Cambridge Audio Azur 640R Manual

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

Azur 640R Serial Control Protocol V1.13

1.1 RS232 Protocol

The protocol is accessed via COM1 i.e. the rear panel RS232C port.

Command Command Command

Notes:

Header Group Number Data Footer

1) All data consists of ASCII bytes.

# 1 to 11 , 01 to 19 , XXXX CR

2) Settings for RS232 comm port are 9600,N,8,1 with no handshaking.

byte num: 1 1 1 2 1 XX 1

3) CR is carriage return, ASCII value 13 decimal.

1.2 Command Groups

Commands are split into the following groups:

Command

Group Description

1 Amplifier Commands

2 Source Commands

3 Tuner Commands

Audio Processing

Commands

5 Version Commands

6 Replies from Amplifier Commands

7 Replies from Source Commands

8 Replies from Tuner Commands

9 Replies from Audio Processing Commands

10 Replies from Version Commands

11 Error Messages

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

1.4 Commands and Messages

1.4.1 Group 1 - Amplifier Commands

Command

Number Command Description Command Data Example

01 Power State 0 - Standby, 1 - On #1,01,0\r - Put 640R in standby

02 Volume Up No Data #1,02\r - Volume up

03 Volume Down No Data #1,03\r -Volume down

04 Bass Up No Data #1,04\r - Bass up

05 Bass Down No Data #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, 1 = -1db… -10 = -10dB #1,10, 03\r - LFE trim set to -3dB

11 Mute State 00 - Off, 01 - On #1,11,00\r - 640R mute off

12 Dynamic Range Set 0 - 0/4, 1 - 1/4, 2 - 2/4, 3 - 3/4, 4 - 4/4 #1,12, 02\r - Set dynamic range limit to 2/4

13 OSD On No Data #1,13\r - OSD On

14 OSD Off No Data #1,14\r - OSD Off

15 OSD Up No Data #1,15\r - OSD up

16 OSD Down No Data #1,16\r - OSD down

17 OSD Left No Data #1,17\r - OSD Left

18 OSD Right No Data #1,18\r - OSD Right

19 OSD Enter No Data #1,19\r - OSD Enter

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

1.4.2 Group 2 - Source Commands

Command

Number Command Description Command Data Example

01 Input Select #2,01,02\r - Select Video 1

00 = Tuner, 01 - DVD, 02 - Video 1, 03 -

Video 2, 04 - Video3, 05 - Rec 1,06 - Aux,

07 - CD, 08 - Rec 2, 09 - ####, 10 - 7.1

Direct In

02 Input Select Up No Data #2,02\r - Next input up

03 Input Select Down No Data #2,03\r -Next input down

04 Set input mode 00 - analogue, 01 - Digital #2,04,01\r - digital source selected

05 Set Video Source 0 - S Video, 1 - Component, 2 - Composite #2,05,01\r - Component video source

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

1.4.3 Group 3 – Tuner Commands

Command

Number Command Description Command Data Example

01 Tuner Stereo/Mono 0 - Stereo, 1 = Mono #3,01,01\r - tuner in mono

02 Frequency Up No Data #3,02\r - Frequency up

03 Frequency down No Data #3,03\r - Frequency down

04 Up No Data #3,04\r - Tuner up

05 Down No Data #3,05\r - Tuner down

06 Tuner Mode #3,06,03\r - Tuner up/down control presets

1 - Frequency up/down, 2 - search

up/down, 3 - Preset up/down

07 Tuner Search Stop 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-

Educate, 6-Drama, 7-Culture, 8-Science, 9-

Varied, 10-Pop, 11-Rock, 12-MOR, 13-

Light, 14-Classics, 15-Other #3,10,11\r - PTY Rock selected

11 Store Station 1 - preset 1, 2 - preset 2, ….. 15 - preset 15 #3,11,12\r - Store current frequency in preset 12

12 Get Preset 1 - preset 1, 2 - preset 2, ….. 15 - preset 15 #3,12,6\r - Set tuner to preset 6

13 Tuner Display mode #3,13, 04\r - Display in clock time mode

1-Frequency, 2-Program name, 3-Program

Type, 4-Clock time, 5-Radiotext

14 Get Frequency No Data #3,14\r

15 Get Station name No Data #3,15\r

16 Get PTY No Data #3,16\r

17 Stop PTY Select No Data #3,17\r

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

1.4.4 Group 4 - Audio Processing Commands

Command

Number Command Description Command Data Example

01 Set Audio to Stereo 00 = Stereo, 01 = Stereo+ SW #4,01,01\r - Audio set to stereo mode plus sub

02 Set PLII/Neo/DSP No Data

#4,02\r - cycles to next mode (same as

pressing the PLII/Neo/DSP button)

03 DD/DTS No Data

#4,03\r - cycles to next mode (same as

pressing the DD/DTS button)

