Lexicon RT-20 Control Manual
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Lexicon RT-20 Control Manual

Lexicon RT-20 Control Manual

Universal disc player
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RT-20 Universal Disc Player
RS-232 Control Guide
Harman Specialty Group 3 Oak Park, Bedford, MA, 01730-1413 USA
Customer Service: Telephone: 781-280-0300 | Service Fax: 781-280-0499 | www.lexicon.com
Part No. 070-17224 | Rev 0 |
03/05

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  • Page 1 RT-20 Universal Disc Player RS-232 Control Guide Harman Specialty Group 3 Oak Park, Bedford, MA, 01730-1413 USA Customer Service: Telephone: 781-280-0300 | Service Fax: 781-280-0499 | www.lexicon.com Part No. 070-17224 | Rev 0 | 03/05...
  • Page 2 “SACD” and the SACD logo are trademarks of Sony Electronics, Inc. “TosLink” is a registered trademark of Toshiba Corporation. “Lexicon,” “LOGIC7,” and the L7 logo are registered trademarks of Harman International Industries, Inc. U.S. Patent Nos. D454,553; D454,860; 5,796,844; 5,870,480 and other worldwide patents issued and pending.

  • Page 3: Table Of Contents

    3-1. Connection format...4 3-1-1. Physical connection...4 3-2. Transmission data packet formats...4 3-2-1. Transmission data packets from the HOST to the RT-20...4 3-2-1-1 Command Packets ...4 3-2-1-2. Status Request Packets...4 3-2-2. Response data packets from the RT-20 to the HOST...5 3-2-2-1.

  • Page 4: Introduction

    RT-20 User Guide p/n 070-17261. 2. System Description 2-1. Overview The RT-20 RS-232 interface has been designed as a Master-Slave communication protocol, in which the RT-20 is the slave device. The Master-system controller is referred to as the HOST device. 2-2. Block Diagram...

  • Page 5: Detailed Description

    There are two kinds of transmission data packets that are described below. 3-2-1-1. Command Packets The Command Packets are provided for the Host Controller to request the RT-20 to perform a specific action. Start character COMMAND End character (CR) : 0Dh...

  • Page 6: Response Data Packets From The Rt-20 To The Host

    Start character : ’@’, A C K start 0D h ‘@ ’ The RT-20 will send a NAK response packet if the RT-20 has received an incorrect HOST command packet. Start character start N A K 0D h ‘@ ’...

  • Page 7: Data Transaction Sequencing And Timing Requirements

    The RT-20/Host Data Packet Transactions can be described in one of the three following sequences: • The HOST sends a command data packet and the RT-20 responds with an ACK or a NAK data packet. • The HOST sends a status request data packet and the RT-20 responds with the corresponding status data packet or NAK if the request is invalid.

  • Page 8: Examples Of Host/Rt-20 Handshaking

    C o m m a n d S t a t u s r e q u e s t The RT-20 may reply with an ACK instead of requested status, if the RT-20 cannot send the requested status immediately. 3-3-5-2.

  • Page 9: Commands

    Toggle REPEAT Step A-B REPEAT Step PROGRAM Toggle RANDOM Step MARKER Toggle PAGE Command “PWR:1” “PWR:2” “TRY:0” “TRY:1” “TRY:2” “STP:0” “PLY:0” “PPS:0” “PSF:0” “PSR:0” “PFF:0” “PFR:0” “GOT:1” “GOT:2” “PST:0” “SCH:0” “RPT:0” “A-B:0” “PRG:0” “RDM:0” “MRK:0” “PAG:1” “PAG:2” Reply from RT-20...
  • Page 10 “OSD:0” “MNU:1” “MNU:0” “SBT:0” “AUD:0” “DIP:0” “DIM:0” “DIM:1” “DIM:2” “DIM:3” “CUR:0” “CUR:1” “CUR:2” “CUR:3” “CUR:4” “NUM:0” “NUM:1” “NUM:2” “NUM:3” “NUM:4” “NUM:5” “NUM:6” “NUM:7” “NUM:8” “NUM:9” “NUM:P” “ENT:0” “CLR:0” Command “SCD:0” “SCD:1” “SCD:2” “SCD:3” “HPM:0” Reply from RT-20 Reply from RT-20...

  • Page 11: Specific Commands

    AUTO POWER OFF Enable DVD 1 REMOTE CODE DVD 2 Disable ECO MODE Enable 3-4-2. Specific Commands Command from Host Auto status feedback (The RT-20 default will disable all auto status feedback.) “TVS:0” “PGR:0” “ASP:1” “ASP:2” “ASP:3” “ASP:4” “VMT:0” “VMT:1” “VMT:2”...

  • Page 12: Status Request And Status Response Data Packets

    3-5. Status Request and Status Response Data Packets 3-5-1. HOST Status request and Status Response/feedback list Status request POWER “PWR:?” TRAY MODE “TRY:?” PLAY MODE “MOD:?” DISC “DSC:?” 3-5-2. HOST Status request and Status Response/feedback list Status request REPEAT “RPT:?” A-B REPEAT “A-B:?”...

