In a message dated 12/5/2004 11:10:52 AM Central Standard Time,
tentec-request@contesting.com writes:
Message: 9
Date: Sun, 5 Dec 2004 09:21:28 -0500
From: "Jeff Kelly" <jkelly@bellatlantic.net>
Subject: Re: [TenTec] Orion and the 706 Electret Mike...
To: <eric.sensi@skynet.be>, <tentec@contesting.com>
Message-ID: <000901c4dad5$b5ef13d0$6401a8c0@dell620comp2>
Content-Type: text/plain; charset="iso-8859-1"
Actually I am experiencing the same issue with my 705 and
Omni VI. I will talk to TT on Monday and get an idea of what
is happening. My hand mic does not cause this problem.
Jeff
KT2K
>
> I have a question about the Orion and it's companion microphone, the #706.
>
> 1. Sometimes (I say sometimes, not everytime !), when the mic PTT switch
is
> engaged I have a strange behaviour with the mic and the Orion... It seems
> that it's an HF feedback problem (but IMO, it is not !) into the
microphone
> causing the s-meter needle to go up full scale, the alc LED is then always
> on (not flashing) and I can hear thru the speaker of the Orion a big
> "Brrrrrrrrrrrr",
This has probally been hashed before but as a relatively new TEN TEC
cultist, I'll probally reinvent the wheel many times.
Had a similar problem with Omni VI/3 & 705 mic. Found that the shield
in the microphone cable did not connect to chassis ground thru the mic. plug.
I added a wire from the shield pin connection to the connector shell, just
brought it out with the mic cord and connected it under one of the cord clamp
screws. This takes shield to chassis ground when the microphone connector is
TIGHTENED. Also I had some conductive spray coating (don't know where it came
from) that I sprayed onto the inside of the mic base. This rig seems to be a
little leaky RF wise, seems like my Triton IV had similar problems with RF.
This was easier than opening the rig and making connection to ground as it
should be. Good Luck Ed N5BBC
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