Lyle Johnson wrote:
In DATA AFSK you can press the PB2 button to toggle the dual passband
filter on and off. This will open up your waterfall display when the
dual narrow filter is not in use.
DATA A is also perfectly valid for RTTY operation.
I was also playing the the OK contest last night, and most of the time
ran with a 400Hz filter without the PB2 on, for both run and s&p. RU
might be a different story, as I expect the bands will be crowded. With
PB2 off, you can always open up the "width" control if you're looking
for targets. I set up MMTTY so that it was centered on the same
frequency as the K3's filter when I hit "NORM", so I could get back
there quickly, but found I didn't need to do that.
Other reasons to use AFSK A or DATA A modes include that you'll probably
want to configure those to use line-in with an appropriate level set,
whereas LSB would use a mic or headset, and you want to have
compression, etc, off in DATA mode too.
~Iain / N6ML
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