Hi Tom,

My lower readout is stable, reporting the bandwidth as it was set and not
modifying it then changing to VFO B frequency. I would suspect that your PC
software program is asserting a command. Try it without your software
running or with your RS232 disconnected.

73,
Mike K2MK


KQ5S wrote
> 
> I should have said I am using FSK D.
> 
> Tom
> KQ5S
> 
> On Sat, Mar 10, 2012 at 12:39 AM, Tom <nineback@> wrote:
>> While in RTTY (Data A) I have hte DUAL PB turned on.  I am seeing
>> where VFO B is an alternating BW .25 and BW .50 and then the VFO B
>> frequency.   As BW changes from .25 to .50 the  twin band width
>> indicators change accordingly.
>>
>> Is this normal?
>>
>> Tom
>> KQ5S
> 


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