Keysight Technologies InfiniiVision 2000, Service Manual

Page: 32 / 86

32 2000/3000 X-Series Oscilloscopes Service Guide
2
Testing Performance
5 Read the “current” average voltage value as V1.
6 Use the BNC tee and cables to connect the precision source /power supply to
both the oscilloscope and the multimeter (see Figure 3 ).
Note: Set the Low Force terminal of the Precision Source to its "Floating" state
to prevent offset error caused by ground loop current from the Precision Source
ground to the DUT ground.
Figure 3 Setting up Equipment for DC Vertical Gain Accuracy Test
Precision Source
Oscilloscope
Digital
Multimeter BNC Tee
BNC (f) to dual
bananna adapter