GlossaryApple-Compatible Driver: A Macintosh system extension that addresses the UMAX scanner in Apple Scanner emulation mode. This is used for programs that do not support the Photoshop Plug-in protocol or do not drive the scanner directly. Application Software: Software that is used to perform a specific function, e.g., image processing, OCR (Optical Character Recognition), or DTP (Desktop Publishing). ASPI: Advanced SCSI Programming Interface; SCSI communication standard developed by Adaptec. Black and White: A 1-bit image file capable of only displaying black and white image data with no intermediate gray levels. DIP Switches: Small switches mounted in or on computer equipment that set certain perimeters. Document Cover: The plastic cover that is lowered over a document on the scanner’s object glass. Expansion Slot Cover: A metal or plastic dust cover that covers the exterior “hole” in an expansion slot. Expansion Slot: A connector and bracket system in a computer into which an expansion or interface card can be inserted to add functions to a computer system. Folder: An electronic storage area used to store and organize files and other folders and is often represented on a computer screen by a folder-like icon. Grayscale: An 8-bit image file capable of representing all tones and colors in the image using 256 shades of gray. I/O Base Address: An address that is used for communication between a host computer and an expansion or interface card. All cards in a computer system must be set to different I/O addresses. Icon: The graphical representation of a computer file or piece of computer software. Indicator Panel: The area of the scanner that contains the LED indicators to show scanner status. Interface Card: A card that is inserted into an expansion slot to allow the connection of a peripheral device to a PC. Non-TWAIN Driver: An interfacing system that does not follow the TWAIN standard and is designed for a specific software package and a specific image input device. Object Glass: The tempered glass of the scanner where documents or objects to be scanned are placed. 17