Get current PLII/Neo/DSP

mode No Data #4,04,\r

05 Get current DD/DTS mode No Data #4,05\r

1.4.5 Group 5 - Version Commands

Command

Number Command Description Command Data Example

01 Get Main Software Version No Data #5,01,\r - Get software version

02 Get Protocol Version No Data #5,02,\r - 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

1.4.6 Group 6 - Replies from Amplifier Commands

Command

Number Command Description Command Data Example

01 Power State 0 - Standby, 1 - On #6,01,0\r - Put 640R in standby

02 Volume Up

-90 to 00 (where -90 = mute, 00 = max

volume #6,02,-16\r - Vol = -16dB

03 Volume Down

-90 to 00 (where -90 = mute, 00 = max

volume #6,03,-16\r - Vol = -16dB

04 Bass Up -10 to 10 #6,04,-6\r - Bass = -6db

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 woofer off

10 Set LFE trim 0 = 0db, 1 = -1db… -10 = -10dB #6,10, 03\r - LFE trim set to -3dB

11 Mute State 0 - Off, 1 - On #6,11,00\r - 640R mute off

12 Dynamic Range Set 0 - 0/4, 1 - 1/4, 2 - 2/4, 3 - 3/4, 4 - 4/4 #6,12, 02\r - Set dynamic range limit to 2/4

13 OSD On No Data #6,13\r - OSD On

14 OSD Off No Data #6,14\r - OSD Off

15 OSD Up No Data #6,15\r - OSD up

16 OSD Down No Data #6,16\r - OSD down

17 OSD Left No Data #6,17\r - OSD Left

18 OSD Right No Data #6,18\r - OSD Right

19 OSD Enter No Data #6,19\r - OSD Enter

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

1.4.7 Group 7 - Replies from Source Commands

Command

Number Command Description Command Data Example

01 Input Select

1 - DVD, 2 - Video 1, 3 - Video 2, 4 -

Video3, #7,01,2\r - Video 1 selected

5 - Rec 1, 6 - Aux, 7 - CD, 8 - Rec 2,

9 - Tuner, 10 - 7.1 Direct In

02 Input Select Up No Data #7,02\r - Next input up

03 Input Select Down No Data #7,03\r -Next input down

04 Set input mode 0 - analogue, 1 - Digital #7,04,01\r - digital input selected

05 Set Video Source 0 - S Video, 1 - Component, 2 - Composite #7,05,02\r - Composite video source selected

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

1.4.8 Group 8 - Replies from Tuner Commands

Command

Number Command Description Command Data Example

01 Tuner Stereo/Mono 0 - Stereo, 1 = Mono #8,01,01\r - tuner in mono

02 Frequency Up No Data #8,02\r - Frequency up

03 Frequency down No Data #8,03\r - Frequency down

04 Up 1 - command complete, 2 - tuner searching #8,04,02\r - Tuner searching

05 Down 1 - command complete, 2 - tuner searching #8,05,01\r - Tuner down executed

06 Tuner Mode #8,06,03\r - Tuner up/down control presets

1 - Frequency up/down, 2 - search

up/down, 3 - Preset up/down

07 Tuner Search Stop xxx.xx #8,07,09525\r - Current frequency is 95.25MHz

08 Tuner Auto Search No Data #8,08\r - Tuner auto search

09 Tuner Band 0 - FM, 1 = AM #8,09,01\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-Search failed #8,10,11\r - PTY Rock selected

11 Store Station 1 - preset 1, 2 - preset 2, ….. 15 - preset 15 #8,11,12\r - Store current frequency in preset 12

12 Get Preset 1 - preset 1, 2 - preset 2, ….. 15 - preset 15 #8,12,6\r - Set tuner to preset 6

13 Tuner Display mode #8,13, 04\r - Display in clock time mode

1-Frequency, 2-Program name, 3-Program

Type, 4-Clock time, 5-Radiotext

14 Tuner Display mode #8,14, 04\r - Display in clock time mode

1-Frequency, 2-Program name, 3-Program

Type, 4-Clock time, 5-Radiotext

14 Get Frequency xxx.xx #8,14,09525\r - Current frequency is 95.25MHz

15 Get station name xxxxxxxx

#8,15,Radio666\r - Current station name is

Radio666. If no RDS station name availible,

return with string of stars, i.e. ********

16 Get PTY

0-No Pty,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 #8,16,11\r - Current PTY is Rock Music

17 Stop PTY Select No Data #8,17\r

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

1.4.9 Group 9 - Replies from Audio Processing Commands

Command

Number Command Description Command Data Example

01 Set Audio to Stereo 00 = Stereo, 01 = Stereo+ SW #9,01,01\r - Audio set to stereo mode plus sub

02 Set PLII/Neo/DSP xxxxxxxx

#9,02, PCM + PLIIx Movie \r - Describes the

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

Get current PLII/Neo/DSP

mode xxxxxxxx

#9,04, PCM + PLIIx Movie \r - Describes the

current mode

05 Get current DD/DTS mode xxxxxxxx

#9,05, Dolby Digital (2/0) \r - Describes the

current mode

1.4.10 Group 10 - Replies from Version Commands

Command

Number Command Description Command Data Example

01 Get Main Software Version X.X #10,01,1.2\r - Software is version 1.2

02 Protocol Version X.X #10,03,1.6\r - Protocol is version 1.6

1.4.11 Group 11 - Error Messages

Command Command Description Command Data Example

Number

01 Command Group Unknown No Data #5,01,\r - Command group error

Command Number in Group

Unknown No Data #5,02,\r - Command number error

03 Command Data Error No Data #5,03,\r - 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. No part of this document may be reproduced by any mechanical, electronic or other means, in any form, without prior written permission of the manufacturer. © Copyright

Cambridge Audio Ltd 2007

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