12Checking Your Operating EnvironmentThe following computer system requirements are recommended forusing the CR-50/80.Operating Systems:• Microsoft Windows XP (32bit) SP3 or later• Microsoft Windows XP (64bit) SP2 or later• Microsoft Windows Vista (32/64bit) SP1 or later• Microsoft Windows 7 (32/64bit)Specifications:• CPU: Intel Core2 Duo 1.8 GHz or faster• Memory: 1 GB or more• USB 2.0 interfaceInterface Cable• Use the cable provided or a Hi-Speed USB 2.0 interface cable toconnect to the computer’s USB port.Precautions for Use in 64-bit Operating Systems• The ISIS/TWAIN driver supplied with this product supports scanningwith 32-bit applications only.• Even with 32-bit applications, not all ISIS/TWAIN compliantapplications are guaranteed to operate.• Scanning speed may vary depending on the specifications of your computer.IMPORTANT• If you use the USB interface that was provided as standard withyour computer:• Use the most recently available USB 2.0 driver provided byMicrosoft. Contact your local authorized Canon dealer for moredetailed information.• Not all USB interfaces provided as standard with personalcomputers are guaranteed. Contact your local authorized Canondealer for more detailed information.• Scanning speeds are slower if your computer’s standard USBinterface is USB 1.1.• You should use the USB cable originally bundled with the scanneror a Hi-Speed USB 2.0 compatible cable.• If the CPU, memory, interface card, and other specifications do notsatisfy the installation requirements, the scanning speed may begreatly reduced and transmission may take longer.• Even if the computer satisfies the recommended specifications, thescanning speed may vary, depending on the scan settings.Installing the Scanning UtilityFollow the instructions below to install the Scanning Utility and thededicated driver.NOTEThe dedicated scanner driver is installed after the Scanning Utilityhas been installed.1 Turn ON your computer, and log on to Windows.IMPORTANTBe sure to log on as the Administrator.2 Insert the setup disc into the disk drive.This manual assumes that “D” is assigned to your disk drive.3 Click [Start], and then click [All Programs].The procedure in Windows XP is different from the ones describedin this manual. Refer to the Windows XP “Help and SupportCenter” to select [Run].