Troubleshooting 4
Keysight InfiniiVision 1200 X-Series and EDUX1052A/G Oscilloscopes Service Guide 43
✔ Check that all oscilloscope probes are connected to the correct signals in the
circuit under test.
✔ Ensure that the probe’s ground lead is securely connected to a ground point in
the circuit under test. For high-speed measurements, each probe’s individual
ground lead should also be connected to a ground point closest to the signal
point in the circuit under test.
✔ Check that the trigger setup is correct.
✔ A correct trigger setup is the most important factor in helping you capture the
data you desire. See the User’s Guide for information about triggering.
✔ Check that persistence in the Display menu is turned off, then press the
Clear Display softkey.
✔ Press the [Auto Scale] key.
If you cannot see a channel
✔ Recall the default setup by pressing [Default Setup]. This will ensure that the
trigger mode is Auto.
✔ Check that the oscilloscope probe’s BNC connector is securely attached to the
oscilloscope’s input connector.
✔ Check that the probe clips are securely connected to points in the circuit under
test.
✔ Check that the circuit under test is powered on.
You may have pressed the [Auto Scale] key before an input signal was available.
Performing the checks listed here ensures that the signals from the circuit
under test will be seen by the oscilloscope. Perform the remaining checks in
this topic to make sure the oscilloscope channels are on, and to obtain an
automatic setup.
✔ Check that the desired oscilloscope channels are turned on.
a Press the analog channel key until it is illuminated.
✔ Press the [Auto Scale] key to automatically set up all channels.
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