E4A04 - Amateur Extra Class

E4A04 : How is compensation of an oscilloscope probe performed?
A A square wave is displayed, and the probe is adjusted until the horizontal portions of the displayed wave are as nearly flat as possible
B A high frequency sine wave is displayed, and the probe is adjusted for maximum amplitude
C A frequency standard is displayed, and the probe is adjusted until the deflection time is accurate
D A DC voltage standard is displayed, and the probe is adjusted until the displayed voltage is accurate
Correct Answer: A square wave is displayed, and the probe is adjusted until the horizontal portions of the displayed wave are as nearly flat as possible