NEC Display Solutions of America, Inc.
E552 Installation Guide
55” LCD Display
Rev 1.2
www.necdisplay.com
E552
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 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 41 30 45 30 41 02 31 30 38 34 30 30 30 31 03 78 0D
CC1
01 30 41 30 45 30 41 02 31 30 38 34 30 30 30 32 03 7B 0D
CC2
01 30 41 30 45 30 41 02 31 30 38 34 30 30 30 33 03 7A 0D
CC3
01 30 41 30 45 30 41 02 31 30 38 34 30 30 30 34 03 7D 0D
CC4
01 30 41 30 45 30 41 02 31 30 38 34 30 30 30 35 03 7C 0D
TT1
01 30 41 30 45 30 41 02 31 30 38 34 30 30 30 36 03 7F 0D
TT2
01 30 41 30 45 30 41 02 31 30 38 34 30 30 30 37 03 7E 0D
TT3
01 30 41 30 45 30 41 02 31 30 38 34 30 30 30 38 03 71 0D
TT4
01 30 41 30 45 30 41 02 31 30 38 34 30 30 30 39 03 70 0D
Digital Closed Caption
Off
01 30 41 30 45 30 41 02 31 30 41 31 30 30 30 31 03 04 0D
Srv1
01 30 41 30 45 30 41 02 31 30 41 31 30 30 30 32 03 07 0D
Srv2
01 30 41 30 45 30 41 02 31 30 41 31 30 30 30 33 03 06 0D
Srv3
01 30 41 30 45 30 41 02 31 30 41 31 30 30 30 34 03 01 0D
Srv4
01 30 41 30 45 30 41 02 31 30 41 31 30 30 30 35 03 00 0D
Srv5
01 30 41 30 45 30 41 02 31 30 41 31 30 30 30 36 03 03 0D
Srv6
01 30 41 30 45 30 41 02 31 30 41 31 30 30 30 37 03 02 0D
NOTE: The above list contains all the compatible external communication codes for the E552.
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).
