Few old bells are scb most need power from the panel to be full volume. Some say they can be scb but as they use onboard power operate at reduced output
The 'small square' is a potentiometer. You could remove the speaker wire to save the damage to the board
Chief 737 max anti stall designer. Last worked on the dreamliner batteries?
Out of interest your using modern ios tech to post about your really old alarm, would you be interested in keeping your security system up to date for half what you pay to apple?
fta and set are only needed if connecting more than 1 device per circuit. the set connects to an output programmed as that and fta links the vipers together as per the manual
No you found all that from previous companies. It's a matter of time Imo till we will be do anything but what code you on about. You best not charge me for this etc etc
be cautious as the regs are huge.
But yes a smoke has a radius of 7.5m and heat 5.3m but that has to cover every area. This is for part 1. I dont know the regs at all on part 6 and never work on them