NEC E324 User Manual - Rs-232C Port Specifications

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RS-232C Port Specifications

PC control of the Display

Attach an RS-232C cable cross-type (commercially available) to the supplied 

RS-232C for the connections

NOTE:

This operation system should be used by a person who is accustomed to using 

computers

Communication procedure

Send the control commands from the PC via the RS- 232C connector

The display operates according to the received command and sends a 

response message to the PC

Do not send multiple commands at the same time  Wait until the PC receives 

the response before sending the next command

Interface

Protocol

RS-232C

Baud rate

9,600 bps

Data length

8 bits

Parity bit

None

Stop bit

1 bit

Communication code

ASCII

This LCD monitor uses RXD, TXD and GND lines for RS-232C control

The reverse type cable (null modem cable) (not include) should be used for 

RS-232C control

Control command diagram

Function 

(Monitor ID = 1)

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

Power OFF

01 30 41 30 41 30 43 02 43 32 30 33 44 36 30 30 30 34 03 76 0d

Input Source 

Select VGA

01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 31 03 73 0d

Input Source 

Select HDMI

01 30 41 30 45 30 41 02 30 30 36 30 30 30 31 31 03 72 0d

Input Source 

Select Component 01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 43 03 01 0d

Input Source 

Select Composite 01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 35 03 77 0d

Sound Mute ON

01 30 41 30 45 30 41 02 30 30 38 44 30 30 30 31 03 09 0d

Sound Mute OFF 01 30 41 30 45 30 41 02 30 30 38 44 30 30 30 32 03 0a 0d