ViewSonic VX2262WM Service Manual - Page 25

5. Adjustment Procedure 5.1 ADJUSTMENT CONDITIONS AND PRECAUTIONS 1. Approximately 30 minutes should be allowed for warm up before proceeding. 2. Adjustments should be undertaken only on those necessary elements since most of them have been carefully preset at the factory. 3. ESD protection is needed before adjustment. 5.2 MAIN ADJUSTMENTS NO. FUNCTIONS 1. White Balance 2. Geometry DESIGNATION Function Key Function Key 5.3 ALIGNMENT PROCEDURES Approximately 30 minutes should be allowed for warm up before proceeding White-Balance adjustment. 1. Adjust of White Balance 1.) How to do the CA-210 MEM .Channel setting A、Reference to CA-210 user guide B、Use " MODE" key to modify x、y、Lv value and use "MEMORY CH" key to modify the TEXT description Following is the procedure to do white-balance adjust 2.) Setting the color temp. You want A、MEM.CHANNEL1 ( 9300 color): 9300 color temp. parameter is x = 0.283 ±0.003; y = 0.298 ±0.003; Lv ≥ 175 cd/m2 , B、MEM.CHANNEL 1 ( 7500 color): 7500 color temp. parameter is x = 0.299±0.003; y = 0.315 ±0.003; Lv ≥ 188cd/m2, C、MEM.CHANNEL1 ( 6500 color): 6500 color temp. parameter is x = 0.313±0.003; y = 0.329 ±0.003; Lv ≥ 213cd/m2, D、MEM.CHANNEL 1 ( 5000 color): 5400 color temp. parameter is x = 0.346±0.003; y = 0.359 ±0.003; Lv ≥ 175cd/m2, E、MEM.CHANNEL1 ( SRGB color): SRGB color temp. parameter is x=0.313±0.003; y=0.329±0.003; Lv≥85cd/m2, 3.) Into factory mode of VX2262wm/wmp: First Power off, then press Switch 1 button along with press Power button will activate the factory mode, then MCU will do AUTO LEVEL automatically. Meanwhile press MENU the OSD screen will located at LEFT TOP OF PANEL. ViewSonic Corporation - 25 - Confidential - Do Not Cop VX2262wm/wmp