how to reset CITADEL XR1 back to factory?
How can I change the engineers code to my own (Citadel VR8)?
how to stop the sensor beeping on citadel alarm?
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 keypad?
Citadel XR2 power off?
Citadel xr alarm?
Citadel XR1 how to remove the tamper light so you can operate the alarm?