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Jim - W0EB
-Original Message-
From: Tom Hammond [mailto:[EMAIL PROTECTED]
Sent: Monday, May 09, 2005 8:37 AM
To: Jim Sheldon
Subject: Re: [Elecraft] K2: Erratic action of the Hand Key
Autodetect function
Hi Jim:
Of course, the HARD-WIRED way to fix the problem should
Jim,
I have also had that occasional problem, and it seems to happen more
frequently if the key contacts are dirty. Slip a piece of clean paper
between the contacts and close the key just enough to grip the paper gently
as you pull it through - the paper will burnish the contacts and the problem
Jim Sheldon wrote:
The keypaddles function
properly at all times, but when using the hand key, at random times, a key
down on the hand key produces the same results as a paddle press - namely
automatic dots or dashes.
I have been using autodetect successfully for some time. My thought is
-Original Message-
My K2 (and I've talked with several other K2 owners with the same problem),
Serial #4338, will not always detect a hand key properly -- Autodetect is
turned on in the menu - and I am using 2 1N914 diodes between the hand key
contacts and the dot and dash inputs to the
If Sverre's solution to the problem (Schottky diodes) is the answer, then
the 1N5711 should work nicely... and they are pretty easy to find... even
if you order them from Elecraft.
73,
Tom N0SS
At 02:14 PM 5/9/05, Sverre Holm wrote:
-Original Message-
My K2 (and I've talked with
PROTECTED]; 'Jim Sheldon'; elecraft@mailman.qth.net
Subject: RE: [Elecraft] K2: Erratic action of the Hand Key
Autodetect function
If Sverre's solution to the problem (Schottky diodes) is the
answer, then
the 1N5711 should work nicely... and they are pretty easy to
find... even
if you
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jim Sheldon
Sent: 9. mai 2005 23:41
Picked up a couple of 5711's from our local surplus electronics dealer.
They appear to do the trick - hasn't glitched once since I switched out the
4148 (914) diodes.
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