1. Press "Setting" in the menu bar and choose "Scan Size...", then such a dialog box will pop up:
2. Click in the Number list box to select the frame to be scanned.
3. Click in the Scan Size list box. Please select "Max Area" to scan the whole image; otherwise,select "Custom" to adjust the scan size:
4. Press the "OK" button to save your settings and close the dialog box.
Press the "Cancel" to cancel your settings and close the dialog box. Press the "Apply" button, the settings you have made will be applied to the scanned image and you can see the effects of your settings . However, this dialog box will not be closed and you can make some further changes.