Keysight DSOX1204A - Figure 1. Setting up Equipment for DC Vertical Gain Accuracy Test

22 DSOX1204A/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