Furuno CSH-24 Connection of Sub-display Unit CSH-236/236F Option, Connections, DIP switch setting

4.7Connection of Sub-display Unit CSH-236/236F (Option)

The Sub-Display Unit CSH-236/236F is the same as the Display Unit CSH-230/230F in terms of outline dimension and control panel layout. It controls the sonar at a place remote from the display unit while observing picture on the screen. One sub-display unit can be connected to three display units.

Note: The Sub-Display Unit can be connected to CSH-23/23F only.

Connections

Refer to the interconnection diagram at the end of this manual.

Note: One sub-display unit can be connected to three sonars, but different models cannot be connected.

DIP switch setting

Set DIP switch S1 on the RDCB Board (10P6724) in the sub-display unit as follows:

10P6724

CN-A3 CN-A2 CN-A1

(CH-3) (CH-2) (CH-1)

S1

SW No.	Used for	Function
1	Display unit on CH-1	ON: Turning on sub-display unit automatically
2	Display unit on CH-2	turns on display unit.
3	Display unit on CH-3	Don’t set OFF because the system doesn’t work.
4	Display unit on CH-1	ON: Turning on display unit automatically
5	Display unit on CH-2	turns on sub-display unit.
6	Display unit on CH-3	OFF: Sub-display unit is not turned on when display
		unit is turned on.
7	Not used.	Used in remote display unit. Set to ON in sub-display
		unit.
8	Not used.

Figure 4-31 DIP switch setting on RDCB board in the sub-display unit

Note: To have both the display unit and sub-display unit turned on when either unit is turned on, turn on SW #1 and #4.

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