1) How do I determine the maximum amount of TV show data I can record with my X1?
2) How do I determine how much TV show data I have recorded at any moment?
you can see the % (percentage) in use with the X1 remote go to recordings. it shows on the upper right side. Different sources have different stream content. local channels take up much more room to record as they are in the mpeg2 format. the often quoted number is 150 hours approximately able to be store on a DVR.