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2
3) Control sequence
(1) Send the command from a personal computer to the projector. (The commands must be sent at least
400ms apart.)
(2) The projector will send a return command 400ms* after it has received an end code. If the command is
not received correctly, the projector will not send the return command.
(3) The personal computer checks the command and confirms if the command which has been sent has been
executed or not.
(4) This projector sends various codes other than the return code. When having a control sequence by RS-
232C, reject other codes from personal computer side.
• * : The sending time of return command maybe delayed depending on the condition (during changing the
input signal, etc.).
[Example] Turn the power ON (' 'is for ASCII code)
Sending commands Status code from Meaning
from the PC etc. projector
30 30 21 0D Command for POWER ON
'0' '0' '!' ' '
30 30 21 0D Command received
'0' '0' '!' ' ' (Command echo back)
Sending commands Status code from Meaning
from the PC etc. projector
30 30 5F 72 31 0D Command for setting the input
'0' '0' '_' 'r' '1' ' ' signal to COMPUTER 1
30 30 5F 72 31 0D Command received
'0' '0' '_' 'r' '1' ' ' (Command echo back)
Operation
ASCII HEX
POWER ON ! 21h
POWER OFF " 22h
INPUT COMPUTER 1 _r1 5Fh 72h 31h
INPUT COMPUTER 2 _r2 5Fh 72h 32h
INPUT VIDEO 1 _v1 5Fh 76h 31h
INPUT VIDEO 2 _v2 5Fh 76h 32h
4) Operation commands
The operation commands execute the basic operation setting of this projector. It may not operate when chang-
ing the signal.
• POWER OFF command will not work for 1 minute after the power is turned on.
• POWER ON command will not work for 1 minute after the power is turned off.
[Example] Set the input signal to COMPUTER 1 (' 'is for ASCII code)
5) Computer input commands
The computer input commands execute INPUT SELECT setting of COMPUTER 1.
Sending commands Status code from Meaning
from the PC etc. projector
30 30 44 49 46 32 0D Command for setting the INPUT SELECT
'0' '0' 'D' 'I' 'F' '2' ' ' to DIGITAL.
30 30 44 49 46 32 0D Command received
'0' '0' 'D' 'I' 'F' '2' ' ' (Command echo back)
ITEM ASCII HEX VALUE () is for HEX
INPUT SELECT DIF 44h 49h 46h 0 :
The same as INPUT SELECT switch setting of Terminal board.
1 : ANALOG setting (Mini D-SUB 15P).
2 : DIGITAL setting (DVI-24P).
[Example] Set INPUT SELECT (of COMPUTER 1) to DIGITAL. (' 'is for ASCII code)
How to set the grade
Use ASCII letters code to set the grade for setting data. Please refer to the table below for HEX code.
ASCII '0' '1' '2'
HEX 30h 31h 32h