[Yaesu] FT-1000/D NOTCH Control Anomaly?

[Arthur F. Wildblood]

In USB, LSB, and CW modes (others not checked) with the NOTCH push 
switch off and tuned to band noise on any band, rotating the NOTCH knob 
on my FT-1000 seems to effect the rx signal strength.  The difference is 
noticiable to the ear, and the S-meter indicates about a 3-5 db 
difference.  Band noise is strongest with the NOTCH control in the full 
clockwise position and weakest with the NOTCH control in the full CCW 
position.  This occurs when using any bandwidth selectivity.  All other 
controls are in their "normal" positions.  According to the "Operating 
Manual", the NOTCH control, which is supposed to set the notch 
frequency, should not be active when the NOTCH push switch is off.  Is 
this a problem with my FT-1000, or do all FT-1000's work this way?  
Does anyone know what's going on?  Tnx, Art/W4AA

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