K3 strange behaviour

[ayoshida]

Hi all

I enjoyed CQ WPX contest with K3/5w.
I found strange behaviour on 15m band during about 10 min after K3 power on.

K3 is almost dead in receive just like squelch on when I turn main dial.
It is alive again when I turn main dial higher or lower about a few KHz.
It happens regardless mode. (I noticed in CW and SSB)
I have never seen this behaviour before and do not know if it also happens
on other band or not.

Anyone see this ?

MCU 1.96
DSP 1.73

73 de aki, ja1nlx


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[Peter Howson]

Whilst playing with, sorry exploring, my K3 this morning I have set something
that causes VFO B to track VFO A. Simply put as I tune VFO A both A & B
frequencies change together. This only occurs on 40m, the band I was listening
to at the time. All other bands are normal.

Unfortunately I cannot remember what I did!!!! I have been searching the manual,
fruitlessly since lunch time.

73
Peter
GM8GAX


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[KK7P]

> Whilst playing with, sorry exploring, my K3 this morning I have set something
> that causes VFO B to track VFO A. Simply put as I tune VFO A both A & B
> frequencies change together. This only occurs on 40m, the band I was listening
> to at the time. All other bands are normal.
>
> Unfortunately I cannot remember what I did!!!! I have been searching the manual,
> fruitlessly since lunch time.

HOLD SUB and "UNLINK" will appear in the display.

73,

Lyle KK7P

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[Dick Dievendorff]

You probably have linked the VFOs on 40 meters.  This was described in the
firmware release notes for MCU 1.73:

VFO LINKING: Holding the "SUB" switch links/unlinks the two VFOs. When
linked,
    VFO A is the master; turning it moves both VFOs the same amount. VFO B
can be
    set to the same frequency by tapping A>B, or it can be offset a fixed
amount from VFO A.
    Setting them to the same frequency will permit diversity receive with
the subreceiver.


Dick, K6KR


-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Peter Howson
Sent: Thursday, May 29, 2008 7:59 AM
To: [hidden email]
Subject: [Elecraft] K3 VFO A+B

Whilst playing with, sorry exploring, my K3 this morning I have set
something
that causes VFO B to track VFO A. Simply put as I tune VFO A both A & B
frequencies change together. This only occurs on 40m, the band I was
listening
to at the time. All other bands are normal.

Unfortunately I cannot remember what I did!!!! I have been searching the
manual,
fruitlessly since lunch time.

73
Peter
GM8GAX


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