Samsung SN6000 Series User Manual page 69

Discard Changes: Enables you to discard the selections you have
made and restore the values you previously saved. When you select this
option and press <Enter>, a message appears asking if you want to load
the previous configuration. Choose Yes and press <Enter> to load the
previous settings and remain in System Setup. Choose No and press
<Enter> to retain your changes and remain in System Setup.
Save Changes: Saves your selections without exiting System Setup.
When you select this option and press <Enter>, a message appears
asking if you want to save configuration changes. Choose Yes and press
<Enter> to save changes and remain in System Setup. Choose No and
press <Enter> to discard changes and remain in System Setup.
Battery Calibration: Enables you to discharge the system battery
completely for a more accurate battery level detection. This option only
works with the smart battery if the AC Adapter is not plugged in.
Samsung SN6000 Series User's Manual Using System Setup 58