[Elecraft] K2 AUX I/O connector

[Dan Barker]

Won't the soon to be available big AMP need the ALC Line?

Dan / WG4S / K2 #2456

<snip>    
I know in the past it has been posted to insert a pin in terminal 4 on the
K2 and remove the same from the corresponding plug to make them unique to
the K2.
</snip>

Of course, this is an excellent idea if you are QRP only, like me.