When you have installed the module, it will be displayed in the controlpanel. The basic options are shown below.

The usage is as easy as you think. Just press the reset button on the right side of the module.
After you click the button, a small popup asks you to confirm.

Keep in mind:
You reset all articles, banners, or users that match your selection.
You can only select one option at a time.
Reset cannot be undone.