Wired Alarm Control Panels Frequently Asked Questions

Can I update the revision of my Vista 10p?
While the Vista-15P and Vista-20P can both be updated to newest revision by simply swapping in a new PROM chip, the Vista 10P can NOT update its revision
Added:

Can a wired Honeywell Panel use wireless sensors?
Want to upgrade a wired honeywell panel to work wirelessly? Here are several cost effective options to hybridize your existing alarm system. Choose from stand alone wireless receivers and keypads with built in wireless receivers (6160RF and 6150RF). Salvage what you have and make it do what you want!
Added:

Honeywell Vista 20P vs Honeywell VISTA 20PSIA
Click to find out what the difference is between the Honeywell VISTA-20P and the very similar VISTA-20PSIA.
Added:

What is the difference between Arm Stay & Arm Away?
Learn the difference between armed stay and armed away in this FAQ.
Added: