Many yrs ago I used to buy vertas r8's from my local branch of CEF. IIRC a good few % cheaper than CSD Professional (yes that long ago)
They where going to stop stocking them as they had lots of returned items & could not understand why we never sent any back...
They used to get
its a social experiment,
we diagnose those with broken brains by their CAPSLOCKS rants
your the 2nd today, should we get a 3rd our NHS funding gets increased....
My spider senses tingle "Aritech" ?
I guess a tamper circuit would be used for the external bell ?
the 2nd tamper circuit may be used for an internal speaker ?
I've probably got beads on for single cores somewhere on stock, probably last used when enforcers where cream coloured & had no case screw
I've got split cores somewhere a telephone bloke gave me at least 16yrs ago...
If you open the Ewd whilst the controls are in engineering. They normally sound.
Some products are able to be placed into an engineer mode & won't sound when the case is opened
IIRC all the elites produce both "mains fail" & "power o/p" when the mains is off
I'd guess its something to do with the 4 pin molex pin on the switch mode psu
the switch mode psu is also a bit naff & much more likeley to fail compared to transformer