alarm?
Citadel XR1 how to remove the tamper light so you can operate the alarm?
How can I change the engineers code to my own (Citadel VR8)?
attack alarm?
Tamper light showing on Citadel vr8 system?
I have a Citadel XR2 alarm. Indicator light wont go off?
How to reset the tamper function on my Citadel VR8 alarm please?
Citadel XR2 Battery replacement?
citadel xri?