[Dx4win] Filter selection with Elecraft K3 issue

[Barry]

Using Elecraft K3.  When double clicking a CW spot that includes a split 
frequency, it changes my filter width setting from 1K to 400 Hz.  On a 
simplex spot, no change (I prefer 1 KHz).  Anyone have a fix for this one?

Tnx,
Barry W2UP