NEC LT240K - Manual (Page 136)

E-136
APPENDIX
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.
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 RGB 1 02H 03H 00H 00H 02H 01H 01H 09H
INPUT SELECT RGB 2 02H 03H 00H 00H 02H 01H 02H 0AH
INPUT SELECT VIDEO 02H 03H 00H 00H 02H 01H 06H 0EH
INPUT SELECT S-VIDEO 02H 03H 00H 00H 02H 01H 0BH 13H
INPUT SELECT VIEWER 02H 03H 00H 00H 02H 01H 1FH 27H
PICTURE MUTE ON 02H 10H 00H 00H 00H 12H
PICTURE MUTE OFF 02H 11H 00H 00H 00H 13H
SOUND MUTE ON 02H 12H 00H 00H 00H 14H
SOUND MUTE OFF 02H 13H 00H 00H 00H 15H
ON SCREEN MUTE ON 02H 14H 00H 00H 00H 16H
ON SCREEN MUTE OFF 02H 15H 00H 00H 00H 17H
NOTE: Contact your local dealer for a full list of PC Control Codes if needed.
NOTE: Pins 2, 3, 5, 6 and 8 are used
inside the projector.
PC Control Connector (DIN-8P)
1 2
5 4 3
6
7
8
To RxD of PC
To TxD of PC To GND of PC