Keysight Technologies InfiniVision 6000L Series, Service Manual

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52 6000L Series Oscilloscopes Service Guide
3
Calibrating and Adjusting
Use 50 Ω RG58AU or equivalent BNC cables when performing User Cal.
a 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 8 User Calibration cable for 4-channel oscilloscope
3 Connect a BNC cable (40 inches maximum) from the TRIG OUT connector on
the rear panel to the BNC barrel connector.
4 Press the
Utility
key, then press the
Service
softkey.
5 Begin the Self Cal by pressing the
Start User Cal
softkey.
6 When the User Cal is completed, set the rear-panel CALIBRATION switch to
PROTECTED.
Longer cable
to TRIG OUT
To Channel 3
To Channel 2
To Channel 1
To Channel 4