OWON HDS1021M - Manual (Page 42)

OWON HDS1021M Handheld DSO & DMM 8-Advanced Function of Oscilloscope
Probe
1X
10X
100X
1000X
Select one according the probe attenuation factor to ensure a
correct vertical scale reading.
Inverted
OFF
ON
Waveform is displayed normally.
Open the Invert function of the waveform setting.
8.2.1 Setting the Channel Coupling
For example, the measured signal is a square wave signal containing a DC offset. Press F1
Coupling first and then AC to make an AC coupling setting. The DC component contained in the
tested signal is blocked.
Press F1 Coupling first and then DC to make a DC coupling setting. Both dc and ac components
contained in the tested signal are permitted.
Press F1 Coupling first and then Ground to make a Ground coupling setting. Input signal is
interrupted.
The waveform is displayed as the following figure 32, figure 33, and figure 34.
figure 32: AC Coupling
figure 33: DC Coupling figure 34: Ground Coupling
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