Onkyo - Txds989-Rs232-Codes[1] 电路图.pdf
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1、ONKYO RS232 Control System ONKYO RS232 CONTROL SYSTEM For TX-DS989 Version 1.02 Updated July 7, 2000 1.Control Interface Overview The manual for the TX-DS989/DTR-9.1/RDC-7 should also be used with this document to understand how this protocol can be used the TX-DS989/DTR-9.1/RDC-7. - 1 - RadioFans.C
2、N 收音机爱 好者资料库 ONKYO RS232 Control System 1.1.HARDWARE OVERVIEW 3 wire RS-232C protocol 9 pin female D type connector pin 2 = transmit, pin 3 = receive, pin 5 = signal ground Communication Parameters 9600 baudno parity 8 data bitsno xon/xoff 1 stop bit 1.2.MESSAGE OVERVIEW Receive Message Format 1st2n
3、d3rd-5th6th-last !1PWRQSTNCR CRorLF orCRLF Note : The Interval Time Receiving the message need to take more than 50msec. Send Message Format 1st2nd3rd-5th6th-last !1PWR00EOF Special Character CRCarridge ReturnAscii Code 0 x0D LFLine FeedAscii Code 0 x0A EOFEnd Of FileAscii Code 0 x1A 1.3.COMMAND SET
4、 SUMMARY Power CommandPWR 5P Audio Muting CommandAMT 5P Master Volume CommandMVL 5P Input Selector CommandSLI 6P Rec Selector CommandSLR 6P Zone2 Selector CommandSLZ 6P Start Character Send to AV Receiver Character Command Characters Parameter Characters End Start Character Send to AV Receiver Chara
5、cter Command Characters Parameter Characters End - 2 - RadioFans.CN 收音机爱 好者资料库 ONKYO RS232 Control System Listening Mode CommandLMD 7P Late Night CommandLTN 7P Re-EQ/Academy CommandRAS 7P Tuning CommandTUN 8P Preset CommandPRS 8P RDS Information CommandRDS 8P PTY Scan CommandPTS 8P TP Scan CommandTP
6、S 8P Display Information CommandDIF 9P OSD Control CommandOSD 9P Dimmer Level CommandDIM 9P CD Control CommandCCD 10P TAPE1(A) Control CommandCT1 11P TAPE2(B) Control CommandCT2 11P - 3 - RadioFans.CN 收音机爱 好者资料库 ONKYO RS232 Control System 2.Communication Flow Description Question Message Question Me
7、ssage !1SLIQSTNCR Status Message !1SLI03EOF Command Message Command Message !1SLI03CR Status Message !1SLI03EOF Notification Status Message !1SLI03EOF HOST/Controller TX-DS989 DTR-9.1 RDC-7 TX-DS989 DTR-9.1 RDC-7 HOST/Controller TX-DS989 DTR-9.1 RDC-7 HOST/Controller Send a Question Message to the T
8、X-DS989/DTR-9.1/RDC-7 from the HOST to get the current system status. The TX-DS989/DTR-9.1/RDC-7 will respond with a status message. Send a Command Message to the TX-DS989/DTR-9.1/RDC-7 from the HOST to change the system status. The TX-DS989/DTR-9.1/RDC-7 will respond with a status message within 50
9、msec. If TX-DS989/DTR-9.1/RDC-7 does not respond within 50msec, the communication has failed. If user change the system status, the TX-DS989/DTR-9.1/RDC-7 will notify the HOST by sending the new current status. The TX-DS989/DTR-9.1/RDC-7 uses Question, Command and Notification messages to have commu
10、nicate with a given HOST. This protocol is designed for point to point communication between a HOST and the TX-DS989/DTR-9.1/RDC- 7. - 4 - ONKYO RS232 Control System 3.Command Descriptions System Power Command PWR Commands to set or get the system-power status Parameter List (Characters/Means) : 00s
11、ets the System Standby 01sets the System On QSTNgets the System Power Status Audio Muting Command AMT Commands to set or get the audio-muting status Parameter List (Characters/Means) : 00sets the Audio Muting Off 01sets the Audio Muting On QSTNgets the Audio Muting Status Master Volume Command MVL C
12、ommands to set or get the master volume status Parameter List (Characters/Means) : 00-64sets the Volume Level 0 - 100 ( In hexadecimal representation) UPsets the Volume Level Up DOWNsets the Volume Level Down QSTNgets the Volume Level - 5 - ONKYO RS232 Control System Input Selector Command SLI Comma
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