[Elecraft] Resetting K2?

[Fred (FL)]

I have to replace a questionalble KNB2 NB option,
pcb card (populated).

Is there someway the K2 (#5422) needs or can be
RESET - to first know that, once I pull out existing
KNB2 option card, it again doesn't have one - and
then when I put new KNB2 populated card back in -
it knows again a KNB2 exists?

Wow - long winded, for "can I reset my K2?"   I'd
like to clear the K2's throat, before I put another
option card back in.  :>)

Thanks,
Fred N3CSY
6/27

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