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Ayre DX-5 Universal A/V Engine
RS-232 Control Protocol -- May 2010
Note: The Ayre DX-5 Universal A/V Engine comes with AyreLink connectors for system
communications. The advantage of AyreLink is that it utilizes opto-isolators to ensure that no
ground loops are formed, and that any RFI generated by the CPU in the system controller is
completely isolated from the audio and video systems.
To use an RS-232C controller link for wired system control, an external Ayre RS-232C-to-
AyreLink adapter u
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Response Structure: Upon receiving a command, the player shall try to execute the command and send back a response. Two response formats are supported: the short response and the verbose response. The short response is used by default. If the verbose mode (See command reference for SVM) is set, the verbose response will be used instead. The response starts with an “@” sign (ASCII 0x23), (followed by the original command code and a space (ASCII 0x20) if the verbose response is in use), and a
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Command Sequence: Commands are executed in the order received. The host should wait for a response from the player before sending the next command. If the player receives a new command before executing the previous command, the player may discard the previous command. If the host does not receive a response from the player 10 seconds after the command is issued, the host may consider the command lost during transmission, and can retransmit the command. Command List: A. Command that maps to a
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GOT Go To Play from a specified location OK HOM Home Go to Home Menu OK PUP Page Up Show previous page OK PDN Page Down Show next page OK OSD Display Show/hide on-screen display OK TTL Top Menu Show BD top or DVD title menu OK MNU PopUp Menu Show BD pop-up or DVD menu OK NUP Up Arrow Navigation OK NLT Left Arrow Navigation OK NRT Right Arrow Navigation OK NDN Down Arrow Navigation OK SEL Enter Navigation OK SET Setup Enter the player setup menu OK RET Return Return to previous menu
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B. Query Commands This group of commands issues queries to the player. The player shall respond according to its current status. Command Function Response Example Code QVM Query verbose mode OK 0 OK 1 OK 2 OK 3 QPW Query power status OK ON OK OFF QVR Query firmware version OK AYDX5-50-0424 QVL Query volume OK 100 OK MUTE QHD Query HDMI resolution OK 480P OK 720P50 OK 1080P60 OK AUTO QPL Query playback status OK NO DISC OK LOADING OK OPEN OK CLOSE OK PLAY OK PAUSE OK STOP OK
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QDT Query disc type OK BD-MV OK DVD-VIDEO OK DVD-AUDIO OK SACD OK CDDA OK HDCD OK DATA-DISC QST Query subtitle type OK OFF OK 1/1 English QSH Query subtitle shift OK -5 (valid returns are -5 .. 00 .. 05) QOP Query OSD position OK 0 (valid returns are 0 .. 5) QRP Query repeat mode OK 00 OFF OK 01 REPEAT ONE OK 02 REPEAT CHAPTER OK 03 REPEAT ALL OK 04 REPEAT TITLE OK 05 SHUFFLE OK 06 RANDOM QZM Query zoom mode OK 00 OFF OK 01 STRETCH OK 02 FULL OK 03 UNDERSCAN OK 04 1.2 O
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SHD SDI Set HDMI output resolution OK 480P SDP SDI – Standard definition interlaced (480i/576i) (OK followed by the 720P SDP – Standard definition progressive (480p/576p) original parameter) 1080I SRC – Source Direct 1080P SRC AUTO SPN NTSC Set output TV system OK NTSC PAL OK PAL AUTO OK AUTO SZM 1 Set zoom ratio. OK 1 AR AR – Aspect ratio (Stretch, Letterbox or Pillarbox) (OK followed by the FS FS – Full Screen zoom ratio) US US – Underscan ER INVALID 1.2 1.3 1.5 2 1/2 SRP
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Status Update Messages: The following status update messages are sent by the player automatically when the verbose mode is set to 2 or 3. Verbose Mode 2: UPW - Power Status Update: Sent when there is a change of power on/off status. Possible parameters: 1 digit 1 – Player is turned on 0 – Player is going off Example: @UPW 1 UPL - Playback Status Update: Sent when there is a change of playback status. Possible Parameters: 4 chars DISC – No disc LOAD – Loading disc OPEN – Tray is open CLOS – Tray
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UDT - Disc Type Update: Sent when a new disc type is detected. Possible Parameters: 4 chars BDMV - Blu-ray Disc DVDV – DVD-Video DVDA – DVD-Audio SACD CDDA HDCD DATA – Data disc VCD2 – VCD 2.0 SVCD - SVCD Example: @UDT DVDV UAT - Audio Type Update: Sent when a new audio track is encountered. Parameters: Type (2 chars), space, number (01/99, 5 chars), space, language (3 chars), space, channels (2 chars) Type code: DD – Dolby Digital DP – Dolby Digital Plus DT – Dolby TrueHD TS – DTS TH – DTS-HD H
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Verbose Mode 3: UTC - Time Code Update: Sent every second when the playback time advances. The time information is the same as the front panel display. To switch to a different type of time information, please refer to the STC command. Parameters: Title (3 digits), space, Chapter (3 digits), space, Type (1 chars), space, time (8 chars HH:MM:SS) Title: Current title number. For example, 001. For discs without title numbers (CD), 001 is always used. Chapter: Current chapter or track number. For ex
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Examples: The following are examples of playing a Blu-ray movie using the RS-232 control protocol. The comments are placed after the semicolon. Example 1 – No verbose mode in use. Backwards compatible to the original version of the RS232 control protocol. #PON ; Turn on power @OK ON ; Player is turned on #QPW ; Check power status @OK OFF ; Player is still doing power-on initialization (Wait for a while) #QPW ; Check power status @OK ON ; Player is powered on and ready #EJT ; Eject the tray @OK O
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#PLA ; Start playback @PLA OK PLAY ; Player confirms playback action @UPL CLOS ; Player indicates that the tray is closing @UPL LOAD ; Player indicates that the disc is loading @UDT BDMV ; Player indicates that the disc type is Blu-ray @UAT DT 01/01 ENG 5.1 ; Current audio is Dolby TrueHD English 5.1ch @UST 00/00 UNK ; Current subtitle is none @UPL PLAY ; Current status is playing (Watch the movie) #STP ; Stop playback @STP OK STOP ; Player confirms stop action @UPL STOP ; Player indicates that
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@UAT DT 01/01 ENG 0.0 ; Current audio is Dolby TrueHD English with unknown ; number of channels @UST 00/00 UNK ; Current subtitle is none @UTC 126 002 T 00:01:27 ; Playback resumes at Title 126, Chapter 2, title elapsed ; time 00:01:27 @UPL PLAY ; Current status is playing @UAT DT 01/01 ENG 5.1 ; Current audio is Dolby TrueHD English 5.1ch @UTC 126 002 T 00:01:28 ; Player provides continuous counter updates @UTC 126 002 T 00:01:29 @UTC 126 002 T 00:01:30 @UTC 126 002 T 00:01:31 @UTC 126 002 T 00
