Cambridge Audio Azur 640R Supplementary Guide

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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
4
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

Cambridge Audio Azur 640R Specifications

General

Brand	Cambridge Audio
Model	Azur 640R
Category	Receiver
Language	English