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 may delay 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 (For X500U only)
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
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
