Find 1625 and set fils to 6.3v

The pinouts are completely different. IIRC the 807 is a 5-pin and the
1625 is a 6-pin. If the tester switches are there to swizzle the
connections around, they very probably won't get swizzled right by
setting it for the 1625.

Not to mention that if it doesn't list the 807 it probably won't list the
1625.

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http://www.wescottdesign.com

Oops! Sorry about that. I was going from 30 year old faulty memories.
Those were our basic choices as a Novice. Please disregard