P3150/P3250/P3150 Refresh/P3250 Refresh Confidential 4-11☼ Contrast FormulaP5/B5Note: P5=center of white imageB5=center of black image.Criteria - 1400:14. UniformityProcedure - Full white pattern- Use CL100 to measure brightness values of P1~P9(see image: full white).- Follow the Uniformity formula to calculateaverage values.☼ Uniformity FormulaANSI Uniformity = Avg. (P1, P3, P7, P9) /P5X100%Criteria - 65%4-9 Others1. Functional InspectionKeypad button - All keypad buttons must operate smoothly.General - All OSD functions must be checked for functionality. When OSD menu isdisplayed, there shall be no visible peaking, ringing, streaking, or smearingartifacts on the screen.Factory Default - The factory settings (with appropriate centering, size, geometry distortion,etc.) shall be displayed upon “Recall” is selected from OSDDisplay Size - All preset modes shall expand to full screen size using OSD Horizontal andVertical Size controls
