Grass Valley Maestro Master Control Reference Manual v.2.4.0 - Manual (Page 172)

172 MAESTRO — Automation Interface Protocol Technical Reference Manual
Section 6 — Examples
Maestro Command Sequence Example
CS = Checksum
All values in hexadecimal e.g. 42 is 0x42
Automation: 02 0A FF 01 00 01 61 05 00 42 00 00 CS Keyer Source Request
Transaction Queue 01
Command ID 00 01
Keyer 05
Fill Source 0x42
Cut Source NOP
Maestro: 04 ACK
Automation: 09 TEN
Maestro: 05 NAK
Automation: 09 TEN
Maestro: 05 NAK
. . .
Automation: 02 07 22 FF 01 00 02 61 05 CS Keyer Source Query
Command ID 00 02
Maestro: 04 ACK
Automation: 09 TEN
Maestro: 02 0B 23 FF FF 00 02 61 05 00 42 00 00 CS Response to Query
1
Automation: 04 ACK
. . .
Automation: 02 08 FF 01 00 03 30 05 01 00 CS Select Keyer
Keyer 05 on PST
Maestro: 04 ACK
Automation: 09 TEN
Maestro: 05 NAK
Automation: 09 TEN
Maestro: 05 NAK
Automation: 02 08 22 FF 01 00 04 30 05 00 CS Select Keyer Query
Command ID 00 04
. . .
Maestro: 04 ACK
Automation: 09 TEN
Maestro: 02 09 23 FF FF 00 04 30 05 01 00 CS Response to Query 2
Automation: 04 ACK
. . .
Automation: 02 06 FF 01 00 05 42 02 CS Transition Next
Downsteam Next Type
Command ID 00 05
Maestro: 04 ACK
1.
The Command ID [is] was set to “00 01” in releases prior to v1.5. Starting with v1.5, the Command ID field is set to match what
was received in the prior Automation Command; in this example, “00 02.”
2. See Note 1. In this example, the Command ID is “00 04.”