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Home Theater
Standard 7.1
THE LEADER IN AUDIO ENGINEERING
Surround
Preamp/Processor
RS-232 Port: Sending Commands
and Interpreting Data
RC-5 Remote: Commands
Developer’s Reference
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Home Theater Standard 7.1 Surround Preamp/Processor Developer’s Reference v 03.0 CONTACT Krell Industries, Inc. 45 Connair Road INFORMATION Orange, CT 06477-3650 USA TEL 203-799-9954 FAX 203-891-2028 E-MAIL krell@krellonline.com WEBSITE http://www.krellonline.com ® This product is manufactured in the United States of America. Krell is a registered trademark of Krell Industries, Inc., and is restricted for use by Krell Industries, Inc., its subsidiaries, and authorized agents. All other tradem
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Overview This document is designed for application developers who want to control the Home Theater Standard 7.1 using an external computer-based device. The document contains five sections: 1 Connecting to the RS-232 Port, including the RS-232 connector diagram, and RS-232 Port Protocols, on page 4 2 RS-232 Commands, on page 5 3 RS-232 Status Feedback Description, on page 11 4 RS-232 Status Block Descriptions, showing how the Home Theater Standard 7.1 reports operational status, on page 11
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Connecting to the RS-232 Port A 9-pin RS-232 port is located on the right-hand side of the Home Theater Standard 7.1 back panel. Make sure the clamping screws (or thumbscrews) securely fasten the connection cable from the external computer-based device to the RS-232 port on the Home Theater Standard 7.1. Refer to the operating manual of your external computer-based device for instructions on connecting to the Home Theater Standard 7.1. WIRING THE MALE To wire the male connector, follow these st
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RS-232 Commands for the Home Theater Standard 7.1 COMMAND RS-232 CODE MENU Up UPZ COMMANDS Down DWNZ Left LFTZ Right RGTZ Menu MENZ Enter ENTZ Previous PRVZ AUTO-STATUS Disable Auto Status ASTDZ COMMANDS Enable Auto Status ASTEZ Get Status STAZ GENERAL 1 DVD Device Select DVDZ DEVICE SELECT 1 LD Device Select LDZ COMMANDS 1 Satellite Device Select SATZ 1 VCR Device Select VCRZ 1 TV Device Select TVZ 1 CD Device Select CDZ 1 Tuner Device Select TUNZ 1 Aux1 Device Select AU1Z 1 Aux 2 Device Sele
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RS-232 Commands for the Home Theater Standard 7.1, continued COMMAND RS-232 CODE Level Commands, Mute Current Zone MUTZ continued Mute Main Zone MUTMZ Mute Zone 2 MUTRZ Night Compression NTCZ Normal Compression NMCZ Max Compression MXCZ GENERIC ZONE 2 7.1 Input select AMCZ DIRECT SELECT 2 Analog Audio Input-1 AS1Z COMMANDS 2 Analog Audio Input-2 AS2Z (Works on current 2 Analog Audio Input-3 AS3Z zone) 2 Analog Audio Input-4 AS4Z 2 Analog Audio Input-5 AS5Z 2 Analog Audio Input-6 AS6Z 2 Analog
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RS-232 Commands for the Home Theater Standard 7.1, continued COMMAND RS-232 CODE MAIN ZONE Main Analog Audio Input-1 AS1MZ DIRECT SELECT Main Analog Audio Input-2 AS2MZ COMMANDS Main Analog Audio Input-3 AS3MZ (Main zone Main Analog Audio Input-4 AS4MZ must be on) Main Analog Audio Input-5 AS5MZ Main Analog Audio Input-6 AS6MZ Main Analog Audio Input-7 AS7MZ Main Analog Balanced Input AB1MZ Main Analog Tape Select TPAMZ Main Analog VCR Select VCAMZ Main Aux1 Device Select AU1MZ Main Aux2 Devic
