Grass Valley Maestro Master Control Reference Manual v.2.4.0 - Manual (Page 88)

88 MAESTRO — Automation Interface Protocol Technical Reference Manual
Section 4 — Definition of Supported Saturn Commands
VID_1KEY (Set Key 1 source and parameters)
Hex definition Mnemonic
4A VID_1KEY
Command format:
VID_1KEY
Query format:
READ VID_1KEY
Reply format:
IFRE VID_1KEY
Use applicable with UPDATE:
Yes
Argument definitions:
<
key type> = 0, 3, 5, 6
0 = Key Type NOP IF_NULL
3 = Self Key K_SELF
5 = External Key K_EXT
6 = Chroma Key (not used by Saturn)
<key mod> = 0, 1, 2, 8
0 = Key Modifier NOP IF_NULL
1 = Normal KSNORM
2 = Shadow KSSHAD
8 = Border (not used by Saturn)
<ign> = 0-255
Value ignored by Saturn.
<matte mod> = 0, 2-3
0 = Key Matte NOP IF_NULL
2 = Matte Off IF_OFF
3 = Matte On IF_ON
Maestro applicability:
2 (Shadow) not presently supported.