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| Chapter 6: NCR 7454 4x20 Customer Display | ||
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| Command | Function | Return Status/String | ||
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| 1B | 01 | Reset Display | No |
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| 1B | 02 | Erase Display | No |
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| 1B | 03 | Invalid Command | No |
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| 1B | 04 | Set Diagnostic State | No |
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| 1B | 05 | Set Display State On | No |
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| 1B | 06 | Set Low Power State On (Default) | No |
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| 1B | 07 | Enable Cursor | No |
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| 1B | 08 | Disable Cursor (Default) | No |
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| 1B | 09 | Set Screen Save Blank (Default) | No |
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| 1B | 0A | Set Screen Save Walk | No |
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| 1B | 0B | Turn On Screen Save | No |
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| 1B | 0C | Disable Screen Save Feature | No |
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| 1B | 0D | Enable Character Blink | No |
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| 1B | 0E | Disable Character Blink (Default) | No |
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| 1B | 0F | Move Cursor Left | No |
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| 1B | 10 | Move Cursor Right | No |
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| 1B | 11 | Move Cursor Up | No |
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| 1B | 12 | Move Cursor Down | No |
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| 1B | 13 | Set Cursor Position | No |
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| 1B | 17 | Brightness Adjustment (Default = 5) | No |
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| 1B | 18 | Read Display ID | Yes |
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| 1B | 19 | Read Display ID String | Yes |
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| 1B | 20 | Select Character Set 1 (Default) | No |
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| 1B | 21 | Select Character Set 2 | No |
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| 1B | Reserved | No |
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| 1B | 38 | Read Display Data String | Yes |
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