[Elecraft] K2 NB LEVEL question

[Don Wilhelm]

Stan,

There is NB1 and NB2 - which select the width of the blanking pulses.
The Thereshold is an entirely different matter it has a High and a Low 
setting.  The onset of the blanking will appear greater with the Low 
setting.

Remember that blanking does exactly that - it blanks "holes" in the 
receive pattern, and that can cause distortion.  It is a tool to be used 
when required, but not something that should be turned on continuously.

73,
Don W3FPR

On 7/2/2012 12:36 AM, AE7UTE at gmail.com wrote:
> I have a new to me K2 that is serial number 02255.  The person I got it from
> told me
> it had many mods done but not sure which ones.  It has the following
> options, KSB2,
> KNB2, KDSP2 and KIO2.
>
> I'm just learning to use the rig and have a question regarding the NB Level
> function.
> It seems to have 4 different modes but from my reading it should just have
> 2.
> When I use the Level (hold) I get the usual H . tHr and Lo tHr showing but
> it also
> shows the same thing but almost "filters" out SSB signals.  It does not seem
> to have
> a great effect on CW.  So it has 4 different modes.
>
> I did a short youtube of it because it seems hard to explain.
> http://www.youtube.com/watch?v=7n-VT79yKLU&feature=plcp
>
> Any assistance would be appreciated.
>
> Thanks
> Stan AE7UT
>
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