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The Decoder Sound Downloader tool lets you load a new .spj file into a Digitrax sound decoder via a Digitrax PR2 or PR3 interface. If you're using a PR3, it needs to be put into "Programmer mode" before trying to download, see the main PR3 page.
Digitrax provides sample sound project files at their Sound Depot (http://www.digitrax.com/sounddepot.php) web site. You can also find links to documentation and additional tools there.
The status line at the bottom will walk you through the steps needed.
If everything is OK, the file will be read into the program and verified, a version string from the file will be displayed, and the "Download" button will be enabled.
If you have more decoders to load with the same file, you can just connect them each in turn to the PR2/PR3 and click "Download", there's no need to reload the file each time.
Also, you can use a JMRI Throttle to try out your new sounds via the PR2. JMRI takes care of converting the PR2/PR3 from a programmer/loader into a low power command station to run the locomotive.
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