Shutter, Read - Barco Projector User Manual

Description :
Read the actual shutter position (OPTIONAL).
Command :
Command[0]
Command[1]
Data :
No data bytes.
Return data :
Data[0] = shutter position.
Closed
Open
Undetermined
Projector type :
Some projectors cannot determine wheather the shutter is
"Open" or "Closed". These projectors always return
"Undetermined".
Example :
Read the actual shutter position of a projector with address
\x01. Suppose the shutter is open.

shutter, read

\x21
\x42
Data[0]
\x00
\x01
\x02
399