Christie Projector Mirage WQ-L User Manual

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Maintenance
Cleaning the Lens
Check periodically. A small amount of dust or dirt  on the lens has minimal effect on image quality. 
To avoid the risk of scratching the lens,  clean only if absolutely necessary.
Remove Dust
1. Brush most of the dust from the lens with a camel-hair brush or blow dust away with a dust-
free blower.
2. Fold a microfibre cloth smooth and gently wipe  remaining dust particles from the lens. Wipe 
evenly with the smooth...

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Serial Communication
This document describes the serial communication protocol, consisting of ASCII text messages, 
used to control a Mirage WQ-L projector remotely. 
For a list of the available serial commands, refer  to the Mirage WQ-L Serial Commands Guide (020-
101420-xx).
Connection and Use
Once you have connected your computer to either the RS232 IN or RS422 IN port (depending on 
which standard is supported by your computer) or to the...

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RS422 Port   
Message Formats
• Set : A command to set a projector parameter at a specific level, such as changing to a certain 
input. 
• Request:  A request for information, such as what input is currently in use.
• Reply: The projector returns the data in response to a request or as confirmation of a 
command.
All “Remote Control” information passes IN and OU T of the projector as a simple text message, 
consisting of a...

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Regardless of message type or origin, all message s use the same basic format and code. Opening 
and closing round brackets (parentheses) surround each message. 
Basic Message Structure
The following component fields comprise a standard ASCII message. Optional fields, such as extra 
characters for special modes, restrictions or adde d functionality, are shown in italics, with the 
exception of Notes. 
Start and End of...

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Prefix Characters (optional)
For acknowledgement that the projector has respon ded, and/or to maximize message integrity, 
insert one or two special characters be fore the three-character Function code: 
Projector Numbers (optional)
To control a selected projector or controller within  a group, include its assigned number or address 
just before the three-character ASCII Function code. See  Network Operation on page 71....

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Other Special Functions (optional)
To add functionality to the current message, include one or more of the following special characters 
between the Function code/Subcode, and the first pa rameter. If more than one, add them in any 
order. See  Flow Control  on page 70.
Data 
The value for a given projector state, such as “ON” or “OFF”, appears in ASCII-decimal format 
directly after the request/reply symbol. You can ad d an...

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Text Parameters
Most data is simply a numerical value, however some messages also require text. Enclose this text 
in double quotation marks, as in “ Tilt the Wagon”. Use all characters as desired except for the 
following special characters shown in the left colu mn below. These special characters require a two-
character combination. See  Sample Messages and their Meaning  on page 67.
Sample Messages and their Meaning...

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Specific Projector in a Network with one Controller
Specific Projector in a Network with Multiple Controllers
What is Actually 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 example below 
illustrates a “gamma function 222” reply from the projector. 
Message...

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Maximize Message Integrity
For additional reassurance and/or maximum message integrity, you can insert one or two special 
characters:
•Acknowledgements:  If you want assurance from the projector (or group of projectors) that a 
set message has been processed, request an  acknowledgement. An acknowledgement is 
returned after a message has been  received and fully executed by the projector (such as in the 
case of a source...

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Access Specific Inputs
For several commands (for example, BGC, Base  Gamma Curve) you can direct the message to 
particular input or image. To do this, include a subcode after the function code. 
Example: 
(BGC 1) Select 2.22 gamma curve for main input.
(BGC+MAIN 1) Select 2.22 gamma curve for main input.
It is only possible to set parameters from a specific input if that parameter is stored separately for 
each input. This...