Sample messages for querying a projector
Messages to query a list, enabled state, and minimum/maximum values can be sent and received for a
projector.
Options
Function
Example
Query a list
QUERY test pattern options
(ITP?L)
REPLY test pattern options
(ITP!L001 001 00000 "Off")
(ITP!L001 001 00001 "Grid")
(ITP!L001 001 00002 "Gray
Scale 16")
(ITP!L001 001 00003 "Flat
White")
(ITP!L001 001 00004 "Flat
Gray")
...
(ITP!L000 001 00024
"Flare")
(ITP!L111 "--END--")
Query enabled state
QUERY test pattern enabled state
(ITP?E)
REPLY test pattern (enabled)
(ITP!E000)
REPLY test pattern (disabled)
(ITP!E001)
Query minimum/maximum
QUERY gamma slider minimum/
maximum
(GAM?M)
REPLY gamma minimum/maximum
(GAM!M1000 3000)
What is sent in a message
Although you send and read messages as strings of ASCII characters, the actual message travels as a
sequence of bytes. Each character in this sequence requires one byte.
The following example illustrates a lamp limit is 2000 hours reply from the projector.
ASCII =
(
L
P
L
!
2
0
0
0
)
HEX =
0x28
0x4
0x50
0x28
0x21
0x32
0x30
0x30
0x30
0x29
Communicating with Christie
Christie Technical Reference–Serial Commands
12
020-103316-07 Rev. 1 (09-2022)
Copyright
©
2022 Christie Digital Systems USA, Inc. All rights reserved.
If printed, please recycle this document after use.
