Furuno Synchronizing Transmission with Echo Sounder or Other Sonar Using Sonar Technology

2.2Synchronizing Transmission with Echo Sounder or Other Sonar

To synchronize transmission of the CH-37 with an echo sounder or other type of sonar, connect it as shown below.

Connections for synchronizing Tx with other E/S, sonar

	DISPLAY UNIT	E/S, SONAR
06P0228	J3
	KP1 > 3 >	KP	OU	T
	EXT SW > 5 >	+5 V to 15 V
	GND > 8 >	GND

CH-37 accepts a positive KP with amplitude of 5 V to 15 V.

Make a hole for cable entry at the left side of the rear panel.

Figure 2-3 Connection of display unit to other sonar

FRONT REAR

J3

MAIN Board	SNR Board
06P0227	06P0228

Figure 2-4 Display unit, cover removed, right side view

2-4