Furuno 1933C-BB manual External Buzzer Connection, External buzzer, Processor unit cover removed

4. OPTIONS

4.1External Buzzer Connection

The optional external buzzer provides a louder alert when the alarm is violated.

External buzzer
Type:	XH3-BZ-L970
Code no.:	000-146-422

1.Unfasten 11 screws and 9 connectors to remove the cover.

2.Use a knife to cut a “cross” in the rubber bushing on the rear cover.

3.Pass the 3P connector of the buzzer assembly through the rubber bushing from the outside of the cover.

4.Connect the 3P connector to J307 on the 19P1013 board. See below.

5.Close the cover.

6.Fix the buzzer within 1 m from the processor unit with two tapping screws.

Buzzer

3P Connector

approx. 1 m

19P1013

J307

Processor unit (cover removed)

4-1