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Confirming command execution
If you want confirmation from the projector (or group of projectors) that a set message has been
processed, request an acknowledgment by inserting a dollar sign ($) after the start code left
parenthesis.
When the projector executes the command action (for example, as source switch), the projector
returns a dollar sign ($). This quickly confirms success with set messages and is particularly useful
with long-distance communication links or situations where the projectors or images are not visible
from the controller.
Set the active ILS file and return an acknowledgment example:
($ILF "ILS Flat")
$
Acknowledgments can also be a type of flow control.
Requesting an acknowledgment serves no purpose when included in a request message as the
acknowledgment is redundant to the reply from the projector. However, if requested, the dollar sign ($)
acknowledgment from the projector follows the reply.
Example:
($CHA?)
(CHA! "Media Block Flat")
$
Error messages
If a command cannot be performed, a descriptive error identifying the problem appears.
For example, the following message indicates a syntax error:
(65535 00000 ERR00005 "TMD+TIME: Too Few Parameters")
CineLife+ Technical Reference–Serial Commands
020-103075-05 Rev. 1 (09-2022)
Copyright
©
2022 Christie Digital Systems USA, Inc. All rights reserved.
If printed, please recycle this document after use.
Communicating with the projector
8
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