Arcam AVR550 Custom Installation Notes

11
Output Command Specifications
Set/Request Volume (0x0D)
Set or request the volume of a zone.
is command returns the volume even if the zone requested is in mute. e
“Request Mute status” command can be used to discover if the zone is muted.
Response data format:
e.g. for volume 42dB: Data1=0x2A (42)
Example
Command/response sequence for setting the volume in Zone 1 to 45dB:
Command: 0x21 0x01 0x0D 0x01 0x2D 0x0D
Response: 0x21 0x01 0x0D 0x00 0x01 0x2D 0x0D
COMMAND:
Byte: Description:
St 0x21
Zn Zone number
Cc 0x0D
Dl 0x01
Data 0x00 (0) – 0x63 (99) – Set the volume
0xF0 – Request the current volume
Et 0x0D
RESPONSE:
Byte: Description:
St 0x21
Zn Zone number
Cc 0x0D
Ac Answer code
Dl 0x01
Data1 Zone volume, integer value:
0x00 (0) – 0x63 (99)
Et 0x0D
Request Mute status (0x0E)
Request the mute status of the audio in a zone.
Example
Command/response sequence to request the mute status of zone 1 where zone
1 is muted:
Command: 0x21 0x01 0x0E 0x01 0xF0 0x0D
Response: 0x21 0x01 0x0E 0x00 0x01 0x00 0x0D
COMMAND:
Byte: Description:
St 0x21
Zn Zone number
Cc 0x0E
Dl 0x01
Data 0xF0 – Request mute status
Et 0x0D
RESPONSE:
Byte: Description:
St 0x21
Zn Zone number
Cc 0x0E
Ac Answer code
Dl 0x01
P2 0x00 – Zone is muted
0x01 – Zone is not muted
Et 0x0D
Request direct mode status (0x0F)
Request the direct mode status on Zone 1.
Example
Command/response sequence to request the Direct mode status in zone 1
where the mode is direct:
Command: 0x21 0x01 0x0F 0x01 0xF0 0x0D
Response: 0x21 0x01 0x0F 0x00 0x01 0x01 0x0D
COMMAND:
Byte: Description:
St 0x21
Zn 0x01
Cc 0x0F
Dl 0x01
Data 0xF0 – Request mode setting
Et 0x0D
RESPONSE:
Byte: Description:
St 0x21
Zn 0x01
Cc 0x0F
Ac Answer code
Dl 0x01
Data 0x00 – ‘Direct mode’ is off
0x01 – ‘Direct mode’ is on
Et 0x0D

Arcam AVR550 Specifications

General

Receiver type	Surround
Frequency range	20 - 20000 Hz
Audio output channels	7.1 channels
Signal-to-Noise Ratio (SNR)	110 dB
Power output per channel (20-20KHz@8 Ohm)	- W
HDMI in	7
Ethernet LAN (RJ-45) ports	1
Number of HDMI outputs	3
AirPlay	No
Audio decoders	DTS-ES (Discrete 6.1), DTS-ES (Matrix 6.1), DTS-HD Master Audio
Audio Return Channel (ARC)	Yes
Apple docking compatibility	Not supported
Power consumption (standby)	0.5 W
Power consumption (typical)	1500 W
Supported radio bands	DAB, DAB+, FM
Internet radio services supported	Spotify
12V trigger ports quantity	2
Speakers connectivity type	-
Package weight	18800 g

Weight and Dimensions

Depth	425 mm
Width	433 mm
Height	171 mm
Weight	15500 g