Calibrating and Adjusting 3
2000/3000 X-Series Oscilloscopes Service Guide 61
Figure 10 User Calibration cable for 2-channel oscilloscope
b For a 4-channel oscilloscope, connect BNC tees to the equal-length cables
as shown below. Then connect a BNC(f)-to-BNC(f) (barrel connector) to the
tee as shown below.
Figure 11 User Calibration cable for 4-channel oscilloscope
4 Connect a BNC cable (40 inches maximum) from the TRIG OUT connector on
the rear panel to the BNC barrel connector.
5 Press the [Utility] key; then, press the Service softkey.
6 Begin the Self Cal by pressing the Start User Cal softkey.
Longer cable
to TRIG OUT
To Channel 3
To Channel 2
To Channel 1
To Channel 4
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