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Message Types and Formats
Commands sent to and from the projector are formatted as simple text messages that consist of a
three letter command code, an optional four letter subcode, and optional data. You can include
optional features such as message acknowledgments with your commands.
This table lists the available message types.
Message Type
Set
Request
Reply
This table lists the message format.
Source
(Code Data)
(Code+Subcode Data)
From controller
(Code ?)
(Code+Subcode ?)
(Code Data)
From Projector
(Code+Subcode Data)
Message Structure
This table lists the components of an ASCII command.
Message Element
Parentheses
Prefix characters (optional)
G Series Serial Commands Application Guide
020-000578-02 Rev. 1 (01-2014)
A command to set a projector parameter at a specific level, such as changing the
brightness.
A request for information, such as what is the current brightness setting
The projector returns the data in response to a request or as confirmation of a
command.
Format
SET (set contrast to 50)
SET (set source 1 name to "VGA
BOX 1")
REQUEST (what is current
contrast?)
REQUEST (what is lamp 1 hours?)
REPLY (contrast is 50)
REPLY (LMP 1 HOURS IS 534)
Commands are enclosed by parentheses ().
If a start character is received before an end character of the previous message,
the partial (previous) message is discarded.
Acknowledges the projector has responded or increases message integrity when
added before the 3-character function code.
Use the number symbol (#) to request a full acknowledgment. A full
acknowledgement sends an echo of the message as a reply from the projector
when it finishes processing the command. Do not include a full acknowledgement
in a request message.
Communicate with the Projector
Description
Function
(CON500) or (CON 500)
(SNS+SRC1 "VGA BOX 1")
(CON?) or (CON ?)
(LIF+LP1H?)
(CON!50)
(LIF+LP1H!534)
Description
Example
3
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