Bill,

Try loading beta firmware 5.54 to that K3 and see if that behavior continues.
That firmware improves the flash memory interface.
I can't say for sure if it will fix that K3, but is worth a try.

73,
Don W3FPR

On 10/20/2016 10:16 AM, Bill Coleman wrote:
Have our club's K3/100, serial # 67xx.   When it is cold (FP=11C  52F ),
increasing the frequency using  VFO A or VFO B causes a 1MHz jump DOWN in
frequency.  When reducing frequency the failure is much less frequent and it
will also jump down 1 MHz.  At times while tuning up in freq there are some
relay clicks - usually 2 -  but no frequency jumps.

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