Maretron ALM100-01 User Manual page 11

ALM100 User's Manual
The ALM100 does not
sound when expected.
Page A8
Ensure that the ALM100 is properly connected and powered as
described in the preceding section. Use the "Test Annunciator"
function of the DSM250 display to verify that the ALM100 is
receiving messages, as described in section 2.5.3.
Ensure that alerts are configured correctly. Ensure that the
ALM100 has been configured with an instance number as
described in section 2.5.1. Check the alarm configuration in
N2KView or the DSM250 to ensure that this instance number
appears in the list of annunciators to sound for the particular alarm.
Please refer to the DSM250 User's Manual or the N2KView User's
Manual for details on alarm configuration.
Appendix A – NMEA 2000 Interfacing Revision 1.1