Tom,

The most obvious one is to eliminate QRM from other signals that fall within 
your filter's bandpass.

Steve

----- Original Message ----- 
From: "Tom Behler" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Sunday, March 09, 2014 14:32
Subject: Re: Auto Zero Beat With Ts590


> Steve:
>
> Considering all the CW operating I do, I guess I'm no expert on this 
> either,
> and have sure learned a lot today.  As it turns out, my transmit and
> listening frequencies were never that far off, but the auto-zero-beat
> function allows me to be sure, which is a good thing.
>
> I guess one of the reasons for CW reverse is that you can doublecheck to 
> be
> absolutely sure you are zero-beat with the station you are working, as the
> article Danny sent out explains.
>
> There may be other reasons for using CW reverse, but I am not totally sure
> what they might be.
>
> Tom Behler: KB8TYJ
>
>
> -----Original Message-----
> From: For blind ham radio operators [mailto:[log in to unmask]]
> On Behalf Of Steve Forst
> Sent: Sunday, March 09, 2014 2:11 PM
> To: [log in to unmask]
> Subject: Re: Auto Zero Beat With Ts590
>
> Tom,
>
> I'm no cw  guy, but use this feature all the time and  have this function
> set to one of my extra pf keys for easier use. I don't recall the limits
> offhand, but both  filter bandwidth and shift need to be below certain
> values i.e. if the filter is too wide or the  pitch too high, the feature
> won't work.
>
> I think this feature was a 2 button press on the TS-2000, but  only a 
> single
> press for the 590.
>
> I have to admit I never understood what the cw reverse was all  about, but
> hopefully I'll learn something.
>
> 73, Steve KW3A
>