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Does the Quantum Programmer work with earlier QSI decoders?

April 26, 2017decoders programmer qsi Quantum

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Does the Quantum Programmer work with earlier QSI decoders?

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Partially. For example, Q1aUpgrade will determine what firmware is currently installed in a QSI decoder, and can evaluate its compatibility with the upgrade process. If the current firmware is earlier than Version 7, you will be so advised, and the firmware update will be inoperable. Quantum CVManager may be used to read and write CV values in earlier firmware models, but default settings for all locomotive models will reflect only Version 7 or later settings, and may give unpredictable results if used with earlier firmware versions.