[Elecraft] NR and PF1 key noise

[Bob Allen]

Here's another bug that now occurs with v 3.41 and I didn't notice this 
before updating.
I assigned the programmable function button "PF1" to switch the 
configuration menu item "SPKR+PH", now if I have NR on and I try to 
switch the external speaker on and off by holding the "PF1" button I get 
a tone that is medium low loudness around .7-1 KHZ.
On some NR settings like "1-1 to 2-4" the tone occurs anytime I switch 
the speaker on or off and "3-1" and above it only seems to occur when 
switching the speaker on.
This doesn't happen when I switch the speaker from the config menu only 
when switching using the "PF1" button.
Pushing other buttons makes it stop.
Almost sounds related to the "3.41 incomplete fix" thread.
Not a big deal but needs to be fixed.
Bob
KB1FRW