Marburg

I'm having some troubles with what I think are called scansets.
This kind of stuff:
So it ignores anything that's scanned in untill it sees a number.
That's all good, but I don't seem capable enough to get it to work with minuses as well (for a negative number.)

It would be great if someone could give me a hand, or maybe even write a little tutorial covering scansets (so maybe I could actually learn something.)

Thanks!

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