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JIMRI/help/en/manual/DecoderPro/Multi_Decoder_Control.shtml
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<h1>DecoderPro&reg; Main Window</h1>
<h2>Multi-Decoder Control</h2>
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<p>The <strong>Multi-Programmer Control</strong> provides a convenient way to program CV's
when you have more than one decoder installed in a locomotive. For example, if you have
separate decoders to control the motor and provide sound, and they both use the same CV
locations, programming one decoder would change he settings on the other, usually an
undesired feature.</p>
<p>This control uses CV15 and CV16 to control writing and reading CV values. Prior to
installation of the decoders into the locomotive, each one has a specific value programmed
into CV16</p>
<p>Recommended values:</p>
<ul>
<li>motor decoder value of 1</li>
<li>sound decoder value of 2</li>
<li>function only decoder value of 3</li>
<li>other uses values of 4 thru 7</li>
</ul>
<p>Decoders should ship with the value of 0 in both CV15 and CV16, You can only perform a
read or write operation on the decoder if CV15 and CV16 are the same value. In effect, CV16
is a lock and CV15 is the key.</p>
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<p>The <strong>ID number</strong> buttons numbered 0 thru 6 let you select the value
that will unlock the decoder with the corresponding number in it's lock CV16.</p>
<p>DecoderPro then reads back the value in CV16 to confirm that the decoder has
successfully unlocked.</p>
<p>The <strong>Legacy</strong> button writes a 7 to CV15, which is a special case. Many
decoders, especially older models, do not have this locking mechanism present. In some
cases, specifically a Digitrax FX3 or later decoder and an early SoundTraxx decoder,
it's possible to emulate the lock using sequential writing of the CVs. Clicking the
<strong>Legacy</strong> button activates this procedure. Unfortunately, it's not an
entirely reliable method.</p>
<p><strong>Search</strong> button sequentially works through the possible addresses and
marking those decoder addresses that are found to be present.</p>
<p><strong>Reset</strong> button looks for possible combinations to unlock a decoder
that has been inadvertently locked. <span class="ACCENT">Only use this option if you
have just one decoder in the locomotive. If you have more than one , it will unlock all
of them, which may cause confusion later.</span></p>
<p><strong>Init DH163 + SoundTraxx</strong> button configures the
<strong>Legacy</strong> mode discussed above.</p>
<p>Status message are displayed below the buttons, shows <strong>idle</strong> when no
action is occurring.</p>
<p>At the bottom of the window you can select the Programming Mode. Any mode not
supported by your command station will be grayed out.</p>
<p>If you select the <strong>Ops</strong> mode, which programs on the main track, you
meed to enter the address of the decoder (locomotive) that you are programming. Your
DCC system may require you to check the <strong>Long address</strong> check box if the
address is a long address.</p>
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