signal setting
Input port: GTERM-A board,
TB1-2: "GRX"
1-2 short = Standard
3-4 short = Polarity is carried out
reversely.
NOTE: Never use both jumpers at
the same time!
NOTE: When a signal cannot be
received by "1-2 short", it is
set as "3-4 short".
J23
(LOGPOL)
1-2 short
Polarity of "LOG" signal
setting
Input port: GTERM board-A,
TB1-2: "LRX"
1-2 short = Standard
3-4 short = Polarity is carried out
reversely.
NOTE: Never use both jumpers at
the same time!
NOTE: When a signal cannot be
received by "1-2 short", it is
set as "3-4 short".
J24
(RXD3SEL)
1-2 short
Setting receiving port of
CPU on SCC board
1-2 short = An optional serial
signal is received.
3-4 short = The serial signal output
from SCOIF board
received.
NOTE: Never use both jumpers at
the same time!
J25
(1WR/EXT)
Short
Software install or
internal communication
with "NO.1 Gyro
compass"
Short: Internal communication
with "NO.1 Gyro
compass"
Open: Software is installed in
SCC board
NOTE: Circuit is damaged if