help/en/manual/DecoderPro/Basic_Mode.shtml

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      <h1>Programming Modes</h1>

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        <p><a href="Basic_Start.shtml#ProgramModes">Back</a></p>
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      <p align="center"><img src="images/SetProgramMode.png" width=
      "262" height="135" alt="program mode"></p>

      <p>Some brief comments on Programming Modes</p>

      <p><strong>Paged Mode</strong> is an expansion of Register
      mode that gives full access to all decoder CVs.</p>

      <p><strong>Register Mode</strong> is an expanded form of
      Address Mode, and is still used by some older and/or lower
      end decoders, particularly some from MRC and Wangrow. It is
      inherently limited in its ability to access all CVs in a
      decoder.</p>

      <p><strong>Direct Byte</strong> is another method, not yet
      supported by all decoders, that allows full access. There are
      two ways of implementing Direct Mode. The Direct Byte
      method(s) your command station supports will be
      activated.</p>

      <p><strong>Address Mode</strong> is an outdated programming
      method that is included here for the sake of<br>
      full compliance with the NMRA DCC standard.</p>

      <p>If you experience difficulty programming a decoder in
      Paged Mode, try Direct Byte, then<br>
      Register Mode, and finally Address Mode. The EasyDCC AD4
      Accessory Decoder can only be<br>
      programmed in Direct Byte.</p>
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