[Yaesu] Yaesu Keyer Characteristics

[William M. Bickley KF2ON]

Larry:

I don't know if this will help, but after buying my 990 a couple of
years ago, I found my CW was really poor (more so than usual) when
moving between the 990 and my 736.  I was convinced there was some
difference between radios, even to my poorly educated fist.  So I called
Yaesu, expecting to be laughed at.

Well, it turns out that there IS a difference between these radios
("like Curtis A versus Curtis B", said the Yaesu guy, "and no, you
cannot make them identical by modifying any switches, settings, etc.").

I wonder if what's bothering you is a consquence of the fact that the
two
radios might not be using the same keying logic.....

Bill  KF2ON

Larry Menzel wrote:
> 
> Good Morning all.
> 
> Well, I thought it was my imagination...or that I was doing something
> wrong.  BUT...
> 
> I have an FT 900 and and FT 1000D.  Love the radios.  I am almost 100% CW
> operator both from the car and from the shack.  I've had many radios and
> keyers over the 17 years I've been licensed so I have some experience to
> draw on.  So...the question:
> 
> Do any others of you experience keying anomalies when using the built in
> keyers on either of these or other newer Yaesu rigs with built-in keyers?
> 
> Specifically, when sending with the FT900 at approximately 20-25wpm,
> missing a letter "a" in a word...all I'll send is the "dit".  The "dah"
> just doesn't come.  Last nite, on the FT1000D, during the very enjoyable 10
> meter opening I was working a Texas station on about 28040.  The fellow I
> was working was named Allen.  I consistently could not send the second "l"
> in his name.  The first "l" would send fine, but when I sent the second "l"
> all I got was the "dit" and the "dah" simply repeated several extra times
> and I had to stop and start over.
> 
> There are other letter combinations that do the same thing...I'm stumped.
> 
> Is this my keying?  I don't seem to have the problem with my external
> keyer, or with the keying circuit in my IC765.
> 
> I've tried slowing down, speeding up, increasing/decreasing the vox
> delay...still seems to be there.  AS I think about it at this moment, I
> don't recall whether I've tried QSK to see if this phenomenon is evident
> there, but I will tonight.
> 
> Any similar experiences out there, or better yet, any fixes if so?
> 
> Email me, please, and if this is a larger problem than just me, maybe the
> reflector would be a good place for it as well.
> 
> Thanks to all.
> 
> Larry N0XB
> Northfield, MN
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