https://forum.videohelp.com/threads/420122-Pio-DVR-550HX-suddenly-won-t-record-NTSC?s=564e9aa8547b07e7c36ba5751dce0d81
Pio DVR-550HX suddenly won't record NTSC - VideoHelp Forum
NEVERMIND! (I tried to delete this post but can't find a way). The problem was I was pushing the wrong button on the remote! This machine has a
piodvrsuddenlyrecordntsc