Contec CheckMate RT-U49+ - Manual (Page 17)

Volume Control Options Volume Control Options
q q CABLE mode – CABLE mode – Cable Cable (default), TV or audio (default), TV or audio
q q TV mode – TV mode – TV TV (default), cable or audio (default), cable or audio
q q VIDEO mode – VIDEO mode – TV TV (default), cable or audio (default), cable or audio
q q AUDIO mode – AUDIO mode – Audio Audio (default) or cable (default) or cable