Operating Basics
8. Set the vertica
l amplitude scale to logarithmic (LOG)orlinear(LINEAR)by
pressing the function button under that menu item.
9. You can turn th
e FFT display on and off (toggle function) by selecting ON
or OFF under the FFT menu item.
Compare Waveforms
Youcandisplayafixed reference waveform with the actual wa v eform for
comparison.
To create a reference waveform and to display it with the actual waveform, do
the following:
1. Press the Acquire button.
2. Select ACQUIRE OPTIONS.
44 THS3000 Series Oscilloscopes User Manual