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Note on updates from 'old' versions to recent ones

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  • wolf_dl4yhf
    Greetings all, After receiving questions from a spectrum lab user who intends to upgrade from a rather old version of Spectrum Lab to the most recent one, this
    Message 1 of 1 , Dec 5, 2010
      Greetings all,

      After receiving questions from a spectrum lab user who intends to
      upgrade from a rather old version of Spectrum Lab to the most recent
      one, this note may be important for others, too:

      If you are using Spectrum Lab for a very 'specialized' application, keep
      a backup copy of the old version !

      Reason:

      In the past, some very exotic functions have been removed from Spectrum
      Lab because I had assumed that no-one (except myself) had been using
      them. Just two example:

      - there once was an IIR filter designer for lowpass, highpass, and
      bandpass audio filters built inside the program. This has been removed
      years ago (in favour of the FFT-based filter).

      - there once was a function called 'Alert Module' in the program. It
      could alert the operator (by switching a signal on the serial port's
      output line) when "something interesting" was detected, for example the
      appearance of a signal at a certain frequency, etc. This has also been
      removed years ago (because it can be replaced with the 'Conditional
      Actions' now).

      So, again, before updating from a 'very old' version, please make a
      backup copy of the old version including your configuration files (*.usr
      / *.ini) .

      Have a nice sunday,
      Wolf .
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