Cambridge audio AZUR 650R User Manual

Azur 650R Serial Control Protocol V1.0

1.1 RS232 Protocol

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

# 1 to 11 , 01 to 19 , XXXX CR

byte num: 1 1 1 2 1 XX 1

Header

1.2 Hardware

Command Command Command

Group Number Data

Footer

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.

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Pin
Number

2 RX – Serial data receive pin (serial data received by 650R on this pin)
3 TX – Serial data transmit pin (serial data transmitted by 650R on this pin)
5 Ground

Description

1.3 Command Groups

Commands are split into the following groups:

Command
Group

1 Amplifier Commands
2 Source Commands
3 Tuner Commands

4
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

Description

Audio Processing
Commands

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1.4 Commands and Messages

1.4.1 Group 1 - Amplifier Commands

Command
Number

01 Power State 0 - Standby, 1 - On #1,01,0\r - Put 650R 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 - 650R 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
20 Lip Sync Up No Data #1,20\r - Lip Sync Up
21 Lip Sync Down No Data #1,21\r - Lip Sync Down

Command Description Command Data Example

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1.4.2 Group 2 - Source Commands

Command
Number

01 Input Select

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 audio source for input 00 - analogue, 01 - Digital, 02 - HDMI #2,04,01\r - digital source selected

05 Set video source for input 00 - S Video, 01 - Component,

Command Description Command Data Example

00 = Tuner, 01 – BD/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 - Composite, 03 - HDMI

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

#2,05,01\r - Component video source

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r

1.4.3 Group 3 – Tuner Commands

Command
Number

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

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
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

14 Get Frequency No Data #3,14\r
15 Get Station name No Data #3,15\r
16 Get PTY No Data #3,16\
17 Stop PTY Select No Data #3,17\r

Command Description Command Data Example

1 - Frequency up/down, 2 - search
up/down, 3 - Preset up/down

1- News, 2-Affairs, 3-Info, 4-Sport, 5­Educate, 6-Drama, 7-Culture, 8-Science, 9­Varied, 10-Pop, 11-Rock, 12-MOR, 13­Light, 14-Classics, 15-Other #3,10,11\r - PTY Rock selected

1-Frequency, 2-Program name, 3-Program
Type, 4-Clock time, 5-Radiotext

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

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

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1.4.4 Group 4 - Audio Processing Commands

Command
Number

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

03 DD/DTS No Data

04
05 Get current DD/DTS mode No Data #4,05\r

Command Description Command Data Example

#4,02\r - cycles to next mode (same as
pressing the PLII/Neo/DSP button)

#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

1.4.5 Group 5 - Version Commands

Command
Number

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

Command Description Command Data Example

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1.4.6 Group 6 - Replies from Amplifier Commands

Command
Number

01 Power State 0 - Standby, 1 - On #6,01,0\r - Put 650R in standby

02 Volume Up

03 Volume Down
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 - 650R 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
20 Lip Sync Up No Data #6,20,50\r - Lip Sync decreased to 50ms
21 Lip Sync Down No Data #6,21,50\r - Lip Sync increased to 50ms

Command Description Command Data Example

-90 to 00 (where -90 = mute, 00 = max
volume #6,02,-16\r - Vol = -16dB

-90 to 00 (where -90 = mute, 00 = max
volume #6,03,-16\r - Vol = -16dB

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1.4.7 Group 7 - Replies from Source Commands

Command
Number

01 Input Select
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 audio source for input 0 - analogue, 1 - Digital, 2 - HDMI #7,04,01\r - digital input selected

05 Set video source for input 0 - S Video, 1 - Component, 2 - Composite,

Command Description Command Data Example

1 - BD/DVD, 2 - Video 1, 3 - Video 2,
4 - Video3, #7,01,2\r - Video 1 selected

#7,05,02\r - Composite video source selected

3 - HDMI

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1.4.8 Group 8 - Replies from Tuner Commands

Command
Number

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

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
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

14 Tuner Display mode

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

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

Command Description Command Data Example

1 - Frequency up/down, 2 - search
up/down, 3 - Preset up/down

1- News, 2-Affairs, 3-Info, 4-Sport, 5­Educate, 6-Drama, 7-Culture, 8-Science, 9­Varied, 10-Pop, 11-Rock, 12-MOR, 13­Light, 14-Classics, 15-Other, 16-Searching
in progress, 17-Search failed #8,10,11\r - PTY Rock selected

1-Frequency, 2-Program name, 3-Program
Type, 4-Clock time, 5-Radiotext

1-Frequency, 2-Program name, 3-Program
Type, 4-Clock time, 5-Radiotext

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, 13­Light, 14-Classics, 15-Other #8,16,11\r - Current PTY is Rock Music

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

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

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

#8,15,Radio666\r - Current station name is
Radio666. If no RDS station name availible,
return with string of stars, i.e. ********

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1.4.9 Group 9 - Replies from Audio Processing Commands

Command
Number

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

03 DD/DTS xxxxxxxx

04

05 Get current DD/DTS mode xxxxxxxx

Command Description Command Data Example

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

mode it's just switched to exactly as on front

panel

#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

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

current mode

1.4.10 Group 10 - Replies from Version Commands

Command
Number

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

Command Description Command Data Example

1.4.11 Group 11 - Error Messages

Command
Number

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

02
03 Command Data Error No Data #5,03,\r - Command data error

Command Description Command Data Example

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

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