Taking the Channel 1 for example, the operation steps are shown as follows:
(1) Press the CH1 MENU button and get access to the CH1 SETUP menu.
(2) Press the H2 menu selection button and select ON for Inverted item. The
waveform inverted function is initiated.
(3) Press the H2 menu selection button again and select OFF for Inverted item.
The function of waveform inverted is closed off.
For the screen display, see Fig. 5-4 and Fig. 5-5
User Manual of Smart Digital Storage Oscilloscope
Fig. 5-4 Waveform not inverted
Fig. 5-5 Waveform Inverted
24