Grant, a short while back towards the end of the v2 beta testing on the OI,
that problem was discovered and addressed. I believe it's fixed in
v2.056Orion I. I know nothing of the OII status.
73, Barry N1EU
On 3/15/06, Grant Youngman <nq5t@comcast.net> wrote:
>
> > > I'm convinced there's a bug in the code for the Sub RX
> > somewhere.
>
> > I'm pretty sure this has been corrected in the latest Orion I
> > v2 firmware.
>
> Barry ...
>
> It has not been fixed in 2.032, presuming we're talking about the same
> problem, which we may not be.
>
> > Generally speaking, you should adjust your RX EQ and SUB EQ
> > for similar
> > response to your liking.
>
> What I'm refering to isn't an EQ issue, it's a passband position
> issue. In
> SSB mode, when the passband is narrowed, it also shifts up away from the
> low
> end significantly. So much so, that large PBT shifts are required to
> restore the low end. I'm hoping to have a SA to put on the radio later
> today, and try to see what's going on.
>
> For example, put main/sub on the same QSO and set each for 1500 Hz
> bandwidth, PBT = O. I know that's extreme, but it will demonstrate the
> point. Then see how far you have to tweak PBT on the Sub to get something
> that sounds like the Main. I just did that, and it takes about -600 Hz on
> the Sub (give or take your ears).
>
> Grant/NQ5T
>
>
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