RS-232C External Control
Control of this unit is possible via a computer, control system or other device by connecting the de- vice to the projector with a
For details, please consult your authorized dealer.
1 Communication Specifications
Communication specifications for this unit are as follows:
Baud Rate: 9600/19200 bps (19200 bps default)
Data Length: 8 bit
Parity: None
Stop Bit: bit
Flow Control: None
2 Command Format
A Command data format
When sending a control command to the projector, use the following data format:
Header 
ID 
SP 
Command [
SP 
Parameter
]
CR
(Bracketed section is not necessary for Request command)
Header | : Designates the head of data and the data type. |
| ! (21hex): Assigns command to the projector (Command) |
| ? (3Fh): Query to the projector (Request 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) |
B Response data format
Upon executing a control command it has received, this unit sends back the following response data to the device:
| Header |
| ID |
| SP |
| Normal Termination Status |
| SP |
| Parameter |
| CR |
|
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Header |
| : Designates the head of the data. | ||||||||||||
|
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| @ (40hex): 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) | ||||||||||||
C 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:
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