Cambridge Audio Azur 540R V3 Supplementary Guide

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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:
Header
Command Command Command
Footer
Group Number Data
# 1 to 11 , 01 to 19 , XXXX CR
byte num: 1 1 1 2 1 XX 1

Cambridge Audio Azur 540R V3 Specifications

General

Amplifier Type	Class AB
Input Impedance	47 kOhms
Tuner Bands	AM/FM
HDMI Switching	Yes
HDMI Inputs	3
HDMI Outputs	1
Dimensions (W x H x D)	430 x 150 x 390 mm
Weight	12 kg
Total Harmonic Distortion	<0.03%
Signal-to-Noise Ratio	>90dB
Input Sensitivity	200 mV
Digital Audio Inputs	2 x Coaxial, 2 x Optical
Analog Audio Inputs	6
Outputs	Subwoofer
Video Inputs	3 Composite
Video Outputs	1 Composite