E-34
RS-232C Terminal Specifications
1. PC control
A personal computer can be used to control the projector by connecting the supplied computer control
cable to the PC CONTROL 1 terminal on the projector and an RS-232C cable (cross type) (not supplied) to
the computer, and then connecting the RS-232C cable to the computer control cable.
(RS-232C does not function when connected to PC CONTROL 2. See page 15 for connection.)
2. Communication conditions
Set the serial port settings of the computer to match that of the table below.
Signal format:
Conforms to RS-232C standard.
Baud rate:
9,600 bps
Data length:
8 bits
Parity bit:
NON
Stop bit:
1 bit
Flow control:
None
3. Basic format
Commands from the computer are sent in the following order: command, parameter, and return code. After
the unit processes the command from the computer, it sends a response code to the computer.
Return code
(
0DH
)
C1 C2 C3 C4 P1 P2 P3 P4
Response code format
Normal response
O K
Return code
(
0DH
)
Problem response (communication error or incorrect command)
E R R
Return code
(
0DH
)
Command 4-digits
Parameter 4-digits
When more than one code is being sent, send each command only after the OK response code for the
previous command from the unit is verified.
Note:
• Using the computer control function of the unit, the liquid crystal projector conditions cannot be read to the computer. There-
fore, confirm the conditions by transmitting the display commands for each adjustment menu and checking the conditions
with the On-Screen Display. If the unit receives a command other than a menu display command, it will execute the command
without displaying the On-Screen Display.
Note:
• If a dash appears in the parameter
column, enter a space. If an asterisk
appears, enter a value in the range
indicated in brackets under CON-
TROL CONTENTS. See the example
on the next page.
Command format
4. Commands
CONTROL ITEM
COMMAND
PARAMETER
CONTROL CONTENTS
C1
C2
C3
C4
P1
P2
P3
P4
INPUT SWITCHING
POWER SETTING
INPUT CHECK
_
_
_
VIDEO 2
_
_
_
VIDEO 1
_
_
_
POWER ON
_
_
_
POWER OFF
RGB 1
RGB 2
INPUT CHECK
ENGLISH
DEUTSCH
ESPANOL
NEDERLANDS
FRANCAIS
ITALIANO
SVENSKA
JAPANESE
AUTO
PAL
SECAM
NTSC 4.43
PICTURE (
!
30 –
~
30)
BRIGHT (
!
30 –
~
30)
COLOR (
!
30 –
~
30)
TINT (
!
30 –
~
30)
SHARPNESS (
!
30 –
~
30)
VIDEO 1 DISPLAY
RESET
_
_
_
LANGUAGE
SELECTION
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
VIDEO
SYSTEM
SELECTION
VIDEO 1
IMAGE
ADJUSTMENT
_
_
_
_
_
_
_
_
_
_
_
_
_
*
*
_
*
*
_
*
*
_
*
*
_
_
_
_
_
_
_
_
_
_
_
_
I
I
P
P
I
M
M
M
M
M
M
M
M
M
M
M
M
V
V
V
V
V
V
V
I
I
V
V
O
O
R
E
E
E
E
E
E
E
E
E
E
E
E
A
A
A
A
A
A
A
R
C
E
E
W
W
G
L
L
L
L
L
L
L
L
S
S
S
S
P
B
C
T
S
R
R
G
H
D
D
R
R
B
A
A
A
A
A
A
A
A
Y
Y
Y
Y
I
R
O
I
H
E
E
B
K
_
_
_
2
1
1
0
1
1
2
3
4
5
6
7
8
1
2
3
4
NTSC 3.58
_
_
_
M
E
S
Y
5
*
*
*
*
*
0
1
PICTURE (
!
30 –
~
30)
BRIGHT (
!
30 –
~
30)
COLOR (
!
30 –
~
30)
TINT (
!
30 –
~
30)
SHARPNESS (
!
30 –
~
30)
VIDEO 2 DISPLAY
RESET
VIDEO 2
IMAGE
ADJUSTMENT
VIDEO
BACKGROUND
LEVEL
_
*
*
_
*
*
_
*
*
_
*
*
_
_
_
_
_
_
_
_
_
_
_
_
_
V
V
V
V
V
V
V
B
B
B
B
B
B
B
P
B
C
T
S
R
R
I
R
O
I
H
E
E
*
*
*
*
*
0
1
2
0
RED (
!
30 –
~
30)
BLUE (
!
30 –
~
30)
RESET
_
*
*
_
_
W
W
W
B
B
B
R
B
R
D
E
E
*
*
1
*
*
