I used a foot switch for keying my TR4CW; it made operating much smoother
without modifying the radio and without as much of the relay clatter........
73 de W4DL Mike
Pompano Beach, FL USA
----- Original Message -----
From: "Garey Barrell" <[email protected]>
To: "Drakelist" <[email protected]>
Sent: Saturday, January 23, 2010 11:46 AM
Subject: Re: [Drakelist] TR-4 CW VOX Delay
Curt -
VOX delay is adjusted with R106, which is selected at final test. It is
designed for SSB, as is the rest of the TR-4. You _might_ be able to
find a value that is a reasonable compromise over the narrow range of
adjustment provided by the VOX GAIN control, but ...
Initial value for R106 is 3.3M. Depending upon how you feel about
modifications, you could replace R106 with a pot and mount it on the rear
panel.
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 4-B, C-Line& TR-4/C Service Supplement CDs
<www.k4oah.com>
Curt Nixon wrote:
Good Morning All:
Playing with a nice TR4 here and wondering if there is a way to extend
the delay when using CW mode. I see very little difference from CCW
to CW on the VOX control in CW although it works fine in SSB.
Would like to lengthen the drop out time without messing up the VOX
level control.
Thnks
Curt
KU8L
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