Troubleshooting 4
Keysight InfiniiVision 1200 X-Series and EDUX1052A/G Oscilloscopes Service Guide  47
 
To perform an Auto Scale on the Probe Comp signal
1 Press the [Default Setup] key. The oscilloscope is now configured to its default 
settings.
2 Connect an oscilloscope probe from channel 1 to the Probe Comp signal terminal 
on the front panel.
3 Connect the probe’s ground lead to the ground terminal that is next to the Demo 
2 (Probe Comp) terminal.
4 Press [AutoScale].
5 You should see a waveform on the oscilloscope’s display similar to this:
If you see the waveform, but the square wave is not shaped correctly as shown 
above, perform the procedure “To compensate passive probes" on page 48.
If you do not see the waveform, ensure your power source is adequate, the 
oscilloscope is properly powered-on, and the probe is connected securely to 
the front-panel analog channel input BNC and to the Demo 2 (Probe Comp) 
terminal.