Barco Projector User Manual page 72

Read the status and position of the cursor of the 2 line
LCD of a projector with address \x01. Suppose the cursor
is on, blinks and is positioned at location (4, 0).
Transmit
Start
Projector address
Command[0]
Command[1]
Checksum
Stop
Receive (acknowledge)
Start
Projector address
Command[0]
Command[1]
Checksum
Stop
Receive (answer)
Start
Projector address
Command[0]
Command[1]
Data[0]
Data[1]
Data[2]
Data[3]
Checksum
Stop
2 line LCD, read cursor
\xfe
\x01
\x7a
\x03
\x7e
\xff
\xfe
\x01
\x00
\x06
\x07
\xff
\xfe
\x01
\x7a
\x03
\x04
\x00
\x01
\x01
\x84
\xff
72