| Decoder for Atlas N Scale |
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| CV | Description | Range | Default | ||
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| 29 | Bit 1 | Headlight mode: | 0,1 | 1 |
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| 0 = Operation with 14 or 27 |
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| systems. This setting must be selected when |
| (2) |
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| the locomotive decoder is used with any |
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| DCC system that does not support the 28 |
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| and off as the speed is increased, the |
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| command station is configured for 28 speed- |
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| steps, and the decoder is set for 14 speed- |
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| steps. |
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| 1 = Operation with 28, 55 or 128 speed |
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| steps. If you use this setting, the Command |
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| Station must also be configured to use either |
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| the 28 |
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| step mode; otherwise, the headlights cannot |
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| be controlled. |
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| Bit 2 | Usage on conventional DC layouts: | 0,1 | 1 |
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| 0 = locomotive operates only in digital (DCC) |
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| mode |
| (4) |
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| 1 = locomotive can operate in either analog |
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| (conventional DC) or digital (DCC) mode |
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| Bit 3 | Always 0 | 0 | 0 |
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| Bit 4 | Speed curve: | 0,1 | 0 |
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| 0 = |
| (16) |
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| 1 = |
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| Please enter the appropriate values into CVs |
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| 67 to 94 before setting this bit. |
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| Bit 5 |
| 0,1 | 0 |
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| 0= Short |
| (32) |
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| 1= Long |
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| Bit 6 | Not used |
| 0 |
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| Bit 7 | Both bits always 0 |
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| 50 | Decoder Configuration, Byte 2: | 0 - 12 | 1 |
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| CV50 is similar to CV29, but CV50 is used to set |
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| other properties. The definitions for the individual bits |
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| of CV50 are given below. |
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| Bit 0 | Not used |
| 1 |
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| Bit 1 | Not used. |
| 0 |
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Atlas Model Railroad Co., Inc.
