NEC E424 User Manual

NEC Display Solutions of America, Inc.

E324, E424, E464, E554 External Control Document Rev 1.0

Contents

Connection Information Page 1
Communication Conditions Page 1
Code Data Page 2-3

Notes

 This document defines the communications method for control of the NEC LCD monitor, E324,

E424, E464, E554, E654

Connection Information

 Cable: RS-232C cables should be cross (reversed) cable or null modem cable
 Connection to Monitor—DSUB 9-pin located on the left side of the display

Communication Conditions

 Set the RS-232C communication settings on the PC to match the display’s communication

settings

 Communication code is ASCII

www.necdisplay.com EXX4 External Control Document Page 1 of 3

NEC Display Solutions of America, Inc.

E324, E424, E464, E554 External Control Document Rev 1.0

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 73 0D
Video (Component) 01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 43 03 01 0D
USB 01 30 31 30 45 30 41 02 30 30 36 30 30 30 31 34 03 07 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 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 31 45 30 30 30 31 03 01 0D

TV CHANNEL

Up 01 30 41 30 45 30 41 02 30 30 38 42 30 30 30 31 03 0F 0D
Down 01 30 41 30 45 30 41 02 30 30 38 42 30 30 30 32 03 0C 0D

Analog Closed Caption

Off 01 30 31 30 45 30 41 02 31 30 38 34 30 30 30 31 03 08 0D
CC1 01 30 31 30 45 30 41 02 31 30 38 34 30 30 30 32 03 0B 0D
CC2 01 30 31 30 45 30 41 02 31 30 38 34 30 30 30 33 03 0A 0D
CC3 01 30 31 30 45 30 41 02 31 30 38 34 30 30 30 34 03 0D 0D
CC4 01 30 31 30 45 30 41 02 31 30 38 34 30 30 30 35 03 0C 0D
TT1 01 30 31 30 45 30 41 02 31 30 38 34 30 30 30 36 03 0F 0D
TT2 01 30 31 30 45 30 41 02 31 30 38 34 30 30 30 37 03 0E 0D
TT3 01 30 31 30 45 30 41 02 31 30 38 34 30 30 30 38 03 01 0D
TT4 01 30 31 30 45 30 41 02 31 30 38 34 30 30 30 39 03 00 0D

Digital Closed Caption

Off 01 30 31 30 45 30 41 02 31 30 41 31 30 30 30 31 03 74 0D
Srv1 01 30 31 30 45 30 41 02 31 30 41 31 30 30 30 32 03 77 0D

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