I too found the same problem, but with a different radio.
I just plugged a 10db pad in ahead of the headphones.
This dropped the hum below where it was a problem, and the
audio amp had enough range to overcome the pad.
Good Luck and 73
On Wed, 16 Jan 2002, Lloyd Korb wrote:
> I have a question on what appears to be display switching noise. I finally
> got some headphones with decent audio response. I now notice a background
> hum when the display switch is NOT in the dim position. Does anyone have a
> cure for this problem?
> Lloyd K8DIO EN91
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