>
>>Just took apart my Metcal MX2 PSU out of curiosity, and found a little
pushbutton switch inside,
>which is operated by a small grubscrew in the side of the case - anyone know
what it's for...?
> I don't have the original manual so I don't know if there's any mention of it
in there....
> Metcal irons are RF driven. That may be an interlock switch.
Nope - it works with the switch in either position. It also doesn't appear to alter the action of the trip function.