While you wait for answers, we may have found some information which could help you.
Click here for Tv Freeview VideoSony unified commander-remote how do you replace batteries?
video will not record or play properly?
VCR connecting to TV with built in Freeview?
AV1 and AV2 on screen?
How can I turn off my Sony RDRGX300?
How can I obtain a replacement VCR remote?