Download "user manual"

Using Rebound!
As soon as you finish installing Rebound!, it will begin monitoring your system for crashes. Rebound! is designed to
work unobtrusively in the background: you will never see
any sign that it is working until your system crashes!
The Rebound! control panel
Rebound!’s default configuration should work in most systems, but you can customize its settings using the Rebound!
control panel. This control panel is installed in the Control
Panels folder, and can be accessed from the Apple menu.
When you open the control panel, a window appears with
three tabs. Click on a tab to reveal its configuration panel.
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Rebound!