[ICOM] IC-781 problem

[Steve]

I think it means he sees a thorn shaped waveform in the spectrum 
scope display even with a shorted antenna input.
This tells me something in the scope circuit has an issue but I do 
not have an answer on how to fix.

This is how I read the OP's post anyway!



At 09:27 PM 7/2/2011, you wrote:
>HUH?
>
>On Sat, Jul 2, 2011 at 4:22 PM, Hsu <hsu4qro at gmail.com> wrote:
>
> > I use an IC781 for abt 3 years, I found it have a problem,there are some
> > "thorn" the bottom  of spectrum scope,even I shorted the antenna to ground.
> >   Any suggestion? Thanks in advance!
> >      73!Hsu
> >
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