>> Have a look at the below link. From what I gather, the actual brand is
>> "Schalter", which is owned by Assmann. "Tast" is German for "test",
>> which I suppose is actually a colloquial expression of a function, I
>> don't know what.

> Schalter means switch. "Tast" is most probably an abbreviation for
> "Taster", which is a switch that closes (or opens) the connection only
> as long as you push it, rather than making the connection until you push
> it again. What would be the English term for that kind of switch?

> The German word for "test" is "test" as well.

> Best from Germany ;-)
> Boris