RAPID CONFIGURATION71FOVBlue Diamond™in focusFigure 8 – Focus Function Using Blue Diamonds™6. Exit the Focus function by pressing the X-PRESS™ push button once. The BlueDiamonds™ turn off.7. Replace the lens cover, screwing it tightly to the base.STEP 5 – CALIBRATE IMAGE DENSITYIn order to function correctly to the fullest extent of its capabilities, Matrix 400™ must acquireinformation regarding image density or PPI (pixels per inch). This calibration takes placethrough the X-PRESS™ Interface and the Grade A Barcode Test Chart included in thepackage. This procedure is necessary for the first time installation, if the lens type is changedor if the focal distance is changed.Locate1. Enter the Focus function by pressing and holding theX-PRESS™ push button until the Focus LED is on.2. Release the button to enter the Focus function. TheBlue Diamonds™ turn on.3. From the Grade A Barcode Test Chart, select thelongest code whose length fits between the two BlueDiamonds™. Rotate the code 90 degrees andposition the code at the center of the FOV(equidistant from the Blue Diamonds™).4. Exit the Focus function by pressing the X-PRESS™push button once. The Blue Diamonds™ turn off.READYgreengreenyellowyellowredSETUPFOCUSTESTLEARNGOODTRIGGERCOMSTATUSFigure 9 – X-PRESS™ Interface:Locate Function