OWON HDS1021M - Manual (Page 29)

OWON HDS1021M Handheld DSO & DMM 6-Using the scope
figure 15: AC-Coupling
6.16 Reversing the Polarity of the Displayed Waveform
To invert the input signal waveform, do the following:
1. Press the MENU key and the function menu appears at the right side of the screen.
2. Press the MENU ▲ or MENU ▼ key to select CH SETUP. Four items selectable are
displayed at the bottom of the screen.
3. Press F4 key to jump to Inverted. The inverted waveform of the channel is displayed on the
screen.
Now, you can see a screen that looks like the following figure 16.
figure 16: Inverted On
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