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NEC RS232 Codes


Overview

There are two sets of codes in this article. Please ensure you are using the correct set of codes for the type of display you have.

  1. TV Codes
  2. Projector Codes

TV Codes

All codes sent are in HEX format.
(Sending the below commands as ASCII characters will not work, codes must be sent as HEX)

Command Code (HEX) Control System Representation
Power On 01 30 41 30 41 30 43 02 43 32 30 33 44 36 30 30 30 31 03 73 0D \x01\x30\x41\x30\x41\x30\x43\x02\x43\x32\x30\x33\x44\x36\x30\x30\x30\x31\x03\x73\x0D
Power Off 01 30 41 30 41 30 43 02 43 32 30 33 44 36 30 30 30 34 03 76 0D \x01\x30\x41\x30\x41\x30\x43\x02\x43\x32\x30\x33\x44\x36\x30\x30\x30\x34\x03\x76\x0D
Mute 01 30 41 30 45 30 41 02 30 30 38 44 30 30 30 31 03 09 0D \x01\x30\x41\x30\x45\x30\x41\x02\x30\x30\x38\x44\x30\x30\x30\x31\x03\x09\x0D
Unmute 01 30 41 30 45 30 41 02 30 30 38 44 30 30 30 32 03 0A 0D \x01\x30\x41\x30\x45\x30\x41\x02\x30\x30\x38\x44\x30\x30\x30\x32\x03\x0A\x0D
HDMI Input 01 30 41 30 45 30 41 02 30 30 36 30 30 30 31 31 03 72 0D \x01\x30\x41\x30\x45\x30\x41\x02\x30\x30\x36\x30\x30\x30\x31\x31\x03\x72\x0D

Projector Codes

All codes sent are in HEX format.
(Sending the below commands as ASCII characters will not work, codes must be sent as HEX)

Command Code (HEX) Control System Representation
Power On 02 00 00 00 00 02 \x02\x00\x00\x00\x00\x02
Power Off 02 01 00 00 00 03 \x02\x01\x00\x00\x00\x03
Input Select HDMI 1 02 03 00 00 02 01 1A 22 \x02\x03\x00\x00\x02\x01\x1A\x22
Input Select HDMI 2 02 03 00 00 02 01 1B 23 \x02\x03\x00\x00\x02\x01\x1B\x23
Unmute 02 13 00 00 00 15 \x02\x13\x00\x00\x00\x15
Mute 02 12 00 00 00 14 \x02\x12\x00\x00\x00\x14

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