NEC RS232 Codes
Aug 31, 2023
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.
- TV Codes
- 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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