To preview what you want to scan press the preview button and you can make sure the scan is in a good position. With this done you can press the scan button to scan the document after this a dialog will show up asking you were to save what you are scanning.
To zoom in press the magnifying glass button with a plus sign conversely to move out press the magnifying glass button with a minus sign. To change your resolution change the scan resolution drop down and select the dots per inch you want to use.
To launch skanlite turn on your scanner and that it is connected to your computer. To launch the application go to the menu -> graphics -> skanlite or run
