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RS-232C Specifications and Commands
Computer control
A computer can be used to control the projector by connecting an RS-232C serial control cable (cross type,
commercially available) to the projector. (See page 27 of the projector's operation manual for connection.)
Communication conditions
Set the serial port settings of the computer to match that of the table.
Signal format: Conforms to RS-232C standard.
Baud rate*: 9,600 bps / 115,200 bps
Data length: 8 bits
*Set the projector's baud rate to the same rate as used by the computer.
Basic format
Commands from the computer are sent in the following order: command, parameter, and return code. After
the projector processes the command from the computer, it sends a response code to the computer.
Command format
C1 C2 C3 C4 P1 P2 P3 P4
Response code format
Normal response
O
Info
• When controlling the projector using RS-232C commands from a computer, wait at least 30 seconds after
the power has been turned on, and then transmit the commands. After putting the projector into standby
mode, wait at least 90 seconds until the cooling fan stops, and then transmit the commands.
• If more than one command will be sent to the projector, wait for projector reply before sending next com-
mand.
Note
• When the projector receives the following commands, the on-screen display will not disappear and these
commands will not reset the "Auto Power Off" function timer when no signal is present.
POWR????, TABN_ _ _1, TLPS_ _ _1, TLTT_ _ _1, TLTL_ _ _1
Commands
Example: When turning on the projector, make the following setting.
P
Standby
Power On
Power Status
Projector Status
Lamp Status
Volume (0-60)
AV Mute : Off
AV Mute : On
Keystone (-127 ~ +127)
INPUT 1 (RGB1)
INPUT 2 (RGB2)
INPUT 3 (Video)
INPUT 4 (S-Video)
Freeze : Off
Freeze : On
Auto Sync Start
4
Command 4-digit
K
0DH
Return code (
Computer
_
_
O
W
R
Control Contents
Command Parameter
P O W R
P O W R
P O W R
T A B N
T L P S
V O L A
I M B K
I M B K
K E Y S
I R G B
I R G B
I V E D
I V E D
F R E Z
F R E Z
A D J S
Parity bit: None
Stop bit: 1 bit
Flow control: None
Parameter 4-digit
Problem response (communication error or incorrect command)
E
R
)
→
_
1
←
_ _ _ 0
OK or ERR
_ _ _ 1
OK or ERR
? ? ? ?
0 : Standby, 1 : On
_ _ _ 1
0 : Normal, 1 : Temp High, 2 : Fan Err, 8 : Lamp Life 5% or less,
16 : Lamp Burnt-out, 32 : Lamp Ignition Failure,
64 : Temp Abnormally High
_ _ _ 1
0 : Off, 1 : On, 2 : Retry, 3 : Waiting, 4 : Lamp Error
_ _ * *
OK or ERR
_ _ _ 0
OK or ERR
_ _ _ 1
OK or ERR
* * * *
OK or ERR
_ _ _ 1
OK or ERR
_ _ _ 2
OK or ERR
_ _ _ 1
OK or ERR
_ _ _ 2
OK or ERR
_ _ _ 0
OK or ERR
_ _ _ 1
OK or ERR
_ _ _ 1
OK or ERR
0DH
Return code (
)
0DH
R
Return code (
Projector
O
K
Return
)
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