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RS-232 Commands for the Home Theater Standard 7.1, continued COMMAND RS-232 CODE POWER Power On 1PWRZ COMMANDS Power Off 0PWRZ ZONE SELECT Main Zone MANZ COMMANDS Zone 2 Zone 2 power toggle if main zone Is OFF REMZ ROOM EQ Room EQ Select XXX = 000-004 (000 = OFF) COMMAND (001-004 selects memory 1-4) XXXEQMZ TRIGGER Trigger-1 OFF 0TR1Z COMMANDS Trigger-1 ON 1TRIZ Trigger-2 OFF 0TR2Z Trigger-2 ON 1TR2Z Trigger-3 OFF 0TR3Z Trigger-3 ON 1TR3Z Trigger-4 OFF 0TR4Z Trigger-4 ON 1TR4Z 8 Krell Home
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RS-232 Commands for the Home Theater Standard 7.1, continued COMMAND RS-232 CODE DECODE MODE SELECT Mode 1 MS1Z COMMANDS Mode 2 MS2Z Prologic MVZ Stereo STZ Preamp PAZ THX THXZ Audio Decode Set Mode 000 - 038, sets mode* XXXMODZ * Refer to the list of audio decode modes and corresponding codes on page 10 to set the mode. Modes that do not apply to the current input stream are ignored. Krell Home Theater Standard 7.1 Developer’s Reference 9
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RS-232 Commands for the Home Theater Standard 7.1, continued Audio decode modes AUDIO DECODE MODE CODE and corresponding codes Dolby Digital 5.1 000 Dolby Digital 5.1 + THX 001 Dolby Digital 5.1 + THX EX 002 AC3 2/0 Stereo Mode (Pass Mode) 003 AC3 2/0 Pro-Logic II Movie Mode 004 AC3 2/0 Pro-Logic II Music Mode 005 AC3 2/0 Pro-Logic II Matrix Mode 006 AC3 2/0 Pro-Logic II Emulation Mode 007 AC3 2/0 Pro-Logic II Movie +THX Mode 008 AC3 2/0 Pro-Logic II Emulation+THX Mode 009 DTS 5.1 Music 010 D
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RS-232 Status Feedback Description for the Home Theater Standard 7.1 The Home Theater Standard 7.1 reports its operational status by trans- mitting a block of status data via the RS-232 connector. The block is configured as eighteen 8-bit words. The first and last word always con- tains hexadecimal code 55 to facilitate message framing and synchro- nization. When the data block is sent through an RS-232 port, each 8-bit word transmitted will also have 1 stop bit associated with it. The exact R
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RS-232 Status Block Descriptions, continued Word 3: General Status II Bit 76 543 2 1 0 Menu Mode Auto Status PLL Locked Trigger 4 On Trigger 3 On Trigger 2 On Trigger 1 On DSP Running Description Enabled Bit 7: Menu mode 1 = Menu mode is active Bit 6: Auto Status 1 = Auto status enabled Bit 5: PLL Locked 1 = PLL is locked (valid digital input signal detected) Bit 4: Trigger 4 On 1 = Trigger 4 is on Bit 3: Trigger 3 On 1 = Trigger 3 is on Bit 2: Trigger 2 On 1 = Trigger 2 is on Bit 1: Trigger 1 O
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RS-232 Status Block Descriptions, continued Word 8: Main Zone Audio Input Bit 76 543 2 1 0 MN AUD MN AUD MN AUD MN AUD MN AUD MN AUD MN AUD MN AUD Description IN 7 IN 6 IN 5 IN 4 IN 3 IN 2 IN 1 IN 0 Bit 7 – 0: Main Zone Audio Input Audio Inputs 1 Digital: COAX 1 10 Analog: S1 2 Digital: COAX 2 11 Analog: S2 3 Digital: COAX 3 12 Analog: S3 4 Digital: COAX 4 13 Analog: S4 5 Digital: COAX 5 14 Analog: S5 6 Digital: COAX 6 15 Analog: S6 7 Digital: Optical 1 16 Analog: S7 8 Digital: Optical 2 17 Anal
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RS-232 Status Block Descriptions, continued Word 11: Current Audio Decode Modes Bit 76 543 2 1 0 Description CAD 7 CAD 6 CAD 5 CAD 4 CAD 3 CAD 2 CAD 1 CAD 0 Bit 7 – 0: Current Audio Decode Modes Analog and PCM Decode Modes Dolby AC3, 5/1 Modes 1 Stereo Mode (Pass Mode) 47 Dolby Digital 5.1 2 Pro-Logic II Movie Mode 48 Dolby Digital 5.1 + THX 3 Pro-Logic II Music Mode 49 Dolby Digital 5.1 + THX EX 4 Pro-Logic II Matrix Mode Dolby AC3, X/Y Modes 5 Pro-Logic II Emulation Mode 65 Dolby Digital 1+1
