Technical data

Testing Performance 2
4000 X-Series Oscilloscopes Service Guide 43
8 Press the Y2 softkey, then position the Y2 cursor to the
center of the voltage trace using the Entry knob.
The ΔY value on the lower line of the display should be
within the test limits of Table 10.
If a result is not within the test limits, go to the
“Troubleshooting” chapter. Then return here.
9 Disconnect the oscilloscope calibrator from the
oscilloscope.
10 Repeat this procedure to check the dual cursor accuracy
with the remaining Volts/div setting values in Table 10.
11 Finally, repeat this procedure for the remaining channels
to be tested.