Sealey TA4000 Manual page 46

You can also change the selected channel voltage in sidebar
Left click and drag the mouse on the knob to change the voltage.
Set Channel Coupling
Click "Coupling" in "Vertical Setup" window
In the sidebar, you can also change the channel coupling.
You can set the coupling to DC, AC or GND. If you set the coupling to DC, it blocks the
AC component of the input signal.

Original Language Version
TA4000 Issue: 1 - 06/09/11