Furuno NAVNET 1933C-BB - Manual (Page 63)

4-1
4. OPTIONS
4.1 External 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)