www.necvisualsystems.com 50XM4 Page 11 of 11Control CodesFunction Code DataPOWER ON 9FH 80H 60H 4EH 00H CDHOFF 9FH 80H 60H 4FH 00H CEHINPUT SWITCH VIDEO1 (BNC) DFH 80H 60H 47H 01H 01H 08HVIDEO2 (RCA) DFH 80H 60H 47H 01H 02H 09HVIDEO3 (S-Video) DFH 80H 60H 47H 01H 03H 0AHDVD1/HD1 (RCA/Component) DFH 80H 60H 47H 01H 05H 0CHDVD2/HD2 (5BNC/Component) DFH 80H 60H 47H 01H 06H 0DHRGB1 (15pin HD) DFH 80H 60H 47H 01H 07H 0EHRGB2 (5BNC/RGB) DFH 80H 60H 47H 01H 08H 0FHRGB3 (DVI) DFH 80H 60H 47H 01H 0CH 13HAUDIO MUTE ON 9FH 80H 60H 3EH 00H BDHOFF 9FH 80H 60H 3FH 00H BEHPICTURE MODE NORMAL DFH 80H 60H 0AH 01H 01H CBHTHEAT.1 DFH 80H 60H 0AH 01H 02H CCHTHEAT.2 DFH 80H 60H 0AH 01H 03H CDHDEFAULT DFH 80H 60H 0AH 01H 04H CEHSCREEN MODE: STADIUM DFH 80H 60H 51H 01H 02H 13HZOOM DFH 80H 60H 51H 01H 03H 14HNORMAL DFH 80H 60H 51H 01H 04H 15HFULL DFH 80H 60H 51H 01H 05H 16HAUTO PICTURE ON DFH 80H 60H 7FH 03H 03H 09H 00H 4DHOFF DFH 80H 60H 7FH 03H 03H 09H 01H 4EHCINEMA MODE ON DFH 80H 60H C1H 01H 01H 82HOFF DFH 80H 60H C1H 01H 02H 83HNOTE: Contact your NEC rep for codes not listed.NOTE: Use a cross/reverse/null modem cable.Cable ConnectionCommunication Protocol:Interface: RS-232C Parity: OddCommunication: Asynchronous Stop Bit: 1 bitBaud Rate: 9600 bps Communication Code: HexData Length: 8 bitsPC Control Connector (D-Sub 9P)1 2 3 4 56 7 8 9To GND of PCTo RxD of PCTo TxD of PCTo CTS of PCTo RTS of PCNOTE: Jumper “Request to send” and “Clear to Send” together on both ends of the cable to simplify cable connection.