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Rs-232C Port Specifications - NEC E656 User Manual

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RS-232C Port Specifications

PC control of the TV
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 TV 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
Baud rate
Data length
Parity bit
Stop bit
Communication code
This LCD TV 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)
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
01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 31 03 73 0d
Select VGA
Input Source
01 30 41 30 45 30 41 02 30 30 36 30 30 30 31 31 03 72 0d
Select HDMI-1
Input Source
01 30 41 30 45 30 41 02 30 30 36 30 30 30 31 32 03 71 0d
Select HDMI-2
Input Source
01 30 41 30 45 30 41 02 30 30 36 30 30 30 31 33 03 70 0d
Select HDMI-3
Input Source
Select
01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 43 03 01 0d
Component
Input Source
01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 35 03 77 0d
Select Composite
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
RS-232C
9,600 bps
8 bits
None
1 bit
ASCII
Code Data
English-45

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