[Elecraft] K3 sub receiver - kit vs assembled

[Al Dynarski]

I am getting ready to order the sub receiver for my K3 and have been reviewing the on-line manuals.  I am still puzzled as to the
difference between the kit and assembled versions.  I haven't found a manual that shows any actual 'assembly' of the sub receiver
just the installation of the unit into the K3.  Can someone please enlighten me as to what I am missing?  Thanks!

 

Al   W7SYK

Bar Nunn, WY