Grass Valley Maestro Master Control Reference Manual v.2.4.0 - Manual (Page 70)

70 MAESTRO — Automation Interface Protocol Technical Reference Manual
Section 4 — Definition of Supported Saturn Commands
SEL_2KEY (Select key 2 bus source)
Hex definition Mnemonic
51 SEL_2KEY
Command format:
SEL_2KEY
Query format:
READ SEL_2KEY
Reply format:
IFRE SEL_2KEY
Use applicable with UPDATE:
Yes
Argument definitions:
<
key src>
B7 = Must be set for key selection and PST key enable in commands. Indicates key is on PST for
replies.
B6 = Must be set for key selection and PGM key enable in commands. Indicates key is on PGM for
replies.
B5 = Indicates key is to be removed from both PST and PGM in commands. Don't care for replies.
B4 = Key 4 (not used by Saturn)
B3 = Key 3 (not used by Saturn)
B2 = Key 2 (not used by Saturn)
B1 = Key 1 (not used by Saturn)
B0 = Key 0 (Saturn Key 1/Key 2 In/Next)
Maestro applicability:
As stated