> I  don't think it throws off that much RF, but...

You should KNOW.

Almost everything electronic with a processor in produces SOME 
radiated noise.

Take one standard AM/FM transistor radio.
Turn it on.
Place it literally on top of the operating product.
Tune across AM and FM bands.
Note where you hear product produced noise.
If in doubt turn product on and off and note what happens.
On each noise peak move radio away and vary orientation and note how 
strong each one is and how far away you can hear it.

This wont qualify as any sort of formal test but afterwards you'll 
have a much better feel for what you are up against.

A manually tuneable TV makes an even better test receiver as you can 
SEE the interference as well and this can be most useful.



        Russell



 

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