Grass Valley Maestro Master Control Reference Manual v.2.4.0 - Manual (Page 77)

MAESTRO — Automation Interface Protocol Technical Reference Manual 77
SET_MIX (Set mixer related parameters)
SET_MIX (Set mixer related parameters)
Since the SET_AUDIO command allows modification of Saturn audio parameters on a per channel basis, the dio_bal> argument of SET_MIX will be ignored. This parameter was never implemented and is not consistent with man-
ual balance control, as it would affect all channels.
Hex definition Mnemonic
E1 SET_MIX
Command format:
SET_MIX <unused>
Query format:
READ SET_MIX
Reply format:
IFRE SET_MIX <unused>
Use applicable with UPDATE:
Yes
Argument definitions:
<
mixer> = 5, 6
Specifies the mixer affected by the command.
5 = Mixer 1 D_MIX1
6 = Mixer 2 D_MIX2
<audio src> = 00, 01-FF (hex, one byte)
Specifies the audio source to assign to the mixer, or report the current assignment on a reply.
00 = Audio source NOP IF_NULL
01-FF = Input source numbers 1 through 255 (list sources with autoXptSelectionShow pROBE com-
mand).
<key mix bus> = 00, 40, 60, 70, 80, A0, C0 (hex, one byte)
Controls mix selection or reports on mix selection on a reply.
B7 =
Must be set for key/mix selection and PST key/mix enable in commands. Indicates key/mix is on PST
for replies.
B6 = Must be set for key/mix selection and PGM key/mix enable in commands. Indicates key/mix is on PGM
for replies.
B5 =
Indicates key is to be removed from busses indicated by B7 & B6. Don't care for replies.
B4-B0 = Reserved
<audio ratio> = 00, 01-FD, FE-FF (hex, one byte)
Specifies the audio ratio to on all audio channels, or reports the current ratio of CH1/2 on a reply.
00 = Audio Ratio NOP IF_NULL
01-FD= Audio ratio linearly corresponding to -18.0 dB through 18.0 dB. Mixer ratios change in 0.365 (3/8) dB