I forgot the obvious comment ... No, you do not need to cycle the
NR off and on again if the signal changes. It will adapt on its own.
Grant/NQ5T
On 3 Aug 2004 at 9:02, Grant Youngman wrote:
>
> > manually selecting a very narrow DSP passband filter." Based on their
> > description, I concluded that for the NR to work properly the desired
> > signal had to be present when NR is invoked, and if one tuned to a
> > different signal that one would have turn off the NR and then turn it on
> > again
>
> The NR value adjusts the speed of adaptation, not the amount of
> NR. A lower value provides a relatively slow adaptation speed, so
> that once the filter is built it will tend to persist and will change only
> slowly. A higher value of NR will cause faster adaptation to
> changing/new/different signal v noise conditions.
>
> Once adaptation is complete, the amount of noise reduction will be
> the same for any setting of the NR control, and won't change (all
> other things being equal) if you adjust the NR value.
>
> The "right" setting, like so many things on the Orion, depends on
> conditions, what you're doing, etc. I typically stick it on about 3 and
> leave it there, but it's worth experimenting with ...
>
> Grant/NQ5T
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
|