Others

RS-232C Interface

You can control this projector via a computer by connecting the computer to this unit using a RS-232C cross cable (D-sub 9 pins). The commands to control this unit and the response data format against the received commands are explained here.

For details, please consult your authorized dealer.

Communication Specifications

Communication specifications for this unit are as follows:

Transfer Rate

19200 bps

 

 

 

 

Data Length

8 bit

 

 

 

 

Parity

None

 

 

 

 

Stop Bit

1 bit

 

 

 

 

Flow Control

None

 

 

 

 

 

 

 

 

 

 

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

 

 

Normal Termination

[

SP

 

Parameter

 

SP

 

Parameter

 

SP

• • •

]

CR

 

 

 

 

Status

 

 

 

 

Header

: Designates the head of the response data.

 

 

 

 

 

 

 

 

 

 

“@” (40h): Fetches data from the projector

 

 

 

ID

: “1”: Identification number of the projector (Factory setting is 1)

 

 

 

SP

: Designates the delimiter between ID and normal termination status, normal termination

 

 

 

 

 

 

 

status and parameter, as well as parameter and parameter. (20h)

 

 

 

Normal Termination Status

: “0” (30h)

 

 

 

 

 

 

 

 

 

 

 

 

 

CR

: Designates the terminal of the data. (0Dh)

 

 

 

* [ ] is not applicable when sending commands to the projector.

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