22 Keysight InfiniiVision 1200 X-Series and EDUX1052A/G Oscilloscopes Service Guide 
2 Testing Performance
 
Figure 1 Setting up Equipment for DC Vertical Gain Accuracy Test
7 Adjust the output so that the multimeter reading displays, as close as possible, 
the first Volts/div calibrator setting value in Table 5.
8 Wait until the measurement settles.
9 Read the “current” average voltage value again as V2.
10 Calculate the difference V2 - V1.
Oscilloscope
Oscilloscope
Calibrator
Digital
Multimeter
BNC Tee
BNC (f) to dual
bananna adapter