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• When controlling the projector using RS-232C commands from a computer, wait for at least 30
seconds after the power has been turned on, and then transmit the commands.
• After sending an input selection or picture adjustment command and then receiving an “OK” re-
sponse code, the projector may take some time to process the command. If a second command is
sent while the projector is still processing the first command, you may receive an “ERR” response
code. If this happens, try resending the second command.
• When more than one code is being sent, send each command only after the response code for the
previous command from the projector is verified.
• “POWR????” “TABN _ _ _ 1” “TLPS _ _ _ 1” “TPOW _ _ _ 1” “TLPN _ _ _ 1” “TLTT _ _ _ 1”
“TLTM _ _ _ 1” “TLTL _ _ _ 1” “TNAM _ _ _ 1” “MNRD _ _ _ 1” “PJN0 _ _ _ 1”
- When the projector receives the special commands shown above:
* The on-screen display will not disappear.
* The “Auto Power Off” timer will not be reset.
- The special commands are available for applications that require continuous polling.
Computer control
A computer can be used to control the projector by connecting an RS-232C serial control
cable (cross type, commercially available) to the projector. (See page 24 for connection.)
Communication conditions
Set the serial port settings of the computer to match that of the table.
Signal format: Conforms to RS-232C standard. Parity bit: None
Baud rate*: 9,600 bps / 115,200 bps Stop bit: 1 bit
Data length: 8 bits Flow control: None
*Set the projector’s baud rate to the same rate as used by the computer.
Basic format
Commands from the computer are sent in the following order: command, parameter, and
return code. After the projector processes the command from the computer, it sends a re-
sponse code to the computer.
RS-232C Specifications and Commands
Return code (
0DH
)
C1 C2 C3 C4 P1 P2 P3 P4
Response code format
Normal response
Problem response (communication error or incorrect command)
O K
E R R
Command 4-digit Parameter 4-digit
Command format
Return code (
0DH
)
Return code (
0DH
)
•If an underbar (_) appears in the parameter column, enter a space.
•If an asterisk (*) appears in the parameter column, enter a value in the range indicated in brackets
under Control Contents.
*1 For setting the projector name, send the commands in the order of PJN1, PJN2 and PJN3.
*2 This command should be sent only after the “IRGB _ _ _ 2” command is sent and an “OK” response
code is received.
*3 The Lamp Timer Reset command is available only in standby mode.
Note