I'm not sure what that one does without hitting function honestly, it seems 
to be another sort of notch filter of some sort but I really am not sure 
what it does. The auto notch, with function adjusts the level of auto notch 
and the top in that group of 3 is noise reduction and again, hitting 
function then that lets you adjust it but the manual notch button I'm not 
sure what it's supposed to do without hitting function.
----- Original Message ----- 
From: "John J. Jacques" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, September 01, 2014 8:48 PM
Subject: Re: Getting the most out of your TS-590


> Hi John, thanks for that, I didn't know about hitting function first!  Do
> you know what those buttons are supposed to do with-out the function key?
>
> 73:
> John