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Control of this unit via a computer is possible by connecting the computer to this unit with 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.
1. Communication Specifications
Communication specification for this unit are as follows:
2. Command Format
2-1. Command data format
When sending a control command to this unit, use the following data format:
2-2. Response data format
Upon executing a control command it has received, this unit sends back the following response data to the com-
puter:
2-3. Parameters used for the data format
The following 3 types of parameters are used for command and response data:
1 Numeric value 2 ON/OFF 3 Special parameters
Each parameter is as follows:
1 Numeric value
A 2-byte hexadecimal value (sign included) is represented by a set of 4-digit (4-byte) characters.
Assignable range: 8000H to 7FFFH
2 ON/OFF
Shows the status (ON or OFF) of the unit, such as POWER and HIDE.
*[ ] is not necessary for Asking command.
Header : Designates the head of data and the data type.
! (21h): Assigns command to the projector
? (3Fh): Query to the projector (Asking command)
ID :1: Identification number of the projector (Factory setting is 1)
SP : Designates the delimiter for ID, Command and Parameter. (20h)
CR : Designates the terminal of the data. (0Dh)
Header : Designates the head of the data.
@ (40h): Fetches data from the projector
ID : 1: Identification number of the projector (Factory setting is 1)
SP : Designates the delimiter for ID, Command and Parameter. (20h)
Normal Termination Status :0 (30h)
CR : Designates the terminal of the data. (0Dh)
Baud Rate
Data Length
Parity
Stop Bit
Flow Control
9600/19200 bps
8 bit
None
1 bit
None
Character
0
1
Hex
30
31
Meaning
OFF
ON
Terminal Description (continued)
RS-232C External Control
Header
SP
ID Parameter CRSPCommand
Header SPID Parameter CRSPNormal Termination Status