UTD1000L User Manual
29
Select AC Coupling
Reverse Polarity of the Displayed
Waveform
After resetting, the oscilloscope shall be DC
coupling and screen shall display AC and DC
voltage To use AC coupling when want to observe
a small AC signal loaded on the DC signal
To select AC coupling under the following steps:
1. Press key CHANNEL to show channel menu
2. Press key F1 to select channel coupling as AC.
To display input port waveform in opposite phase
under the following steps:
1. Press key CHANNEL to show channel menu
2. Press key F4 to select starting opposite phase
and the opposite phase waveform shall be
displayed on the screen.
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Picture 4-22 AC coupling
Picture 4-23 opposite phase display of waveform