Furuno CSH-8L Installation Manual page 46

2. WIRING
DIP switch setting
Set DIP switch #4 on the MAIN Board as follows:
S4-#2
S4-#1
When synchronizing No.2 sonar to No.1 sonar, set ON at [EXT KP SYNC] item on the
setting menu. Refer to the operator's manual for the procedure.
2-16
MAIN Board
S4
Processor unit, DIP switch S4 location
DIP switch No.1 sonar
ON
EXT KP(J11)
No.2 sonar
-
- OFF