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Yer dealing with a QSi Version.See how BLI's blueline gets some of us screwed up and unable to function>?Anyhow...QSI has upgrade chips and other tidbits availible now or will be availible for that engine and many others. You can even preview sounds using the Q1a program from QSI (Free)Some QSI engines have two whistles to choose from. Again, any sound file could in theory be replaced with another by a chip replacement or soundfile upload to the engine.
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