8
RS-232C Communication
RS-232C Communication
When the projector connects to the computer by RS-232C communication, the 
projector can be controlled with RS-232C commands from the computer. 
For details of RS-232C commands, refer to RS-232C Communication / Network 
command table (
17
).
Connection
1. 
Turn off the projector and the computer.
2. 
Connect the projector's CONTROL port and the computer's RS-232C port 
with a RS-232C cable (cross). Use the cable that ful lls the speci cation 
shown in  gure 
3. 
Turn the computer on, and after the computer has started up turn the projector 
on.
4. 
Set the COMMUNICATION TYPE to OFF. (
OPTION menu - SERVICE - 
COMMUNICATION in the User's Manual - Operating Guide)
(cross)
RS-232C Cable 
RS-232C
CONTROL
CD (1)  (1) 
−
 RD(2)  (2) RD
 TD (3)  (3) TD
 DTR (4)  (4) 
−
  GND (5)  (5) GND
 DSR (6)  (6) 
−
  RTS (7)  (7) RTS
  DTS (8)  (8) CTS
 RI (9)  (9) 
−
CONTROL port 
of the projector 
RS-232C port 
of the computer
9
5 4 3 2 1
6
7
8
1
2
4
3
8
9
5
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