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Cambridge Audio Azur 540R V3 Supplementary Manual
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Cambridge Audio Azur 540R V3 Supplementary Manual

Serial control protocol v1.0
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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:
Command
Header
Group
#
1 to 11
byte num:
1
1
Gallery Court, Hankey Place, London SE1 4BB England Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233 Web: www.cambridge-audio.com
Command
Command
Number
Data
,
01 to 19
,
XXXX
1
2
1
XX
Footer
CR
1

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Summary of Contents for Cambridge Audio Azur 540R V3

  • Page 1 Azur 540R v3 Serial Control Protocol V1.0 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.

  • Page 2: Command Groups

    Command Groups Commands are split into the following groups: Command Command Description Group Amplifier Commands Source Commands Tuner Commands Audio Processing Commands Version Commands Replies from Amplifier Commands Replies from Source Commands Replies from Tuner Commands Replies from Audio Processing Commands Replies from Version Commands Error Messages...
  • Page 3 Commands and Messages 1.3.1 Group 1 - Amplifier Commands Command Command Description Number Power State Volume Up Volume Down Bass Up Bass Down Treble Up Treble Down Sub On Sub Off Set LFE trim Mute State Dynamic Range Set OSD On OSD Off OSD Up OSD Down...
  • Page 4 1.3.2 Group 2 - Source Commands Command Command Description Number Input Select Input Select Up Input Select Down Set input mode Gallery Court, Hankey Place, London SE1 4BB England Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233 Web: www.cambridge-audio.com Command Data 1 - DVD, 2 - Video 1, 3-Tuner, 4 - Video2, 5 - Video3, 6 - Tape/MD/CDR, 7 - CD/Aux,...
  • Page 5 1.3.3 Group 3 – Tuner Commands Command Command Description Number Tuner Stereo/Mono Frequency Up Frequency down Down Tuner Mode Tuner Search Stop Tuner Auto Search Tuner Band Tuner PTY select Store Station Get Preset Tuner Display mode Get Frequency Get Station name Get PTY Stop PTY Select Gallery Court, Hankey Place, London SE1 4BB England Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233 Web: www.cambridge-audio.com...
  • Page 6 1.3.4 Group 4 - Audio Processing Commands Command Command Description Number Set Audio to Stereo Set PLII/Neo Set DD/DTS Get Current PLII/Neo/DSP mode Get current DD/DTS mode Set DSP 1.3.4 Group 5 - Version Commands Command Command Description Number Get Main Software Version Get Protocol Version Gallery Court, Hankey Place, London SE1 4BB England Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233 Web: www.cambridge-audio.com Command Data...
  • Page 7 1.3.6 Group 6 - Replies from Amplifier Commands Command Command Description Number Power State Volume Up Volume Down Bass Up Bass Down Treble Up Treble Down Sub On Sub Off Set LFE trim Mute State Dynamic Range Set OSD On OSD Off OSD Up OSD Down...
  • Page 8 1.3.7 Group 7 - Replies from Source Commands Command Command Description Number Input Select Input Select Up Input Select Down Set input mode Gallery Court, Hankey Place, London SE1 4BB England Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233 Web: www.cambridge-audio.com Command Data 1 - DVD, 2 - Video 1, 3-Tuner, 4 - Video2, 5 - Video3, 6 - Tape/MD/CDR, 7 - CD/Aux,...
  • Page 9 1.3.8 Group 8 - Replies from Tuner Commands Command Command Description Number Tuner Stereo/Mono Frequency Up Frequency down Down Tuner Mode Tuner Search Stop Tuner Auto Search Tuner Band Tuner PTY select Store Station Get Preset Tuner Display mode Get Frequency Get station name Get PTY Stop PTY Select...
  • Page 10 1.3.9 Group 9 - Replies from Audio Processing Commands Command Command Description Number Set Audio to Stereo Set PLII/Neo/DSP DD/DTS Get current PLII/Neo/DSP mode Get current DD/DTS mode 1.4.0 Group 10 - Replies from Version Commands Command Command Description Number Get Main Software Version Protocol Version Gallery Court, Hankey Place, London SE1 4BB England Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233 Web: www.cambridge-audio.com...
  • Page 11 Command Data 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 change without prior notice. If you notice any errors please feel free to email us at: support@cambridgeaudio.com. This document contains proprietary information protected by copyright. All rights are reserved.