[Elecraft] KX2 80m LSB bug

[Irma Linas]

Thanks Wayne!
Calibration helped. Problem solved!
Greate rig!

73 de Linas LY2H

On 2017 kov. 13, pr at 18:30 Wayne Burdick <n6kr at elecraft.com> wrote:

> Hi Linas,
>
> I can't duplicate this problem on my KX2. I would suggest re-doing the
> transmit gain calibration on 80 meters.
>
> Set mic gain to about 15-20 with the MH3, or about 30-50 with the internal
> mic.
>
> 73,
> Wayne
> N6KR
>
>
> On Mar 13, 2017, at 7:14 AM, Irma Linas <irmalinas73 at gmail.com> wrote:
>
> > Hello group,
> >
> > I am now a proud owner of the brand new KX2 which arrived few days ago
> > straight from CA. Being also a proud owner of an old and fully upgraded
> K3
> > I found this little rig very familliar to operate and navigate. Very
> lovely
> > package of all what you need on QRP, including the battery pack and the
> key
> > paddle! I am especially amased by the built-in microfone - it works very
> > nicely and I am re-descovering the SSB mode being mainly the CW op! The
> RX
> > audio quality  of SSB signals is outstandingly pleasant even with this
> > small speaker! The general sensitivity of the receiver though  seems a
> bit
> > too low compare to the K3 thus the preamp is needed most of time even
> with
> > good antennas. But that is no problem.
> >
> > A strange bug appears to live in the radio. It only related to 80m band
> LSB
> > mode. It is not possible to get the signal transmitted if you are on 80m
> on
> > power-up or if you come to 80m LSB from another band. Pushing Xmit or
> mics
> > PTT puts the rig into transmit mode but RF meter shows no output. If you
> > want to transmit, you have to change the mode into CW, transmit a dot or
> so
> > ( it always works on CW ok ) then change back to the LSB mode and then
> only
> > it starts transmitting your SSB signal out. The bug is NOT related with
> the
> > " RF in the shack" case, it is there with different antennas and the
> dummy.
> > The bug is permanently there and does not depend on battery supply,
> > voltage, etc. I have also tried to reload the latest firmware , no
> change.
> > So I think it could be the firmware problem.
> >
> > Would be interesting to know if anybody else experiencing the same
> strange
> > effect?
> >
> > 72! de Linas LY2H
> > KX2 #1488
> > K3 #1568 S-upgraded
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