Thanks gts :)
At least he knows the battery is likely to be at fault,plus the user manual link is there for him to copy&paste if needed.
Now back to this Irish Europlex 3GS series panel I've got me to play with,me using it on bench with Honeywells AG8 WB sounder.
Just playing with the resistor/diode values at the moment.
Probably end up back in the skip though :D
e manno, October 2013