I would have ditched the spectrum scope to free up memory.
73,
Barry N1EU
On 8/29/06, Merle Bone <merlebone@charter.net> wrote:
> Duane said:
>
> "But in order to choose between the
> two levels mentioned, it would help to know what the fixes were (and even
> what broke on later 1.373b5 level, if any of that has been summarized).
>
> 73, Duane (for me and K5LN)
> ----------------------------------------------------------------------------------------------
> The fundemental problem with the V1 firmware (Including v1.373b5) was stated
> by TenTec as:
>
> "There were two major problems with the original V1 firmwarethat
> precipitated the extensive revision. The primary issue wasunresolved
> failures in time-sensitive, state-driven communicationsbetween the three
> processors on the DSP/Logic board. Each DSPprocessor had its own
> state-machine or command sequencer. The DSPprocessors also streamed data
> between themselves. In addition, therewas a master state-machine that managed
> the interaction betweenprocessors, T/R operation and the user display. Any
> loss ofsynchronization between these various entities would lead to
> anunrecoverable system error that could be cleared only by a powercycle.
> Correcting the state-machines was not an option because ofthe second
> issue. The DSPs were completely FULL. No memory wasavailable to implement any
> fix. The V1 DSP code didn't make efficientuse of the available resources. The
> V1 SSB/CW receiver mimicked theFILTER method of SSB demodulation instead of
> the more code-efficientWEAVER method.
T
> he decision to change methods also meant discardingmost of the old code."As
> you can see, unfortunately TenTec not only changed the control code but they
> also redesigned most of the functions of the radio that are implemented in
> the DSP. V1.373b5 is very stable for me if I keep the SpectrumDisplay off,
> don't poll the Orion for frequency data and use the Voice Data Recorder
> sparingly. It also helpsnot to use the software NB or Noise Reductio on the
> Subreceiver.I hope this helps with questions about V1.373b5.73,Merle - W0EWM
> _______________________________________________
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> Orion@contesting.com
> http://lists.contesting.com/mailman/listinfo/orion
>
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