[TenTec] Orion Filter Controls

[Bob Henderson]

Rick, I see that, now you mention it.  Looks messy though.

73 Bob


Rick Westerman wrote:

>Bob, the "Spurious Bar" you are referring to is the Indicator for
>which Roofing Filter is currently in use. (hi)
>
>73
>Rick
>
>-----Original Message-----
>From: tentec-bounces at contesting.com
>[mailto:tentec-bounces at contesting.com]On Behalf Of Bob Henderson
>Sent: Monday, January 05, 2004 11:55 AM
>To: tentec at contesting.com
>Subject: [TenTec] Orion Filter Controls
>
>The Orion filters are superb.  PBT & BW controls behave exactly
>as
>expected.  High cut behaves exactly as expected and so does Low
>cut
>
>However, in the case of Low cut, unlike the others, the
>representation
>of what is going on is incorrect, as it is illustrated on the
>screen.
>When adjusting Low cut it appears as if PBT is being adjusted,
>suggesting a movement of the complete passband wrt carrier
>frequency.
>The BW digital readout does appear to reflect what is really
>going on,
>while there is a 2 x BW rate of change indicated on the PBT
>digital
>readout.  This is erroneous.  There should be no PBT change at
>all with
>this control.  Additionally, there is a clean graphical
>illustration of
>BW setting for the sub Rx but the primary Rx illustration is
>marred by a
>spurious bar at its top.
>
>These are niggles but I emphasise; they affect only the
>representation
>of what is going on, as displayed on the Orion screen.  They have
>no
>effect at all, on actual operation of the Orion's superb
>filtering scheme.
>
>Bob, 5B4AGN, P3F
>
>
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>