NEC NP40 - Manual (Page 68)

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7. Appendix
➏ PC Control Codes and Cable Connection
PC Control Codes
Function Code Data
POWER ON 02H 00H 00H 00H 00H 02H
POWER OFF 02H 01H 00H 00H 00H 03H
INPUT SELECT COMPUTER 02H 03H 00H 00H 02H 01H 01H 09H
INPUT SELECT VIDEO 02H 03H 00H 00H 02H 01H 06H 0EH
INPUT SELECT S-VIDEO 02H 03H 00H 00H 02H 01H 0BH 13H
PICTURE MUTE ON 02H 10H 00H 00H 00H 12H
PICTURE MUTE OFF 02H 11H 00H 00H 00H 13H
Cable Connection
Communication Protocol
Baud rate .........................................38400 bps
Data length ......................................8 bits
Parity ...............................................No parity
Stop bit ............................................One bit
X on/off ...........................................None
Communications procedure ...........Full duplex
NOTE: Depending on the equipment, a lower baud rate may be recommended for long cable runs.
NOTE: Contact your local dealer for a full list of the PC Contorol Codes if needed.
1 2
3 4 5
6 7 8
To RxD of PC
PC Control Connector (DIN-8P)
To TxD of PC To GND of PC
NOTE : Pins 2, 3, 5 and 6 are used inside the projector.