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2
3) Control sequence
(1) Send the command from the personal computer to the projector.
(2) The projector will send a return command after it receives 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 sent command 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 the personal computer.
• During signal switching, the command may not take effect even when the projector sends the return
command. After signal switching completes, wait for the mode indication to disappear before sending the
next command.
• When sending commands successively, wait to receive the return command of the current command before
sending a next command.
• Keep intervals of at least 400 ms between receipt of a return command and sending of a next command.
[Example] When turning the power ON (Figures and symbols enclosed in quotation marks are ASCII codes.):
Sending commands Status code from Description
from the PC, etc. the projector
30 30 21 0D Command for POWER ON
'0' '0' '!' ' '
30 30 21 0D Command receipt confirmation
'0' '0' '!' ' ' (Command echo back)
Sending commands Status code from Description
from the PC, etc. the projector
30 30 5F 72 31 0D Command for setting the input
'0' '0' '_' 'r' '1' ' ' signal to COMPUTER
30 30 5F 72 31 0D Command receipt confirmation
'0' '0' '_' 'r' '1' ' ' (Command echo back)
Operation
ASCII HEX Note
POWER ON ! 21h
This command is invalid for 1 minute after the power is turned off.
POWER OFF " 22h
This command is invalid for 1 minute after the power is turned on.
INPUT COMPUTER _r1 5Fh 72h 31h
This command will not be executed in Stand-by mode.
INPUT COMPONENT _c1 5Fh 63h 31h
This command will not be executed in Stand-by mode.
INPUT HDMI _d1 5Fh 64h 31h
This command will not be executed in Stand-by mode.
INPUT VIDEO _v1 5Fh 76h 31h
This command will not be executed in Stand-by mode.
INPUT S-VIDEO _v2 5Fh 76h 32h
This command will not be executed in Stand-by mode.
• Any commands will not be executed for 10 seconds after the power is turned on.
4) Operation commands (Not executable in stand-by mode. When the commands for input select are sent
while the splash screen is being displayed, the splash screen is only canceled.)
The operation commands are used for the basic operation setting of this projector. They may not be executed
while the signals are changed. The operation commands have no data codes.
5) Keystone commands (Not executable in stand-by mode. Possible only to read during muting.)
The keystone commands are used for the keystone setting of this projector with the value. The value will vary
depending on the installation conditions, etc.)
[Example] When setting the input signal to COMPUTER (Figures and symbols enclosed in quotation marks
are ASCII codes.):
How to set the grade
Use the ASCII codes to set the grade for setting data. Please refer to the table below for the HEX code.
ASCII '+' '–' '0' '1' '2' '3' '4' '5' '6' '7' '8' '9'
HEX 2Bh 2Dh 30h 31h 32h 33h 34h 35h 36h 37h 38h 39h
ITEM ASCII HEX VALUE
KEYSTONE(Vertical) KS 4Bh 53h ±40
KEYSTONE(Horizontal) KSH 4Bh 53h 48h ±25