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5. Command list
5.1 General control commands
The general control commands are used for the basic operation setting of this projector. They may not be exe-
cuted while the signals are changed. The general control commands have no data codes. (When the commands
for input select are sent while the splash screen is being displayed, the splash screen is only canceled.)
ITEM
Function
Note
Character
ASCII code
POWER ON
!
21h
This command is invalid for 2 minutes after the power is turned off.
POWER OFF
"
22h
This command is invalid for 1 minute after the power is turned on.
INPUT COMPUTER 1
_r1
5Fh 72h 31h
This command is not received during stand-by, BLANK, and input switch control with
the contact control.
INPUT COMPUTER 2
_r2
5Fh 72h 32h
This command is not received during stand-by, BLANK, and input switch control with
the contact control.
INPUT HDMI
_d1
5Fh 64h 31h
This command is not received during stand-by, BLANK, and input switch control with
the contact control.
INPUT SDI *
1
_d3
5Fh 64h 33h
This command is not received during stand-by, BLANK, and input switch control with
the contact control.
INPUT DVI
_d2
5Fh 64h 32h
This command is not received during stand-by, BLANK, and input switch control with
the contact control.
INPUT VIDEO
_v1
5Fh 76h 31h
This command is not received during stand-by, BLANK, and input switch control with
the contact control.
INPUT S-VIDEO
_v2
5Fh 76h 32h
This command is not received during stand-by, BLANK, and input switch control with
the contact control.
[Example]
*
1: This function works only on UD8900U.
*
1: This function works only on UD8900U.
When setting the input signal to COMPUTER 1. (Values enclosed in quotation marks are ASCII codes.):
•
Command sent from the PC, etc.
Status code returned
from the projector
Description
‘30’ ‘30’ ‘5F’ ‘72’ ‘31’ ‘0D’
00_r1
Command for setting the input signal
to COMPUTER 1 (ID command is
omitted.)
‘30’ ‘30’ ‘5F’ ‘72’ ‘31’ ‘0D’
00_r1
Command receipt conrmation
(The statuses are echoed back as
many as the number of the connected
projectors.)
•
Command sent from the PC, etc.
Status code returned
from the projector
Description
‘30’ ‘30’ ‘3B’ ‘30’ ‘31’ ‘3B’ ‘5F’ ‘72’
‘31’ ‘0D’ 00;01;_r1
Command for setting the input
signal to COMPUTER 1 is sent to the
projector with the ID of “01” or “ALL.”
‘30’ ‘30’ ‘3B’ ‘30’ ‘31’ ‘3B’ ‘5F’ ‘72’
‘31’ ‘0D’
00;01;_r1
The projector with the ID of “01”
or “ALL” receives the command.
(The status is echoed back from the
projector with the ID of “01” or “ALL.”)
5.2 Reading commands
5.2.1 Status read commands
The projectors operating status, such as POWER-ON/OFF and the currently selected input terminal, etc. can be monitored.
ITEM
Function Data (Receive)
Status
Character ASCII Character ASCII
POWER vP 76h 50h 1 31h POWER ON
0 30h POWER OFF
INPUT vI 76h 49h r1 72h 31h INPUT COMPUTER 1
r2 72h 32h INPUT COMPUTER 2
d1 64h 31h INPUT HDMI
d2 64h 32h INPUT DVI
d3 64h 33h INPUT
SDI *
1
v1 76h 31h INPUT VIDEO
v2 76h 32h INPUT S-VIDEO
P-ON/OFF ENABLED/
DISABLED
vPK 76h 50h 4Bh 0 30h POWER ON/OFF DISABLED
1 31h POWER ON/OFF ENABLED
SIGNAL INPUT vSM 76h 53h 4Dh 0 30h NO SIGNAL SUPPLIED
1 31h SIGNAL SUPPLIED