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RS-232C Specifications and Command Settings
PC 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
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
Data length: 8 bits
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
Command 4-digit
Response code format
Normal response
O
K
Info
• When more than one code is being sent, send each command only after the response code for the previous
command from the projector is verified.
Note
• When the projector is put into the standby mode, a message "Shutting Down. Please Wait." is displayed for
about 20 seconds. At that time, if the "POWR_ _ _1" command is being sent, "ERR" will be returned and this
command is not received.
Commands
Example: When turning on the projector, make the following setting.
Computer
_
P
O
W
R
CONTROL CONTENTS
Standby
Power On
INPUT1
INPUT2
INPUT3
INPUT1 SIGNAL TYPE : AUTO
INPUT1 SIGNAL TYPE : RGB
INPUT1 SIGNAL TYPE : COMPONENT
Lamp Usage Time (hour)
Remaining Lamp Life (Percentage)
Lamp Status
Unit Status
Model Name Check
AV Mute Off
AV Mute On
Auto Sync Start
Note
• If an underbar (_) appears in the parameter column, enter a space. If an asterisk (*) appears, enter a
value in the range indicated in brackets under CONTROL CONTENTS.
20
Parameter 4-digit
Problem response (communication error or incorrect command)
0DH
Return code (
)
→
_
_
1
←
COMMAND PARAMETER
RETURN
P
O
W
R
_
_
_
0
OK or ERR
P
O
W
R
_
_
_
1
OK or ERR
I
R
G
B
_
_
_
1
OK or ERR
I
V
E
D
_
_
_
1
OK or ERR
I
V
E
D
_
_
_
2
OK or ERR
I
A
S
I
_
_
_
0
OK or ERR
I
A
S
I
_
_
_
1
OK or ERR
I
A
S
I
_
_
_
2
OK or ERR
T
L
T
T
_
_
_
1
0~9999
T
L
T
L
_
_
_
1
0~100
T
L
P
S
_
_
_
1
0:Off, 1:On, 2:Retry, 3:Waiting, 4:Lamp Error
T
A
B
N
_
_
_
1
0:Normal, 1:Temp High, 2:Fan Err,
4:Filter Cover Err, 8:Lamp Life 5% or less,
16:Lamp Burnt-out, 32:Lamp Not Lit,
64:Temp Abnormally High
T
N
A
M
_
_
_
1
PROJECTOR NAME
I
M
B
K
_
_
_
0
OK or ERR
I
M
B
K
_
_
_
1
OK or ERR
A
D
J
S
_
_
_
1
OK or ERR
for connection.)
Parity bit: None
Stop bit: 1 bit
Flow control: None
Return code (
E
R
R
Return code (
Projector
O
K
0DH
)
0DH
)
-61
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