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To toggle the denoiser, tap the BAND+ button.
S2 .n1 nt
appears for a second. The "1" signifies the current noise reduction level. This display will be followed by
S2 .nr nt
The decimal point preceding the nr indicates the denoiser is active. You will likely hear the difference in
the noise level coming from the K2.
When you activate the denoiser in SSB or CW modes, the denoiser remains active for all filters in that
mode until you deactivate it. When off, it is off for all filters in that mode until you activate it. Thus, you
can have the denoiser on in SSB and off in CW.
Tapping BAND+ again will turn off the denoiser.
S2 nr nt
The notch, available only in SSB mode, is toggled by tapping the BAND- button.
S2 nr .nt
The decimal point preceding the nt indicates the auto-notch is active. If both autonotch and denoiser were
active, you would see something like
S2 .nr .nt
Like the denoiser, the notch setting applies to all SSB filters.
You may adjust the level of the denoiser by pressing and holding
levels. The available levels are 1,2, 3 and 4. The greater the level of the denoiser, the better it is at
suppressing noise, but it also suppresses some speech. Lower levels permit voice signals to pass through
the filter more readily, along with more noise. You should experiment with the available levels of the
denoiser under various band conditions to get a better feel for the effect of this control.
If in the above example you used the
S2 .n2 .nt
followed by
S2 .nr .nt
ST OR E
button, you would momentarily see
25
ST ORE
. This will cycle through the
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