S E C T I O N T W O2-4Feed-Through Track PositioningThe feed-though track allows measurements at any location within thepaper. This is possible because the track has a slotted opening, allowing thepaper to be slide through the track.The gray balance bar or color masthead bar is easily position on the trackusing a series of LED’s that illuminate from the track through the paper.The LED’s are located between the vacuum holes approximately every 5inches along the track. Open the paper and position it so the LED’s areshining down the center of the bar. The LED’s automatically shut off oncethe scanning head starts in motion.Bar positionLED’s illuminatethrough thenewspaperNewspaperVacuum Holes