[Elecraft] PSK & Whurm Noise

[Screwtop]

Hi

I'm a new owner of a K3 and I'm still in the "setting up" process.

Yesterday I managed to have a PSK QSO via Winwarbler which is part of the
DXLabs logging software suite. Today I updated the firmware using the K3
Utiltiy. Following this I tried another PSK QSO. This time when transmitting
my signal the radio made a strange whurm noise. I'm not sure if t was from
the speaker or not. It sounded as if it was coming from somewhere near the
back of the K3. A similar thing happened with RTTY.

I've switched of the K3 and it'll stay switched off until I'm sure that I'm
not hurting it.

I'm at a loss. Any help gratefully received.

73

Bill
GM0VIT
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