sentences:  Units sold in NTSC regions are SD/ED NTSC, 720p, 1080i and 1080p compliant, while those available in PAL regions are compatible with SD/ED PAL, 720p, 1080i and 1080p.An NTSC system (480i/480p) cannot output PAL (576i/576p) games and DVDs (DVD-Video/DVD-Audio) – however PAL units can display "All Region" NTSC DVDs.This regional lock does not affect HD output (720p/1080i/1080p) – except for Blu-ray Disc movies.