To allow backward compatibility with older SDTVs, HD receivers are compatible with a composite video or S-Video connexion, while a separate adapter is required for legacy coaxial cable connexions.
HD receivers are compatible with a composite video. This was to allow backward compatibility with older SDTVs. HD receivers are compatible with S-Video connexion, while a separate adapter is required for legacy coaxial cable connexions. This was to allow backward compatibility with older SDTVs.