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BD-30 Blu-ray Disc Player
Appendix
B. Query Commands
This group of commands issues queries to the player. The player shall respond according to its current status.
Command Code Function Response Example
QPW Query power status OK ON
OK OFF
QVR Query firmware version OK BD30-14-0306
QVL Query volume OK 100
OK MUTE
QHD Query HDMI resolution OK 480P
OK 720P50
OK 1080P60
QPL Query playback status OK NO DISC
OK LOADING
OK OPEN
OK CLOSE
OK PLAY
OK PAUSE
OK STOP
OK STEP
OK FREV
OK FFWD
OK SFWD
OK SREV
OK SETUP
OK HOME MENU
OK MEDIA CENTER
QTK Query Track/Title OK 2/10
QCH Query Chapter OK 3/3
QTE Query Track/Title
elapsed time
OK 0:1:34
QTR Query Track/Title
remaining time
OK 1:20:23
QCE Query Chapter
elapsed time
OK 0:1:34
Command Code Function Response Example
QCR Query Chapter
remaining time
OK 0:12:22
QEL Query Total
elapsed time
OK 0:5:12
QRE Query Total
remaining time
OK 1:34:44
QDT Query disc type OK BD-MV
OK DVD-VIDEO
OK DVD-AUDIO
OK SACD
OK CDDA
OK HDCD
OK DATA-DISC
QAT Query audio type OK DD 1/1
OK DD 1/5 English
OK DTS 2/5 English
OK LPCM
OK DTS-HD 1/4 English
QST Query subtitle type OK OFF
OK 1/1 English