25S T E P 1Setting PreferencesThe Preference settings determine how Plug-in Module CS-U operates for the following options: output device(printer, files), scan area setting method, size display units,preview window size. You can change these options at anytime or restore the factory default settings. To change anyof these options, use the Preferences menu.Output DeviceAdds new output devices or file formats to the pop-up menu in the control panel.Devices are displayed by name. Resolution and other settings can be changed forthe devices or the devices can be removed.Hint• The preset devices cannot be edited or deleted.Aspect RatioTo set the size of the area to be scanned, drag the mouse to size the selectionframe in the preview window. The area inside the borders of the selection framewill be scanned.Adds a new device.Allows you to remove a device from the list.Allows you to changethe name andresolution setting.When the [Constrained] setting is selected, choose apaper size in the [Mode] option. The selection frame willhave a fixed aspect ratio (height to width ratio) when it isresized in the preview window.When the [Independent] setting is selected, the selectionframe can be freely resized and reshaped by dragging it.