RIGHT Carl!
I remember now.
We were discussing this a year ago.
I used to know what the "real" cause of the problem was but have long since
forgotton exactly what it was. It was a noisy power spike but I can't find
my documentation on it anymore.
There is a low frequency spike proceeding the RF each time it keys. It is a
very short spike but enough to trigger the ARC FAULT.
This spike can be eliminated by inserting a broadcast band LPF between the
radio and the amplifier.
The real cure was to insert a choke in a strategic location but I have
forgotten exactly where. I'm sure I will stumble upon it again someday,
somewhere.
I actually still have my LPF, so I will give it a try.
Darn, it's beginning to look like I have forgotten more than I ever knew.
73 - Rick, DJ0IP
(Nr. Frankfurt, Germany)
-----Original Message-----
From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Carl
Moreschi
Sent: Tuesday, January 24, 2017 4:06 PM
To: Discussion of Ten-Tec Equipment
Subject: Re: [TenTec] Need Orion I Firmware
Rick,
I don't have that firmware. But I do not believe changing the FW will fix
the problem. I believe that problem comes and goes with temperature
variations.
The fix is to get a filter to connect to the output of the Orion between the
Orion and Acom. I researched this last year and found a filter.
But I sold my Acom 1000 and now use a different amp. So that fixed it for
me.
I think Barry, N1EU, has the info on the filter.
Carl Moreschi N4PY
58 Hogwood Rd
Louisburg, NC 27549
www.n4py.com
On 1/24/2017 9:50 AM, rick@dj0ip.de wrote:
> We are trying to load firmware V3.025 onto an Orion 565.
>
> It has been running V3.032.
>
>
>
> The V3.032 runs OK when barefoot but when using an Acom amplifier, it
> causes the ARC FAULT problem with the amp.
>
>
>
> When the radio was running V3.025 in the past years, it worked OK.
>
> We would like to put the old firmware back onto the radio.
>
>
>
> We have downloaded the specific firmware from the RKR site
>
> (http://www.rkrdesignsllc.com/support/product-documentation/product-do
> cument ation/ten-tec-565-orion/ ) but it does not run.
>
>
>
> Other (older versions) downloaded there run OK but that specific
> version seems to be corrupt.
>
>
>
> Does anyone have this firmware or know of another site where we can
> download it?
>
>
>
> TNX
>
>
>
> 73
>
> Rick, DJ0IP
>
>
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
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