Hitachi CPAW250 Technical Manual - Page 8
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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 fulfills the specification shown in figure 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) RS-232C CONTROL RS-232C Cable (cross) RS-232C port of the computer CONTROL port of the projector CD (1) RD(2) TD (3) DTR (4) GND (5) DSR (6) RTS (7) DTS (8) RI (9) 98 76 54321 (1) ʵ (2) RD (3) TD (4) ʵ (5) GND (6) ʵ (7) RTS (8) CTS (9) ʵ 8