Each time you acquire an image a new document window is created.Acquire a new image from a Twain device
If you have a Twain compatible scanner, video capture card or numeric camera, you can acquire and create a new image document from within the application.
Acquire an image from a Twain device
1. If you have several capture devices, select the desired device using the File/Select Source command then click OK.
2. Choose File/Acquire to open the Twain interface.
Each time you acquire an image a new document window is created.