It's always been my understanding that
IRVR readings are automatically recorded. It was once explained to me, many moons ago, that this is a CAA requirement, and that the data had to be available for cross-checking by their 'AWOPS Department', should they so desire.
I'm pretty sure that the AGI IRVR system records data that it measures
Yes, the AGIVIS 2000 website confirms this:-
"The information is also entered onto a magnetic cartridge recorder and page printer for archiving and legal record purposes."