Hantek DSO4072 User Manual page 59

Click "Wave Parameter->Parameter" to sewaveform frequency and poin number. The
1)
maximum of point is 4096.
Click "Edit->Points Edit" to set pointindex and voltage. Also user can drag left mouse to
2)
edit points.
Click "File->Save CSV", and save CSV file to U disk or other paths.
3)
4) Insert U disk to the USB port of the device, select wave as "Arb ". Then press "Recall"
menu to recall saved file. Use a test lcable connect the signal to the signal output terminal,
observe the output waveform figure as follows:
DSO4000 Series Digital Storage Oscilloscope
Basic Operation
50