Validates the Protocol 3000 connection and gets the machine number
Step-in master products use this command to identify the availability of a device
Set audio in video embedding status
Get audio in video embedding status
Set/Get: ~nn@AUD-EMB␠in,out,status␍␊
in - audio input to be embedded number (1… max number of inputs)
out - video output to embed into number (1 ... max number of outputs)
status – 0 - Analog.1 - Embedded, 2 - Auto
Response is sent to the com port from which the Set (before execution)/Get command was received
After execution, response is sent to all com ports if AUD-EMB was set by any other external control
device (button press, device menu and similar)