NEC Display Solutions of America, Inc.
LCD4020-2 Installation Guide
40” LCD Display
Rev 1.0
www.necdisplay.com
Control Codes
Function Code Data
POWER ON 01 30 41 30 41 30 43 02 43 32 30 33 44 36 30 30 30 31 03 73 0D
OFF 01 30 41 30 41 30 43 02 43 32 30 33 44 36 30 30 30 34 03 76 0D
INPUT SWITCH VGA (15pin HD) 01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 31 03 73 0D
RGBHV
01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 32 03 70 0D
DVI
01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 33 03 71 0D
HDMI__________ 01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 34 03 76 0D
VIDEO (Composite) 01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 35 03 77 0D
DVD/HD 01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 43 03 01 0D
S-Video 01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 37 03 75 0D
TV (Analog)
01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 39 03 7B 0D
TV (Digital) 01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 41 03 03 0D
Option
01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 44 03 06 0D
AUDIO MUTE ON 01 30 41 30 45 30 41 02 30 30 38 44 30 30 30 31 03 09 0D
OFF 01 30 41 30 45 30 41 02 30 30 38 44 30 30 30 32 03 0A 0D
PICTURE MODE sRGB
01 30 41 30 45 30 41 02 30 32 31 41 30 30 30 31 03 07 0D
HIBRIGHT 01 30 41 30 45 30 41 02 30 32 31 41 30 30 30 33 03 05 0D
STANDARD
01 30 41 30 45 30 41 02 30 32 31 41 30 30 30 34 03 02 0D
CINEMA
01 30 41 30 45 30 41 02 30 32 31 41 30 30 30 35 03 03 0D
SCREEN MODE: NORMAL
01 30 41 30 45 30 41 02 30 32 37 30 30 30 30 31 03 70 0D
FULL
01 30 41 30 45 30 41 02 30 32 37 30 30 30 30 32 03 73 0D
WIDE
01 30 41 30 45 30 41 02 30 32 37 30 30 30 30 33 03 72 0D
ZOOM
01 30 41 30 45 30 41 02 30 32 37 30 30 30 30 34 03 75 0D
AUTO SETUP EXECUTE
01 30 41 30 45 30 41 02 30 30 31 45 30 30 30 31 03 01 0D
FILM MODE OFF
01 30 41 30 45 30 41 02 30 30 30 32 30 30 30 31 03 77 0D
AUTO
01 30 41 30 45 30 41 02 30 30 30 32 30 30 30 32 03 74 0D
NOTE: Contact your NEC rep for codes not listed.
NOTE: Use a cross/reverse/null modem cable.
Cable Connection
Communication Protocol:
Interface:
RS-232C
Parity: None
Communication: Asynchronous
Stop Bit: 1 bit
Baud Rate:
9600 bps
Communication Code: Hex
Data Length:
8 bits
PC Control Connector (D-Sub 9P)
NOTE:
If so desired, jumper “Request to send” and “Clear to Send” together on both ends of the cable to simplify cable connection.
These connections are not required. The only connections required are pins 2 (RxD), 3 (TxD) and 5 (GND).
LCD4020-2
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