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Command Description
#ACH? channel query
The device should return a value between 0 and maxInput (incl). A value of 0 indicates the device is in mixed
channels mode, where all input channels are mixed together for output. The return string should be terminated by a
carriage-return (hex value 0d).
Command Description
#ACHn set volume
n a decimal value between 0 and maxInput (incl), which sets the
current active input channel (the one passed to the output).
Not all devices support setting the input channel, and for those that do, the maxInput value will vary (often it is 3 or
4). In addition, not all devices will support the mixed channels setting (value 0).
Command Description
#ACR reverse one channel setting
This command decreases the channel by one to the next available channel. If the current setting is the minimum one,
it will cycle to the maximum available setting.
Command Description
#ACF forward one channel setting
This command increases the channel by one to the next available channel. If the current setting is the maximum one,
it will cycle to the minimum available setting.