Meridian America D-ILA 1080MF1 - Manual (Page 35)


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 RS-232C cross cable (D-sub 9 pins). The commands to control this unit
and the response data format against the received commands are as follows.
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
Header : Designates the head of the data.
@ (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: