JIMRI/help/en/package/jmri/jmrit/cabsignals/CabSignalPane.shtml

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      <h1>JMRI : Cab Signals</h1>

      <p>JMRI generated Cab Signals are currently available for the following hardware types :</p>

      <ul>
        <li>LocoNet</li>

        <li>CBUS&reg;</li>
      </ul>

      <h2>Signal Data Table Columns</h2>
      <img src="Cab-Signals-Window-868x211.png" height="211" width="868" title=
      "JMRI CabSignal Data Send Layout Window" alt="JMRI Cab Signal Data Send Window">
      <ul>
        <li>Loco ID</li>

        <li>Send Cabdata checkbox - Will send data for Cab Signalling when the next signal aspect
        or speed changes. Will not send when the master Cabdata button is paused.</li>

        <li>Block - Current Block Username</li>

        <li>Direction of current block</li>

        <li>Block Button - "Block Lookup" Will search for a block which matches the loco ID or
        alternative TD value.<br>
        If an existing block is set, the "Change Direction" button can manually reverse the current
        block direction.</li>

        <li>Next Block Username</li>

        <li>Next Signal Mast Username</li>

        <li>Next Aspect</li>

        <li>Next Aspect ( Icon )<br>
        The icon orientations can be changed via the Aspect Icon Menu in the top menu bar.</li>
      </ul>

      <p>The table will attempt to identify which block the train is in via the block value ( train
      describer ).</p>

      <p>The table will update when the train number is the block value.</p>

      <p>A block initially has no direction set, forward values can only be calculated when JMRI
      knows what direction the block is set.</p>

      <p>The direction is normally calculated by JMRI when a new block is occupied, then comparing
      neighbouring blocks.</p>

      <p>This process can be triggered manually by clicking the Block Lookup button.</p>

      <p>The button will change to a Reverse Direction button if a block is located for the train
      ID.</p>

      <hr>

      <p>Layout Editor blocks can be checked for continuity in Layout Editor by taking the panel
      into edit mode, then clicking on Tools &gt; Check.</p>

      <p>You can view block routing by right clicking on an individual Layout Editor track segment
      and selecting View Block Routing.</p>

      <p>The table will follow the block route of the train until it finds the next signal or
      bumper / buffer stop.</p>

      <p>Signals used by this tool are defined using <a href=
      "../../../../html/tools/signaling/AspectSignaling.shtml">Aspect Signalling</a>.</p>

      <h2>Digitrax Throttle Cab Signals</h2>

      <p>The LocoNet Cab signal indications is intended to work with Digitrax throttles with
      digitrax throttles that include semaphore icons for the Left and Right throttles. The code
      was developed and tested using a DT402 and a DT500. The basic message format shold work with
      a DT300 and DT400 as well, though they have not been tested by the author.</p>

      <p>As of JMRI 4.15.4, it is only possible to send cab signal indications to throttles when
      they are plugged in to the LocoNet. This is limitation of the hardware and is true even on
      Duplex Wireless systems.</p>

      <p>When a cab signal is active, The throttle will beep every time a new aspect is sent to the
      throttle. The beep may occur even when no change of aspect is seen.</p>

      <p>The Digitrax Cab Signal Semaphores have 3 controlable blades (horizontal, diagonal, and
      verticle). When the semaphore is active, Each blade can be turned on and off. The semaphore
      can also be set to flash.</p>

      <p>The JMRI support for Digitrax Cab Signal Semaphores uses the speed indication from the
      Aspects as indicated in the following table.</p>

      <h3>Aspect Mapping</h3>

      <table>
        <tbody>
          <tr>
            <th>Semaphore Appearance</th>
            <th>Mapped Signal Speeds</th>
            <th>Other Mappings</th>
          </tr>

          <tr>
            <td>Vertical</td>
            <td>
              <ul>
                <li>Clear</li>

                <li>Normal</li>
              </ul>
            </td>
            <td>No matching speed was found, but the signal system indicates the aspect is
            permissive.</td>
          </tr>

          <tr>
            <td>Flashing Vertical</td>
            <td>
              <ul>
                <li>Limited</li>
              </ul>
            </td>
            <td>
            </td>
          </tr>

          <tr>
            <td>Diagonal</td>
            <td>
              <ul>
                <li>Medium</li>
              </ul>
            </td>
            <td>No matching speed was found, but the signal system indicates the signal is neither
            a stop (danger) aspect or a permissive aspect</td>
          </tr>

          <tr>
            <td>Flashing Diagonal</td>
            <td>
            </td>
            <td>This appearance is not currently used</td>
          </tr>

          <tr>
            <td>Horizontal</td>
            <td>
              <ul>
                <li>Stop</li>
              </ul>
            </td>
            <td>No matching speed was found, but the signal system indicates the signal is a stop
            (danger) signal or the signal is held.</td>
          </tr>

          <tr>
            <td>Flashing Horizontal</td>
            <td>
              <ul>
                <li>Restricting</li>

                <li>RestrictedSlow</li>

                <li>Restricted</li>

                <li>Slow</li>
              </ul>
            </td>
          </tr>

          <tr>
            <td>Dot</td>
            <td>
            </td>
            <td>Indicates the cab signal is active, but no Aspect is currently available.</td>
          </tr>

          <tr>
            <td>Nothing</td>
            <td>
            </td>
            <td>Indicates the cab signal is not active.</td>
          </tr>
        </tbody>
      </table>

      <h2>JMRI Help</h2>

      <p>You can view this help page within JMRI by selecting Help &gt; Window Help in the top bar
      of the Cab Signal window.</p>

      <p>CBUS&reg; is a registered trade mark of Dr Michael Bolton</p>
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