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
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
