Thanks Barry, that's interesting though I'm unsure what Arc Fault on the
2000A actually means. Arc Fault in the 87A is determined by excessive
instantaneous plate current and usually means a tube has flashed over
internally. Quite common with new tubes. I suspect it means something else
on the 200A.
I wonder whether the folks who experience this problem are using "Amp Key"
or "Keying Loop" connection or if they find them both to fault in the same
way?
Bob, 5B4AGN, P3F
----- Original Message -----
From: "Barry N1EU" <n1eu@netscape.net>
To: <tentec@contesting.com>
Sent: Wednesday, December 29, 2004 4:18 PM
Subject: Re: [TenTec] About the ACOM/Orion
> "Bob Henderson" <bob@cytanet.com.cy> wrote:
>
>
> >What fault condition does the Acom 2000A indicate with this particular
> >failure?
>
> Evidently it's an Arc Fault condition. In my experience, the 2000A is
particularly finicky about detecting this specific "fault" condition.
>
> >Does the Acom 2000A need to operate in loop mode to avoid hot switching?
>
> No, not at all. My 2000A is quite happy driven from the Orion's "Amp Key"
interface or the keying loop.
>
> 73,
> Barry N1EU
>
>
>
>
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