System Command Specifications; Power (0X00); Display Brightness (0X01) - Arcam SA20 Custom Installation Notes

System Command Specifications

Power (0x00)

Set/request the stand-by state of a zone.
Example
Command/response sequence to request the power state of the unit where
the unit has power on:
Command: 0x21 0x01 0x00 0x01 0xF0 0x0D
Response: 0x21 0x01 0x00 0x00 0x01 0x01 0x0D

Display brightness (0x01)

Set/request the brightness of the front panel display.
Example
Command/response sequence for requesting the brightness of the display
where the display is off:
Command: 0x21 0x01 0x01 0x01 0xF0 0x0D
Response: 0x21 0x01 0x01 0x00 0x01 0x00 0x0D
COMMAND:
Byte: Description:
St 0x21
Zn Zone number
Cc 0x00
Dl 0x01
Data 0x00 – Power off
0x01 – Power on
0x02 – Power toggle
0xF0 – Request power state
Et 0x0D
RESPONSE:
Byte: Description:
St 0x21
Zn Zone number
Cc 0x00
Ac Answer code
Dl 0x01
Data 0x00 – Zone is in standby
0x01 – Zone is powered on
Et 0x0D
COMMAND:
Byte: Description:
St 0x21
Zn Zone number
Cc 0x01
Dl 0x01
Data 0x00 – Set brightness to off
0x01 – Set brightness to dim
0x02 – Set brightness to full
0xF0 – Request display brightness
Et 0x0D
RESPONSE:
Byte: Description:
St 0x21
Zn Zone number
Cc 0x01
Ac Answer code
Dl 0x01
Data 0x00 – Display brightness is off
0x01 – Display brightness is dim
0x02 – Display brightness is full
Et 0x0D
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