Acer X1161 Acer X1161, X1261, X110 and H5360 Projector Series Service Guide - Page 67

2. Brightness Procedure Criteria - Full white pattern - Use CL100 to measure brightness values of P1~P9. - Follow the brightness formula to calculate brightness values. ☼ Brightness F ormula Avg. (P1~P9)*1.1m2 ● 1100 ANSI lumen Full white pattern 3. Full On/Full Off Contrast Procedure - Full white pattern & full black pattern - Use CL100 to measure brightness values of full white pattern P5 & full black pattern B5 - Follow Contrast formula to calculate contrast values. ☼ Contrast F ormula P5/B5 Note: P��5 L��u�x��o�f��c�e�n��te��r�i�n��fu��ll�w��h��it�e��p�a��tt�e�r�n� B5 =Lux of center in full black pattern Criteria ● 2500: 1 (for X1161/X1161A/X1161N/X110) ● 2100: 1 (for X1261) ● 2300: 1 (for H5360) Full black pattern 4. Uniformity� Procedure Criteria - Full white pattern - Use CL100 to measure brightness values of P1~P9 (see image: full white). - Follow the Uniformity formula to calculate average values. ☼ Uniformity F ormula JBMA Uniformity = Avg. (P1, P3, P7, P9)/P5 X100% ● 65% X1161/X1261/X1161A/X1161N/X110/H5360 Confidential 4-11