HP 120A - Page 26

Sect. II Page 10
VERTICAL SENSITIVITY CALIBRATION
1. Set VERTICAL SENSITIVITY control to CALI-
BRATOR position.
2. Set VERNIER to CALIBRATED position.
3. Adjust VERTICAL GAIN control to give a
Figure
pattern height of 6 centimeters.
The vertical amplifier is now calibrated so that
the engraved markings on the VERTICAL SENSI 
TIVITY control are accurate within ±5% whenever
the VERNIER control is returned to the CALI 
BRATED position.
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