this post was submitted on 11 Jan 2025
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[–] [email protected] 3 points 2 months ago

After a bit of searching, found some info on the "other place." K is for setting a constant. From this page:

The 3 position switch has OFF-ON-K. The 'K' position allows a number to be entered and retained as a constant for series multiplation (sic) and division.