Forget what  I have  said. First it  was the  +8.5V, not +5V  (but the  8 was
half-erased so  I didn't see it).  Besides, I have  found out that you  can use
your nail  as a screwdriver  when you can't  find one in  the room; and  with a
screwdriver you can tune the +8.5V power card... ;-)
 
  Eric