Furuno FS-1503 manual Dummy Load, W4 Wire Assy W3 Wire Assy

3.9 Dummy Load

The dummy load enables testing of the two-tone alarm. Install the board following the figure below. CHANGE SYSTEM SETTING 9917 to 1.

W4 should not touch

TB4 or W3.

Gap between inner wall and wire should be more

than 15 mm.

W4 WIRE ASSY.

W3 WIRE ASSY.

NOTICE

Separate wire assemblies W3 and W4 more than

15 mm from each other.

Fasten dummy load assy. to shield case with four existing screws (4 pcs.).

TB4

ANT

Fasten wire with cable tie.

		Separare these wires: Bend crimp-on
		lug attached to TB1 upward; bend
		crimp-on lug attached to TB3 downward.
		W6
		WIRE ASSY.
TB2	TB1	TB3	NOTICE
TX	TX	DUMMY
OUT	IN		Do not route
		J1
			wires within
DUMMY CONT		J2
			this area.
BOARD 05P0670		E
		TB4
DUMMY LOAD ASSY.			E TB3

W5

WIRE ASSY.

Figure 3-6 COUPLER board, installation of dummy load

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