How to reset the tamper function on my Citadel VR8 alarm please?
Tamper light showing on Citadel vr8 system?
attack alarm?
How can I change the engineers code to my own (Citadel VR8)?
Delay alarm going off citadel?
citadel xr2+ tamper mode?
how do i fix my citadel house alarm?
how to stop the sensor beeping on citadel alarm?
does a citadel xri have two battery's?