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Control projector by using a personal computer
1) Interface
This projector can be controlled by connecting a personal computer with RS-232C terminal.
Functions can be controlled by a personal computer:
• Turn the ON or OFF
• Changing input signals
• Menu setting
Connection
Projector + IBM PC or IBM PC compatibles
O
I
S-VIDEO
VIDEO
AUDIO L
(MONO)
AUDIO R
AC IN
MAIN
VIDEO IN
COMPUTER INCOMPUTER OUT
RS-232C
USB
to Com1
Comport
to RS-232C
terminal
RS-232C cable
D-SUB 9PMini DIN 8P
Important:
• Make sure that your computer and projector are turned off before connection.
• Turn on the projector after the computer is started up.
(If you do not follow this order, the Comport may not function.)
• If your PC (IBM or IBM compatible) is equipped only with a 25-pin serial port connector, a 25-pin serial port
adapter is required. Contact your dealer for details.
O
I
S-VIDEO
VIDEO
AUDIO L
(MONO)
AUDIO R
AC IN
MAIN
VIDEO IN
COMPUTER INCOMPUTER OUT
RS-232C
USB
to RS-232C
terminal
RS-232C adaptor
for Macintosh (optional)
to modem port
or printer port
D-SUB 9P D-SUB 9P Mini DIN 8PMini DIN 8P
RS-232C cable
PROTOCOL RS-232C
BAUD RATE 9600 [bps]
DATA LENGTH 8 [bits]
PARITY BIT NONE
STOP BIT 1 [bit]
FLOW CONTROL NONE
This projector uses RXD, TXD and GND lines for RS-232C control.
For RS-232C cable,the reverse type cable should be used.
2) Control command diagram
The command is structured by the address code, function code, data code and end code. The length of the
command is different by each function.
Address code Function code Data code End code
HEX 30h 30h Function Data 0Dh
ASCII '0' '0' Function Data
[Address code] 30h 30h (In ASCII code, '0' '0') fixed.
[Function code] A code of each fixed control move.
[Data code] A code of each fixed control data (number) and not always indicated.
[End code] 0Dh (In ASCII code, ' ') fixed.
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LVP-X70BU
Projector + Macintosh