Grass Valley Maestro Master Control Reference Manual v.2.4.0 - Manual (Page 134)

134 MAESTRO — Automation Interface Protocol Technical Reference Manual
Section 5 — Definition of Extended Maestro Commands
MAESTRO_TAKE_BLACK
Hex definition Mnemonic
0x44 MAESTRO_TAKE_BLACK
Command format:
MAESTRO_TAKE_BLACK
Query format:
N/A
Reply format:
See MAESTRO_TRANSITION_STATE
Use applicable with UPDATE:
No
Argument definitions:
<toFrom> =
1 = Take to Black MAESTRO_TO
2 = Take from Black MAESTRO_FROM
<requestedTransitionTimecode> (four BCD bytes or set all four bytes to FF for immediate Transition) =
0-23 HH = packed BCD Hours
0-59 MM = packed BCD Minutes
0-59 SS = packed BCD Seconds
0-29 FF = packed BCD Frames
Usage notes:
The requested Transition Time Code can be up to 12 hours in the future. A requested Time Code that is 12 hours or more
in the future will result in an immediate Transition.