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RS-232 Status Block Descriptions, continued Word 12: Main Zone Balance/Compression Mode Bit 76 543 2 1 0 Description Reserved CMode 1 CMode 0 BAL 4 BAL 3 BAL 2 BAL 1 BAL 0 Bits 4 - 0: Balance Setting 0 – 26 Bits 5 – 6: Compression Mode Balance Settings 0 Right Off 9 Left +2.0 18 Right +2.5 1 Left +6 10 Left +1.5 19 Right +3.0 2 Left +5.5 11 Left +1.0 20 Right +3.5 3 Left +5.0 12 Left +0.5 21 Right +4.0 4 Left +4.5 13 Centered 0 22 Right +4.5 5 Left +4.0 14 Right +0.5 23 Right +5.0 6 Left +3.5 1
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RS-232 Status Block Descriptions, continued Word 14: Center Trim Bit 76 543 2 1 0 Description Reserved Reserved Reserved CT 4 CT 3 CT 2 CT 1 CT 0 Bits 4 – 0: Center Trim Trim Settings 0 -10 dB 10 0 dB 1-9 dB 11 +1 dB 2-8 dB 12 +2 dB 3-7 dB 13 +3 dB 4-6 dB 14 +4 dB 5-5 dB 15 +5 dB 6-4 dB 16 +6 dB 7-3 dB 17 +7 dB 8-2 dB 18 +8 dB 9-1 dB 19 +9 dB 20 +10 dB Word 15: Surround Trim Bit 76 543 2 1 0 Mode 1/2 Reserved Reserved RT 4 RT 3 RT 2 RT 1 RT 0 Description LED Status Bit 7: Mode 1/2 LED Status 1
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RS-232 Status Block Descriptions, continued Word 17: Sub Trim Bit 76 543 2 1 0 Description Reserved Reserved Reserved ST 4 ST 3 ST 2 ST 1 ST 0 Bits 4 – 0: Sub Trim Trim Settings 0 -10 dB 7 -3 dB 14 +4 dB 1-9 dB 8 -2 dB 15 +5 dB 2-8 dB 9 -1 dB 16 +6 dB 3-7 dB 10 0 dB 17 +7 dB 4-6 dB 11+1 dB 18 +8 dB 5-5 dB 12+2 dB 19 +9 dB 6-4 dB 13+3 dB 20 +10 dB Word 18: End of Message Bit 76 543 2 1 0 Description 01 010 1 0 1 Bit 7 – 0: Hexadecimal 55 Krell Home Theater Standard 7.1 Developer’s Reference 17
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RC-5 Commands for the Home Theater Standard 7.1 The following codes are used for controlling the Home Theater Standard 7.1 via IR. SYSTEM COMMAND SYSTEM COMMAND RC5 WORD HOME THEATER (HEX) (HEX) (DEC) (DEC) (HEX) STANDARD 7.1 1C 1 28 1 3701 SUB 1C 2 28 2 3702 REAR 1C 6 28 6 3706 CENTER 1C 7 28 7 3707 MUTE 1C B 28 11 370B DOWN 1C C 28 12 370C MENU 1C D 28 13 370D RIGHT 1C E 28 14 370E ENTER 1C F 28 15 370F LEFT 1C 10 28 16 3710 TAPE 1C 11 28 17 3711 UP 1C 12 28 18 3712 PREV 1C 19 28 25 3719 7.1
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RC-5 Commands for the Home Theater Standard 7.1, continued SYSTEM COMMAND SYSTEM COMMAND RC5 WORD HOME THEATER (HEX) (HEX) (DEC) (DEC) (HEX) STANDARD 7.1 19 5 25 5 3645 TV 19 6 25 6 3646 CD 19 7 25 7 3647 TUNER 19 8 25 8 3648 AUX1 19 9 25 9 3649 AUX2 19 A 25 10 364A MAIN ZONE 19 B 25 11 364B ZONE 2 19 C 25 12 364C USER 19 D 25 13 364D VCR INPUT 19 E 25 14 364E TAPE INPUT 19 10 25 16 3650 COMPONENT1 19 11 25 17 3651 COMPONENT2 19 12 25 18 3652 COAX3 19 13 25 19 3653 COAX4 19 13 25 19 3654 COAX5
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RC-5 Commands for the Home Theater Standard 7.1, continued Audio decode modes AUDIO DECODE MODE CODE and corresponding codes Dolby Digital 5.1 00 Dolby Digital 5.1 + THX 01 Dolby Digital 5.1 + THX EX 02 AC3 2/0 Stereo Mode (Pass Mode) 03 AC3 2/0 Pro-Logic II Movie Mode 04 AC3 2/0 Pro-Logic II Music Mode 05 AC3 2/0 Pro-Logic II Matrix Mode 06 AC3 2/0 Pro-Logic II Emulation Mode 07 AC3 2/0 Pro-Logic II Movie +THX Mode 08 AC3 2/0 Pro-Logic II Emulation+THX Mode 09 DTS 5.1 Music 10 DTS 5.1 Movie
