Ricoh FT556 Service Manual page 137

31 March '87
4. Remove the DIP switch cover [A], and turn
on DIP SW 201-8.
5. Turn on the main switch; then, press "5",
"4", and "#" in that order.
Vsg is displayed in the Magnification indica-
tor for ten seconds.
6. Adjust Vsg using the variable resistor [B]
on the front of the ID sensor board [C].
(Turn clockwise to increase [Hl]. Turn
counterclockwise to decrease [L].)
7. Turn off the main switch and DIP SW 201-8.
3-8