Grass Valley Maestro Master Control Reference Manual v.2.4.0 - Manual (Page 109)

MAESTRO — Automation Interface Protocol Technical Reference Manual 109
MAESTRO_AUDIO_MIXER_SOURCE_REQUEST (Take Crosspoint to a Mixer)
MAESTRO_AUDIO_MIXER_SOURCE_REQUEST
(Take Crosspoint to a Mixer)
Hex definition Mnemonic
60 MAESTRO_AUDIO_MIXER_SOURCE_REQUEST
Command format:
< PREAMBLE > MAESTRO_AUDIO_MIXER_SOURCE_REQUEST
Command notes:
If a Mixer is is selected on Program or Preset, attempting to assign a different source will not be allowed and will fail.
Query format:
READ < PREAMBLE > MAESTRO_AUDIO_MIXER_SOURCE_REQUEST
Reply format:
IFRE < PREAMBLE > MAESTRO_AUDIO_MIXER_SOURCE_REQUEST
Use applicable with UPDATE:
Yes
Argument definitions:
<audioMixer> = 1-4
1 = Audio Mixer 1 AUDIO_MIXER_01
2 = Audio Mixer 2 AUDIO_MIXER_02
3 = Audio Mixer 3 AUDIO_MIXER_03
4 = Audio Mixer 4 AUDIO_MIXER_04
<source> = (2 bytes, MSB first) automation input 1-65535 or 0 to Unassign source
<groupMask> = 4 bytes (Most Significant Bit first)
Bit 0 = VIDEO VIDEOGROUP
1 = Audio Group 1 AUDIOGROUP1
2 = Audio Group 2 AUDIOGROUP2
...
15 = Audio Group 15 AUDIOGROUP15
16 = Audio Group 16 AUDIOGROUP16