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**Home** · (This post was last modified: 10-03-2019, 10:47 AM by Home.)

Is there a simple version history for Comfort 1 available?
We have a number of ICs for \'Outside\' and one labelled \'M4.83\' but we\'re not sure how the Comfort1 versions relate to each other.
Also, what U4 ICs are compatible with each version if we ever have to change them.

I know, I know.....You will say \'upgrade these systems to Comfort2\' (or is it Comfort3 now?) but sometimes the most cost effective method is to keep the original system running.

***slychiu*** · 10-03-2019, 11:44 AM

The Comfort 1 Firmware History is attached. The last firmware 4.234 was in 2006

**Home** · (This post was last modified: 10-04-2019, 01:57 PM by Home.)

Thank you. But I\'m still not clear on the relationship between systems designated as Action, Entry, Master, Outside, Pagewatch, Pro, Rain, Ultra, etc.

(Although I\'ve never seen a system designated as \'etc.\' Big Grin

)

***slychiu*** · 10-05-2019, 01:56 AM

Action, Entry, Master, Outside, Pagewatch, Pro, Rain, Ultra, etc.

Entry - Comfort 1 with limited automationPro/Master - Comfort 1 with more automation,
Ultra - Comfort 1 with even more automation!
Pagewatch was for industrial monitoring Appications and Industrial wordlist
Rain was a special version for some large projects for a specific customer

Comfort 1 Pro should be the main version in the UK