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Azur 540R v3 Serial Control Protocol V1.0 

 
1.1 RS232 

Protocol 

 
The protocol is accessed via the RS232 protocol, i.e. a PC’s rear panel com port. 
 

Notes:

 

1) All data consists of ASCII bytes. 
2) Settings for RS232 comm port are 9600,N,8,1 with no handshaking. 
3) CR is carriage return, ASCII value 13 decimal. 
 
Command Packet Structure: 

 

 

Header

Command    

Command

  

Command

Footer

 

 

Group 

  

Number 

  

Data 

 

 

1 to 11 

01 to 19 

XXXX 

CR 

 

byte 

num: 

1 1 

2 1

XX 

 

 

Summary of Contents for Azur 540R V3

Page 1: ...Protocol The protocol is accessed via the RS232 protocol i e a PC s rear panel com port Notes 1 All data consists of ASCII bytes 2 Settings for RS232 comm port are 9600 N 8 1 with no handshaking 3 CR...

Page 2: ...plit into the following groups Command Group Command Description 1 Amplifier Commands 2 Source Commands 3 Tuner Commands 4 Audio Processing Commands 5 Version Commands 6 Replies from Amplifier Command...

Page 3: ...1 05 r Bass down 06 Treble Up No Data 1 06 r Treble up 07 Treble Down No Data 1 07 r Treble down 08 Sub On No Data 1 08 r Sub woofer on 09 Sub Off No Data 1 09 r Sub woofer Off 10 Set LFE trim 0 0db...

Page 4: ...Command Command Description Command Data Example Number 01 Input Select 1 DVD 2 Video 1 3 Tuner 4 Video2 2 01 02 r Select Video 1 5 Video3 6 Tape MD CDR 7 CD Aux 8 6 1 Direct In 02 Input Select Up No...

Page 5: ...p No Data 3 07 r Tuner search stop 08 Tuner Auto Search No Data 3 08 r Tuner auto search 09 Tuner Band 0 FM 1 AM 3 09 01 r tuner in AM mode 10 Tuner PTY select 1 News 2 Affairs 3 Info 4 Sport 5 Educat...

Page 6: ...o Data 4 02 r Cycles to next mode same as pressing PLII NEO button 03 Set DD DTS No Data 4 03 r Cycles to next mode same as pressing DD DTS button 04 Get Current PLII Neo DSP mode No Data 4 04 r 05 Ge...

Page 7: ...05 Bass Down 10 to 10 6 05 6 r Bass 6db 06 Treble Up 10 to 10 6 06 7 r treble 7db 07 Treble Down 10 to 10 6 07 7 r treble 7db 08 Sub On No Data 6 08 r Sub woofer on 09 Sub Off No Data 6 09 r Sub woof...

Page 8: ...mmands Command Command Description Command Data Example Number 01 Input Select 1 DVD 2 Video 1 3 Tuner 4 Video2 7 01 2 r Video 1 selected 5 Video3 6 Tape MD CDR 7 CD Aux 8 6 1 Direct In 02 Input Selec...

Page 9: ...01 r tuner in AM mode 10 Tuner PTY select 1 News 2 Affairs 3 Info 4 Sport 5 Educate 6 Drama 7 Culture 8 Science 9 Varied 10 Pop 11 Rock 12 MOR 13 Light 14 Classics 15 Other 16 Searching in progress 17...

Page 10: ...mode it s just switched to exactly as on front panel 03 DD DTS xxxxxxxx 9 03 Dolby Digital 2 0 r Describes the mode it s just switched to exactly as displayed on the front panel 04 Get current PLII Ne...

Page 11: ...ata error Information in this document has been carefully checked for accuracy however Cambridge Audio s policy is one of continuous improvement therefore design and specifications are subject to chan...

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