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RE: [WriteLog] Multi-Keyer Problems

To: "Richard L. King" <k5na@texas.net>,"writelog Reflector" <writelog@contesting.com>
Subject: RE: [WriteLog] Multi-Keyer Problems
From: "Jeff Maass" <jmaass@columbus.rr.com>
Reply-to: jmaass@columbus.rr.com
Date: Tue, 16 Dec 2003 14:20:43 -0500
List-post: <mailto:writelog@contesting.com>
Richard:

Ooops, looks like you already tried this stuff.

Never mind!

73,

  Jeff Maass  K8ND

  Caribbean Contesting Consortium - PJ2T
        http://www.pj2t.org
http://home.columbus.rr.com/jmaass/Radio/PJ2T_Aerial.htm


> -----Original Message-----
> From: Jeff Maass [mailto:jmaass@columbus.rr.com]
> Sent: Tuesday, December 16, 2003 2:19 PM
> To: Richard L. King; writelog Reflector
> Subject: RE: [WriteLog] Multi-Keyer Problems
>
>
>
> Richard:
>
> Eric K3NA posted the following previously, which may
> help to answer you problem.
>
> *************
> You may not have your CW keyline wired up correctly.  This is a
> common problem.
>
> To maintain isolation between various chassis grounds, the W5XD+
> Multikeyer uses a stereo 1/8" jack for the CW keyline.  The key
> closure occurs between tip and RING, not tip and sleeve as
> most people expect.  If you just jammed in a stereo plug without
> wiring it correctly, you will not get the desired result.
>
> A common approach, when differentials between chassis is not an
> issue (i.e., no ground loops are screwing up the audio side of
> things) is to use a mono jack.
>
> This is also true for the PTT jacks in the W5XD+ Multikeyer.
>
> -- Eric K3NA
>
>
> *************
> 73,
>
>   Jeff Maass  K8ND
>
>   Caribbean Contesting Consortium - PJ2T
>         http://www.pj2t.org
> http://home.columbus.rr.com/jmaass/Radio/PJ2T_Aerial.htm
>
>
> > -----Original Message-----
> > From: writelog-bounces@contesting.com
> > [mailto:writelog-bounces@contesting.com]On Behalf Of Richard L. King
> > Sent: Tuesday, December 16, 2003 12:38 PM
> > To: writelog Reflector
> > Subject: [WriteLog] Multi-Keyer Problems
> >
> >
> > I bought a new W5XD/K5DJ Multi-Keyer before the 2003 CQWW CW and I am
> > having some problems with it. I mentioned one of the problems
> here before
> > but never got what I would call a true solution. I would like to ask if
> > anyone else has experienced these problems or if you can point out
> > something that I have done wrong.
> >
> > I have used the keyer for two CW contests now (CQWW CW and ARRL
> > 160 CW) and
> > I am running Writelog version 1042C.
> >
> > Problem 1. There seems to be a serious incompatibility between the W5XD
> > keyer and the FT1000MP MkV PTT inputs.
> >
> > When I first hooked the keyer up I found that the PTT line will
> drop the
> > radio back to receive sometimes while it is sending. This happens
> > whether I
> > am sending from CW memories and/or sending with the paddle input. The
> > problem seems to come and go and will drop out right in the middle of a
> > string of characters.
> >
> > I have two FT1000MP MkVs and the problem is the same on both
> the left and
> > the right radio. So I don't believe the problem is one of the radios,
> > unless it is a basic incompatibility problem between the keyer
> and Yaesu.
> >
> > I also discovered that my footswitch, connected through the
> keyer, would
> > also allow the radio to drop out of transmit while I was
> holding it down
> > and not actually sending anything. Since this happens when I am not
> > sending, I don't believe I have a RFI issue.
> >
> > At one point the footswitch failure became almost solid and I
> was able to
> > help matters by rewiring the 1/8in stereo plug that goes into the
> > footswitch jack on the keyer. I soldered the cable shield that
> > goes on the
> > ring to the ground connection in the plug making the ring and ground
> > common. This made the footswitch work much, much more reliably,
> but only
> > the footswitch. The PTT generated by the paddle input and/or
> the computer
> > through the keyer was still intermittent.
> >
> > It was my understanding from reading the keyer literature when I
> > was making
> > the keyer cables that no grounds should be used at the keyer and
> > the shield
> > of the cable should go to the ring of the 1/8in stereo plugs.
> But maybe I
> > missed something about that? But connecting the shield of that
> > cable to the
> > keyer ground certainly improved the reliability of my footswitch.
> >
> > I am wondering if I now need to solder the shields of the
> cables that go
> > from the two FT1000 PTT inputs to the keyer ground to improve their
> > reliability? Or does that defeat the purpose of the opto-couplers?
> >
> > I really need to stop the keyer from dropping the PTT line
> while sending
> > and I need some advice as to the best way to do that.
> >
> > Problem 2. When I occasionally use my paddle in a contest, it
> > usually works
> > as expected. This is a situation when I send a call again, or ask for a
> > repeat, or send a repeat exchange using the paddle. However when I do a
> > small ragchew, I have problems.
> >
> > If I continuously send CW for longer that a few seconds using the W5XD
> > keyer, it goes key down on me with a solid keyed output from the
> > radio/amp.
> > If I hit the dit key once or twice the radio will stop keying and
> > is ready
> > for me to resume sending.
> >
> > I tried turning off the amplifier in case there as a RFI
> problem and the
> > problem is still there running only 50M. That doesn't necessarily
> > rule out
> > RFI. And the problem was happening before I soldered in a ground
> > connection
> > back in problem #1. So that's not the reason.
> >
> > I just paused typing this note, brought up WriteLog, tried to
> > recreate the
> > problem, and couldn't. I tried to do it with both a empty log
> and a full
> > log with 1200 QSOs just in case log size was a factor. But no
> > problem now.
> > So unless someone has seen something similar to what I
> > experienced, I will
> > approach this as a RFI problem.
> >
> > Problem 3. I seem to have a lot of trouble getting the Writelog
> > program to
> > read the frequency from both radios when I am setting up for SO2R. One
> > radio is on com 1 and the other is on com 8.
> >
> > The program will set up easily for using either radio without
> the other.
> > But it is very difficult to make it use both radios at the same
> time with
> > one as the left radio and the other as the right radio.
> >
> > Usually I can get both to finally start working if I spend 30 minutes
> > starting and stopping radios using the setup ports radio
> selection while
> > selecting right and left radios. Finally after I have reached the point
> > where there is no sense in the procedures that I am doing to try
> > to make it
> > work, it will suddenly start working.
> >
> > Perhaps there is a specific procedure that must be followed to do
> > this and
> > I am missing it.
> >
> > I would appreciate comments or advice from anyone?
> >
> > 73, Richard
> >
> > k5na@texas.net
> > _______________________________________________
> > WriteLog mailing list
> > WriteLog@contesting.com
> > http://lists.contesting.com/mailman/listinfo/writelog
> > WriteLog on the web:  http://www.writelog.com/
> >


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