RS-232C Specifications and Commands
Computer control
A computer can be used to control the projector by connecting an
Communication conditions
Set the serial port settings of the computer as follows. |
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Signal format: Conforms to | Parity bit: None |
Baud rate*: 9,600 bps / 38,400bps / 115,200bps | Stop bit: 1 bit |
Data length: 8 bits | Flow control: None |
*Use the same settings for the projector and computer. |
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Basic format
Send commands from the computer in the following order: command, parameter, and return code. After processing the command from the computer, the projector sends a response code to the computer.
Command format |
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| C1 C2 C3 C4 P1 P2 P3 P4 | Return code (0DH) | |||||||||||
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| Command | Parameter |
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Response code format |
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Normal response |
| Problem response (communication error or incorrect command) | |||||||||||
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| O | K |
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| Return code (0DH) |
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| E | R | R |
| Return code (0DH) |
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Info
•When controlling the projector using
•After sending an input selection or picture adjustment command and then receiving an “OK” response 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 previ- ous 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
*The “Auto Power Off” timer will not be reset.
−The special commands are available for applications that require continuous polling.
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