[Heathkit] Amp Keying Interface?

[kb0nly]

Or a simple toggle switch inline with relay lead would work also.

Scott


----- Original Message ----- 
From: "Peter Markavage" <manualman at juno.com>
To: <Heathkit at mailman.qth.net>
Sent: Wednesday, August 01, 2007 12:35 PM
Subject: Re: [Heathkit] Amp Keying Interface?


> Radio/TV repair shop might be a good place to find them especially if the
> shop has been around for a long time. Found some at flea markets. Have no
> idea if any of parts suppliers would have them since they're not to
> common in equipment anymore. Lots of old radios and TV's used them. The
> sensitivity pot resistance isn't that critical since the SWR meter
> accuracy is generally fair to poor. If you don't care about the
> push-off/pull-on feature, but the desire to put the amplifier in stand-by
> without shutting it off, a simple pot with an on/off switch (like a
> volume control) will work too. Just wire the switch in series with the
> relay lead.
> 
> Pete, wa2cwa
> 
> On Wed, 01 Aug 2007 08:58:25 -0700 "Kenneth G. Gordon"
> <kgordon2006 at verizon.net> writes:
>> On 31 Jul 2007 at 23:25, Peter Markavage wrote:
>> > A "number" of us have replaced the sensitivity control for the 
>> SWR
>> > adjustment on the SB-200 front panel with a similar resistance pot 
>> but
>> > one with a push-off/pull-on switch.
>> 
>> Where did you get this pot/switch?
>> 
>> Ken Gordon W7EKB
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