HP 120A - Page 25

Sect. II Page 9
VERTICAL BALANCE ADJUSTMENT
1. Set VERTICAL SENSITIVITY control to OFF.
2. Turn VERNIER full counter-clockwise.
3. Center trace or spot vertically with VER 
TICAL POSITION control.
Figure
4. Turn VERNIER full clockwise.
5. Adjust VERTICAL DC BALANCE control to
center trace or spot.
Repeat steps 2 through 5 until the trace or spot
doesn ’ t move as the VERNIER control is rotated.
2-7
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