[RWebb]

yes, I think that is how it works (based on my extensive reading of Samba posts)

thanks everyone! there is no assistant - I may be able to recruit later but need to limit the recruitments, so will save that for something that absolutely needs 2 people

I think I'll just use a 9 V battery to be safe - if it clicks I know; if no click then I may need more than 9 V.