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I've reconfigured this old Scantronics 9800 system following a system reset, having been unused for a few years. On a walk test - 3 of the PIRs illuminate OK ... but they don't set off the sounder. These 3 circuits are setup as AL (normal alarm). The 4th PIR works fine - this is setup as an...

Is there a way to make the battery fault condition less dramatic (i.e. not sound the internal sounder!) e.g. Do the Fault Response commands (31/32) manage this? If I was to set them to NoAlarm/Silent? OK... it's only every couple of years, but the battery always seems to fail in the middle of...