2.4.2 Turning on the PowerAfter the power cable has been connected, press the powerswitch to the “-” position to turn on the scanner. To turn offthe scanner, please press the power switch to the “O”position.Power Switch2.4.3 Installing the Scanner DriverNOTE:1. The Windows system CD may be required when installingon some PC’s.2. To ensure your computer can identify the USB scanner,please install scanner driver first before connecting thescanner to your computer.3. The scanner driver contains both TWAIN driver and WIAdriver. If you are running Windows XP, or Windows Vista,after the installation of scanner driver is completed, thisscanner allows you to scan via a TWAIN user interface or aWIA (Windows Image Acquisition) interface. Start yourTWAIN-compatible image editing software application toselect a TWAIN or WIA user interface. Or you mightlaunch Microsoft’s Scanner and Camera Wizard to scan viaa WIA user interface.2-6