Canon imageFORMULA DR-5080C High Speed Color Quick Reference Guide - Page 7

2 USEFUL FEATURES L FUNCTION KEYS Positioned at the top of the scanner's operation panel, the four Function Keys allow various settings to be registered (via the application software) for one-touch recall. Default settings for the four keys are: 1) manual thickness adjustment; 2) Imprinter ON/OFF (when this option is installed); 3) fixed thickness mode ON/OFF; and 4) double feed detection ON/OFF. Function Key 1 Function Key 3 Function Key 2 Function Key 4 L L MANUAL THICKNESS ADJUSTMENT Especially useful when scanning very thick or very thin papers, this function enables users to manually specify paper thickness so that documents may be fed smoothly into the scanner. FIXED THICKNESS MODE This mode disables the scanner's automatic paper thickness detection function; in doing so, it instructs the scanner to use the paper thickness value established through manual thickness adjustment (above). DOUBLE FEED DETECTION This function memorizes the length and thickness of the first page in the stack, and compares these values to every other page in the stack. An error message is displayed when a double feed (simultaneous feeding of two or more pages) occurs. This function should be OFF when feeding stacks of various paper types and sizes. For further details on these features, please refer to section 3.3 of the DR-5020/5080C Instructions manual ("Setting Scan Conditions"). 6 L