Advertisement
By connecting a computer to the RS-232C terminal, you can control the projector. Use a reverse connection cable as the RS-
232C connection cable.
The commands to control the projector and the response data against the received commands are explained here.
For further information, please consult the dealer where you purchased your projector or consult the Service Center.
The communication specifications are as follows:
Baud rate
9600bps / 19200bps*
Data length
8 bits
Parity
None
Stop bit
1 bit
Flow control
None
When sending a control command, use the following data format.
Header
ID
SP
Command
SP
Parameter
Header: Designates the head of data and the kind of data.
"!" (21h): Control command to the projector
"?" (3Fh): Query to the projector (Asking command)
ID:
"1" (fixed)
SP:
Designates the delimiter for ID, Command, and Parameter. (20h)
CR:
Designates the terminal of the data. (0Dh)
Upon executing the received control command, the projector sends back the following response data to the computer.
Header
ID
SP
Normal Termination Status
Header: Designates the head of data.
"@" (40h): Fetches data from the projector.
ID:
"1" (fixed)
SP:
Designates the delimiter for ID, Command, and Parameter (20h)
Normal Termination Status: "0" (30h)
CR:
Designates the terminal of the data (0Dh)
CR
SP
Parameter
CR
The following three kinds of parameters are prepared for the control command and response data.
Designates the 2-byte hexadecimal value with the sign as the 4-digit (byte) characters.
Designation allowable range: "8000" to "7FFF"
Designates the status (ON/OFF) of the projector, such as POWER and HIDE.
Character
Hex.
Meaning
"0"
30
OFF
"1"
31
ON
Character
Hex.
Meaning
"0"
30
Y/C
"1"
31
VIDEO
"3"
33
PC1
"4"
34
PC2
Character
Hex.
Meaning
"0000"
30h, 30h, 30h, 30h
Stand-by mode
"0001"
30h, 30h, 30h, 31h
Power-on mode
"0002"
30h, 30h, 30h, 32h
Cool-down mode
"0004"
30h, 30h, 30h, 34h
Warning mode
The control commands that can be sent from the computer are as follows:
OPERATE
U0F
–
–
HIDE
U00
–
Right Left rev.
U17
–
Top Bottom inv.
U18
–
Keystone
U40
–
Input
U1A
–
Operation mode
Z03
–
–
–
–
–
–
–
–
–
–
–
–
Y/C, VIDEO, PC1, PC2
Stand-by, Power-on,
–
–
Cool-down, Warning
Advertisement
