Marantz SR7400 Specification

Rs232c control specification
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RS232C Control Specification
SR7400/8400
Category
Document Version
Date
Number of Page
Marantz
for
:
AV. Receiver
:
1.00
:
11/22/2003
:
17
SR7400/8400 : Rev00

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Summary of Contents for Marantz SR7400

  • Page 1 SR7400/8400 : Rev00 Marantz RS232C Control Specification SR7400/8400 Category AV. Receiver Document Version 1.00 Date 11/22/2003 Number of Page...
  • Page 2: Table Of Contents

    Detailed Description.............................. 4 3-1. Connection format ............................4 3-1-1. Physical connection..........................4 3-1-1-1. Data transmission sequence from Host to Slave ................4 3-1-1-2. Data transmission sequence from Slave to Host ................4 3-2. Transmission data format..........................5 3-2-1. Transmission data format from Host to Slave..................5 3-2-1-1.
  • Page 3: Introduction

    1-3. Abbreviations Abbreviation Description 1-4. References 2. Global Description 2-1. Overview A Host controller can control or watch out This product as a Slave very easily via the communication cable. 2-2. Block Diagram HOST SLAVE RS232C cable (straight) (Controller) (This product)
  • Page 4: Detailed Description

    2. The host performs the data transmission of the number of required bytes, and ends a transmission. * The host can do RTS to Low during the transmission for disable data transmission from a slave. 3-1-1-2. Data transmission sequence from Slave to Host...
  • Page 5: Transmission Data Format

    ACK is a reply data from Slave when Slave got an acceptable command data from Host. : 06h A C K 0 6 h NAK is a reply data from Slave when Slave got an incorrect Command data, Status request data or some other data from Host. : 15h N A K 1 5 h 3-2-2-2.
  • Page 6: The Transaction Sequences And The Regulations

    Command or a Status request from the Host. * The Host must not transmit an another Command or Status request until "it receives a answer by a previous Command or Status request" or "it passes one second from a finishing of previous transmission of a Command or a Status request ".
  • Page 7: Examples Of The Handshaking Flowchart

    S L A V E C o m m a n d C o m m a n d a c c e p t a b l e A C K S t a t u s r e q u e s t...
  • Page 8: Command List

    RS232C Control Spec. Page: 8 / 17 SR7400/8400 Document Version [1.00] 3-4. Command list 3-4-1. Normal Command list (Samples indicated the ID set to as ‘1’.) Command Character Sample POWER ON "@1AA”,0x0D POWER POWER OFF "@1AB",0x0D POWER(Toggle) "@1AC",0x0D "@1CA",0x0D "@1CB",0x0D "@1CD",0x0D...
  • Page 9 RS232C Control Spec. Page: 9 / 17 SR7400/8400 Document Version [1.00] MENU OFF "@1ZA",0x0D MENU MENU (OK) "@1ZB",0x0D CURSOL UP "@1ZC",0x0D CURSOL DOWN "@1ZD",0x0D CURSOL CURSOL LEFT "@1ZE",0x0D CURSOL RIGHT "@1ZF",0x0D FREQ. UP "@1PB",0x0D TUNER FREQUENCY FREQ. DOWN "@1PC",0x0D AUTO UP START/STOP "@1PD",0x0D...
  • Page 10 RS232C Control Spec. Page: 10 / 17 SR7400/8400 Document Version [1.00] STEREO "@1Ud",0x0D DTS-MODE "@1UV",0x0D SRS-MODE "@1UW",0x0D SOURCE DIRECT "@1UX",0x0D SURR. MODE NEXT “@1UY”,0x0D SURR. MODE PREV “@1UZ”,0x0D TEST TONE TEST TONE OFF "@1VA",0x0D TEST TONE ON "@1VB",0x0D NIGHT OFF "@1WA",0x0D...
  • Page 11 RS232C Control Spec. Page: 11 / 17 SR7400/8400 Document Version [1.00] Multi Room control commands as from MULTI ROOM Command Character Sample MULTI ROOM OFF "@1aA",0x0D MULTI ROOM MULTI ROOM ON "@1aB”,0x0D "@1cA",0x0D "@1cB",0x0D "@1cD",0x0D VCR1 "@1cE",0x0D AUX1 "@1cG",0x0D AUX2 "@1cH",0x0D...
  • Page 12 RS232C Control Spec. Page: 12 / 17 SR7400/8400 Document Version [1.00] Multi Room control commands as from MULTI ROOM Command Character Sample FREQ. UP "@1pB",0x0D TUNER FREQUENCY FREQ. DOWN "@1pC",0x0D AUTO UP START/STOP "@1pD",0x0D AUTO DOWN START/STOP "@1pE”,0x0D P-SCAN "@1qB",0x0D...
  • Page 13: Status Request And Status Answer List

    RS232C Control Spec. Page: 13 / 17 SR7400/8400 Document Version [1.00] 3-5. Status request and Status answer list 3-5-1. Normal Status request and Status answer list (Samples indicated the ID set to as ‘1’.) Request Status Char. & Sample Status answer Char.
  • Page 14 RS232C Control Spec. Page: 14 / 17 SR7400/8400 Document Version [1.00] (FM: 87.55 = “8755”) TUNER FREQUENCY ‘P’ (“@1?P”,0x0D) (FM:108.00 = “0800”) PAxxxx:(Not tuned+Freq.) (MW: 520=”0520”) PBxxxx:(Tuned+Freq.) TUNER FFREQUENCY FM:076.00-108.00 (LW:282=”0282”) AM,MW:520-1710 Frequency Scaning PC (“@1PC”,0x0D) LW:152-282 Not available P- (“@1P-“,0x0D) Preset No.
  • Page 15 ‘w’ (“@1?w”,0x0D) Not available * Description of CHANNEL STATUS answer character. (about : $%) (Character $ and % would be ‘0’ to ‘9’ or ‘A’ to ‘F’,it uses to as hex. bit data.) $ bit % bit When a bit of channel status is effective, it sets to 1.
  • Page 16 RS232C Control Spec. Page: 16 / 17 SR7400/8400 Document Version [1.00] FRONT LAGE “yA” ("@1?yA", 0x0D) FRONT SMALL CENTER LAGE “yB” ("@1?yB", 0x0D) CENTER SMALL CENTER OFF SUBWF ON “yC” ("@1?yC", 0x0D) SPEAKER SIZE SUBWF OFF SURR. LAGE “yD” ("@1?yD", 0x0D) SURR.
  • Page 17: Revision History

    RS232C Control Spec. Page: 17 / 17 SR7400/8400 Document Version [1.00] OSD Status MULTI OSD OFF ‘z’ (“@1?z”,0x0D) (Multi Room) MULTI OSD ON pAXXXX or pBXXXX TUNER FREQUENCY (FM:87.50 = “8750”) XXXX=076.00-108.00(FM) TUNER FREQUENCY (FM:108.00=”0800”) ‘p’ (“@1?p”,0x0D) =520-1710(AM,MW) (Multi Room) (MW: 520=”0520”)

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