HP 120A - Page 31

Sect. II Page 15
o
ALIGNING SCOPE TRACE WITH GRATICULE
To align oscilloscope trace with graticule, re 
move oscilloscope from cabinet; then
1. Loosen locking clamp with screwdriver.
2. Adjust fiber lever to adjust position of cathode -
ray tube in both radial and longitudinal direc 
tions. CAUTION HIGH VOLTAGE. TAKE CARE
NOT TO TOUCH TERMINALS WHICH HAVE A
HIGH POTENTIAL ON THEM.
When the cathode-ray tube is in desired position
tighten locking clamp and replace instrument
in cabinet.
Figure 2-13