Tamper light showing on Citadel vr8 system?
how to stop the sensor beeping on citadel alarm?
citadel xri?
Citadel XR2 Battery replacement?
How can I change the engineers code to my own (Citadel VR8)?
how to reset CITADEL XR1 back to factory?
citadel xr2 alarm fault. please help!!?
Citadel XR1 how to remove the tamper light so you can operate the alarm?
I have a Citadel XR2 alarm. Indicator light wont go off?