Never mind my previous question - the picture you sent confirms the problem is most likely the attenuator.? I like the idea of subing a 10dB fixed for the switched attenuator followed by RECALL 8 and then 9.? This would confirm an attenuator problem.? If you go directly to replacing the switched attenuator, what is to say that it too may have a problem (unless you confirm B4 installation)
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Cheers!
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Bruce
