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RS-232 commands
IMPORTANT: When formatting commands sent from a control system or
computer, enclose commands in parentheses “(“ and “)”. When entering
custom commands into Scheduled Tasks in the projector’s web interface,
enclose commands in less than/greater than symbols “<” and “>” instead.
Communication Configuration
Visit our website for additional RS-232 settings and information.
To control this projector via RS-232, connect a null modem cable and set the
control system serial port settings to match the following communication
configuration:
Command Format
All commands consist of 3 alpha characters followed by a request, all
enclosed in parentheses. The request can be a read request (indicated by a
"?") or a write request (indicated by 1 to 4 ASCII digits).
A read request example:
(AAA?) where
(starts the command
AAA denotes the command
? denotes the read request
) ends the command
A read command returns the range and the current setting, for example:
A write request example:
(AAA####) where
(starts the command
AAA denotes the command
#### denotes the value to be written
(leading zeros not necessary)
) ends the command
RS-232 Port Settings
Setting Value
Bits per second 115,200
Data bits 8
Parity None
Stop bits 1
Flow control None
Emulation VT100
Read Command Examples
Function Command Response
Brightness (BRT?) (96-160,128)
Volume (VOL?) (0-32, 0)
Lamp Hours (LMP?) (0-32766, 42)
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