[Elecraft] K2 options KDSP2 & KAF2

[Scott McDowell]

Hi
I just received the KAF2  and the KDSP2 options for my K2 from the xyl as 
birthday presents (73rd).
I notice that both options have the real time clock. My question is what 
does the KAF2 option do
that the KDSP2 option doesn't do? Or, is there any reason to have both 
installed ?
Thanks
Scott N5SM

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