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Re: [TenTec] Orion I RIT/XIT problem

To: "'Discussion of Ten-Tec Equipment'" <tentec@contesting.com>
Subject: Re: [TenTec] Orion I RIT/XIT problem
From: "Robert Carroll" <w2wg@comcast.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sat, 12 Jul 2008 15:59:00 -0400
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>

During my siege with the RTI problem I found many different things I did to
the radio seemed to make the RIT work--for a little.  However I never found
an early or late firmware load made any real difference.  The "special" load
TT sent me showed that when the RIT was not working, the RIT was not
generating proper Gray Code output--in fact most of the time the reading was
not changing.  Was it hardware?  Was it firmware?  No one has even really
found out--least of all TenTec--but after wrestling with the problem for a
couple of years I felt pretty sure it was a soldering or plated through hole
issue.  Recently someone made the suggestion it was a cable.

Good luck--you'll need it.

Bob W2WG

-----Original Message-----
From: tentec-bounces@contesting.com [mailto:tentec-bounces@contesting.com]
On Behalf Of Vincent Bond
Sent: Saturday, July 12, 2008 3:34 PM
To: tentec@contesting.com
Subject: [TenTec] Orion I RIT/XIT problem

I have serial number 03C10885 with v2.062a and have been experiencing the
same RIT/XIT problem ever since 2.062a was loaded. I have reset, reloaded
etc., but the RIT function is intermittent, with the result being that, for
the most part, it just does not work. 
Last week, on a lark I reset the PBT/BW step rate to 50 Hz from 10 Hz and
the RIT/XIT immediately worked fine for a day or two before it quit. During
that time, If I returned to 10 Hz, it stopped functioning. Reset to 50 Hz,
it worked. That led me to suspect a firmware issue because the encoder
worked perfectly. I still think there may be a firmware issue causing this
problem in many cases. 
Being so busy at work, I have not had the time to play with reloading older
firware versions to see if the problem when away. Perhaps someone with more
free time might investigate that. I hope someone finds the culprit because
it is exceedingly annoying to use a ncessary control that works only a small
percentage of the time.

Vince K7NA

Date: Fri, 11 Jul 2008 16:11:45 -0400
From: "John T. Fleming" <W3GQJ@embarqmail.com>
Subject: [TenTec] Orion I RIT/XIT problem
To: "'Discussion of Ten-Tec Equipment'" <tentec@contesting.com>
Message-ID: <9137E7B666414EADA229149425825B18@Core2BigToy>
Content-Type: text/plain; charset="US-ASCII"

I have a theory on the Orion XIT/RIT problem.  I now think the problem is
with the ribbon cable that is connected to J2B in drawing 81917_3.PDF in the
designator A8.   My serial number is
06C10363.  I wonder what other serial numbers are having the same problem.
I bought my Orion 9-16-03.

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