4. Set the OVP control at 30
V
resp. 6 0
V.
5 . Tu rn P105 slowly
CCW
until the output voltage suddenly disappears .
6 . S et the voltage control at 25 resp. 55
V.
Switch line
.
off.
7 . Line on. Increase output voltage slowly and check that it disappears at
30 resp. 60 V . If necessary, readjust Pl05.
45