  • Page 13: Host Status Request And Status Response/Feedback List Ast Layer: 3

    Status request SACD MODE “SCD:?” Status request TV SYSTEM “TVS:?” PROGRESSIVE “PGR:?” /INTERLACE ASPECT “ASP:?” VIDEO MUTE “VMT:?” Status request HDMI ON/OFF “HDM:?” AUTO POWER OFF “ATP:?” REMOTE CODE “RC6:?” ECO MODE “ECO:?” 3-5-3. HOST Status request and Status Response/feedback list Send Slave status COUNTER “TIM:?”...

  • Page 14: Special Status Request And Status Response List Ast Layer: None

    3-5-4. Special Status request and Status Response list Status request Auto status feedback “AST:?” Status request “RV0:?” “RV1:?” Read Version Number “RV2:?” “RV3:?” AST Layer: None Status answer and feedback Layer1 Layer2 Layer3 Disable. Disable. Disable. Enable. Disable. Disable. Disable. Enable.

  • Page 15: Status Feedback

    3-6. Status Feedback Auto Status feedback Layer Layer2 A-B REPEAT Layer2 ASPECT Layer2 AutoPowerOff Layer2 REMOTE CODE Layer2 EcoMode PLAY MODE Layer1 Layer1 POWER Layer2 RANDOM Layer2 REPEAT Layer2 S.MODE Layer1 TRAY Layer2 NTSC/PAL Layer2 VIDEO MUTE Request Status @A-B:?\x0d, @A-B:1\x0d @A-B:2\x0d @A-B:3\x0d...
  • Page 16 Auto Status feedback Layer DISC Layer1 Layer2 COUNTER Layer2 Layer2 Layer2 Layer3 Layer2 PROGRESSIVE/ INTERLACE Layer2 DIMMER (FL/LCD) Layer2 HDMI ON/OFF AST layer Read Ver Number Auto status feedback AST layer Request Status @DSC:?\x0d, @DSC:-\x0d @DSC:0\x0d @DSC:1\x0d @DSC:2\x0d @DSC:3\x0d @DSC:4\x0d @DSC:5\x0d @DSC:6\x0d @TTL:?\x0d...

  • Page 17: Data Packet Command List

    Data Packet 3-7. COMMAND List COMMAND A-B REPEAT @A-B:0\x0d, ANGLE @AGL:0\x0d ASPECT @ASP:1\x0d, @ASP:2\x0d @ASP:3\x0d @ASP:4\x0d AutoPowerOff @ATP:1\x0d, @ATP:2\x0d AUDIO @AUD:0\x0d CLEAR @CLR:0\x0d CONDITION @CND:0\x0d RETURN @CUR:0\x0d CURSOR @CUR:1\x0d @CUR:2\x0d @CUR:3\x0d @CUR:4\x0d DIMMER (FL/LCD) @DIM:0\x0d @DIM:1\x0d @DIM:2\x0d @DIM:3\x0d DISPLAY (OSD) @DIP:0\x0d REMOTE CODE @RC6:1\x0d...
  • Page 18 COMMAND @NUM:P\x0d SETUP @OSD:0\x0d PAGE @PAG:1\x0d @PAG:2\x0d PLAY MODE @PFF:0\x0d @PFR:0\x0d @PLY:0\x0d @PPS:0\x0d @PSF:0\x0d @PSR:0\x0d @STP:0\x0d PROGRAM @PRG:0\x0d PROGRESSIVE/ INTERLACE @PGR:0\x0d POWER @PWR:1\x0d @PWR:2\x0d RANDOM @RDM:0\x0d REPEAT @RPT:0\x0d S.MODE @SCD:0\x0d @SCD:1\x0d @SCD:2\x0d @SCD:3\x0d SEARCH @SCH:0\x0d STEP @PST:0\x0d SUBTITLE @SBT:0\x0d TRAY @TRY:0\x0d @TRY:1\x0d @TRY:2\x0d...
  • Page 19 COMMAND Auto status feedback @AST:0\x0d @AST:1\x0d @AST:7x0d @AST:2\x0d @AST:3\x0d @AST:4\x0d @AST:5\x0d @AST:6\x0d @AST:7\x0d Notes all layer OFF layer1 ON layer2 ON layer3 ON layer1,layer2 ON layer1,layer3 ON layer2,layer3 ON all layer ON...
  • Page 22 Harman Specialty Group 3 Oak Park, Bedford, MA, 01730-1413 USA Customer Service: Telephone: 781-280-0300 | Service Fax: 781-280-0499 | www.lexicon.com Part No. 070-17224 | Rev 0 03/05...

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Rs-232 - revRt-20 - rev 0 - 3-05Rt-232Rs-232

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