Grass Valley Maestro Master Control Reference Manual v.2.4.0 - Manual (Page 95)

MAESTRO — Automation Interface Protocol Technical Reference Manual 95
VID_SYNC (Video sync status)
VID_SYNC (Video sync status)
Hex definition Mnemonic
49 VID_SYNC
Command format:
Illegal
Query format:
READ VID_SYNC
Reply format:
IFRE VID_SYNC <sync bits>
Use applicable with UPDATE: No
Argument definitions:
<
sync bits>
B7 = PST & Internal Black in sync
B6 = PST & KEY in sync
B5 = PGM & PST in sync
B4 = PGM & KEY in sync
B3 = PGM video present
B2 = PST video present
B1 = reserved
B0 = reserved
Maestro applicability:
As stated