NEC E422 Installation Manual - page 7
NEC Display Solutions of America, Inc.
E422 Installation Guide
42” LCD Display
Rev 1.1
www.necdisplay.com
E422
Page 7 of 7
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
HDMI1
01 30 41 30 45 30 41 02 30 30 36 30 30 30 31 31 03 72 0D
HDMI2
01 30 41 30 45 30 41 02 30 30 36 30 30 30 31 32 03 71 0D
HDMI3_________ 01 30 41 30 45 30 41 02 30 30 36 30 30 30 31 33 03 70 0D
Video (Composite) 01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 35 03 77 0D
TV
01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 41 03 03 0D
Video (Component)
01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 43 03 01 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
KEY LOCK
All Buttons
01 30 41 30 45 30 41 02 30 30 46 42 30 30 30 32 03 72 0D
Control Buttons Only
01 30 41 30 45 30 41 02 30 30 46 42 30 30 30 31 03 71 0D
Unlock
01 30 41 30 45 30 41 02 30 30 46 42 30 30 30 30 03 70 0D
VGA AUTO SETUP
01 30 41 30 45 30 41 02 30 30 46 42 30 30 30 30 03 70 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 (TxD), 3 (RxD) and 5 (GND).