Operation and Settings
RS-232C Interface
You can control this projector by connecting the computer to this unit using a
For details, please consult your authorized dealer.
Communication Specifications
Communication specifications for this unit are as follows:
Transfer Rate | 19200 bps |
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Data Length | 8 bit |
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Parity | None |
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Stop Bit | 1 bit |
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Flow Control | None |
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Command Format
Command Data Format (PC Projector)
When sending a control command to this unit, use the following data format:
Header
ID
SP Command
[
SP Parameter SP Parameter SP
• • • ]
CR
Header | : Designates the head of data and the data type. |
| “!” (21h): Assigns command to the projector (Command) |
| “?” (3Fh): Query to the projector (Asking command) |
ID | : “1”: Identification number of the projector (Factory setting is 1) |
SP | : Designates the delimiter between ID and command, command and parameter, as well as parameter and |
| parameter. (20h) |
CR | : Designates the terminal of the data. (0Dh) |
* [ ] is not necessary for Asking command.
Response Data Format (Projector PC)
Upon executing a control command, this unit sends back response data to the computer in this format.
Header ID SP
Header
ID
SP
Normal Termination Status
CR
Normal | [ SP Parameter SP Parameter SP • • • ] CR |
TerminationStatus |
:Designates the head of the response data. “@” (40h): Fetches data from the projector
:“1”: Identification number of the projector (Factory setting is 1)
:Designates the delimiter between ID and normal termination status, normal termination status and parameter, as well as parameter and parameter. (20h)
:“0” (30h)
:Designates the terminal of the data. (0Dh)
* [ ] is not applicable when sending commands to the projector.
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