how to stop the sensor beeping on citadel alarm?
How can I change the engineers code to my own (Citadel VR8)?
citadel xr2 need to turn power off?
citadel xri?
sensors no longer active on my citadel xr2 alarm system?
Citadel XR1 how to remove the tamper light so you can operate the alarm?
citadel xr2 8zone?
How to reset the tamper function on my Citadel VR8 alarm please?
citadel xr2+ tamper mode?