Communication Protocol
9 Communication Protocol
The Com port setting details are: Baud Rate: 9600/115200, Parity: none, Data Bits: 8 bits, Stop Bits: 1 bit, Set CTS Mode:
Off, and Set XON/XOFF: Off.
Table 7: RS-232 Protocol
| Field 1 |
| Field 2 |
| Field 3 |
| Field 4 | Field 5 | ||||
| "L" |
| " " |
| "Code" |
| "~Code" | 0x0d | ||||
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| "xx" is 1's complement of |
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| "L" ASCII Code, 1 byte | " " ASCII space, 1 byte | "xx" Code Str, 2 byte | Code str, 2 byte | 0x0d, 1 byte | |||||||
Example: Menu On Command is"L 12ED" + Enter |
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| Table 8: |
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| Item | Code |
| Code(Hex) | ~Code(Hex) | Function |
| Command |
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| 19 | 18 |
| 0x12 | 0xED |
| Menu On/Off |
| L 12ED |
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| 20 | 19 |
| 0x13 | 0xEC |
| Volume + |
| L 13EC |
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| 21 | 20 |
| 0x14 | 0xEB |
| Volume - |
| L 14EB |
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| 22 | 21 |
| 0x15 | 0xEA |
| Source |
| L 15EA |
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| 23 | 22 |
| 0x16 | 0xE9 |
| VGA1 |
| L 16E9 |
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| 24 | 23 |
| 0x17 | 0xE8 |
| VGA2 |
| L 17E8 |
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| 25 | 24 |
| 0x18 | 0xE7 |
| DVI |
| L 18E7 |
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| 26 | 25 |
| 0x19 | 0xE6 |
| Component |
| L 19E6 |
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| 27 | 26 |
| 0x1A | 0xE5 |
| Video 1 |
| L 1AE5 |
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| 28 | 27 |
| 0x1B | 0xE4 |
| Video 2 |
| L 1BE4 |
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| 29 | 28 |
| 0x1C | 0xE3 |
| Freeze |
| L 1CE3 |
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| 30 | 29 |
| 0x1D | 0xE2 |
| PIP |
| L 1DE2 |
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| 31 | 30 |
| 0x1E | 0xE1 |
| Auto Image |
| L 1EE1 |
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| 32 | 31 |
| 0x1F | 0xE0 |
| Auto Gain |
| L 1FE0 |
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| 33 | 32 |
| 0x20 | 0xDF |
| Zoom + |
| L 20DF |
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| 34 | 33 |
| 0x21 | 0xDE |
| Zoom - |
| L 21DE |
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| 35 | 34 |
| 0x22 | 0xDD |
| Mute |
| L 22DD |
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| 36 | 35 |
| 0x23 | 0xDC |
| Brightness |
| L 23DC |
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| 37 | 36 |
| 0x24 | 0xDB |
| Contrast |
| L 24DB |
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| 38 | 37 |
| 0x25 | 0xDA |
| Mode |
| L 25DA |
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| 39 | 38 |
| 0x26 | 0xD9 |
| Normal |
| L 26D9 |
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| 41 | 40 |
| 0x27 | 0xD8 |
| Presentation |
| L 27D8 |
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| 40 | 39 |
| 0x28 | 0xD7 |
| Cinema |
| L 28D7 |
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| 42 | 41 |
| 0x29 | 0xD6 |
| Nature |
| L 29D6 |
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| 43 | 42 |
| 0x2A | 0xD5 |
| USER 1 |
| L 2AD5 |
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| 44 | 43 |
| 0x2B | 0xD4 |
| USER 2 |
| L 2BD4 |
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| 45 | 44 |
| 0x2C | 0xD3 |
| SWAP |
| L 2CD3 |
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| 46 | 45 |
| 0x2D | 0xD2 |
| Scale |
| L 2DD2 |
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| 47 | 46 |
| 0x2E | 0xD1 |
| Normal |
| L 2ED1 |
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| 48 | 47 |
| 0x2F | 0xD0 |
| WideScreen |
| L 2FD0 |
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| 49 | 48 |
| 0x30 | 0xCF |
| Pan & Scan |
| L 30CF |
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| 50 | 49 |
| 0x31 | 0xCE |
| 4:3 |
| L 31CE |
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| 51 | 50 |
| 0x32 | 0xCD |
| Up |
| L 32CD |
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| 52 | 51 |
| 0x33 | 0xCC |
| Down |
| L 33CC |
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| 53 | 52 |
| 0x34 | 0xCB |
| Left |
| L 34CB |
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| 54 | 53 |
| 0x35 | 0xCA |
| Right |
| L 35CA |
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| 55 | 54 |
| 0x36 | 0xC9 |
| Enter |
| L 36C9 |
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