Hantek 1008 User Manual page 40

You can also change the selected channel voltage in sidebar.
You can left click and drag the mouse on the knob to change the voltage.
Probe Attenuation Setting
Select the attenuation factor for the probe. To check the probe attenuation setting, toggle
the probe menu to match the attenuation factor of the probe.
This setting remains in effect before you change again.
Click "Probe" in Vertical Setup window to select the probe attenuation.
The probe setting window in the sidebar
Note: The attenuation factor x1, , _ - x10000 and 20:1 changes the vertical scale of the osc-
illoscope so that the measurement results reflect the actual voltage levels at the probe tip.
The attenuation factor CC65-CC1100 is used for current measurement work with AC/DC
Current Clamp.
Hantek 1008
DIGITAL OSCILLOSCOPE