Dell E173FPc5010. White balance, Luminance adjustmentApproximately 2 Hours should be allowed for warm up before proceeding White-Balanceadjustment.Before started adjust white balance, please setting the Chroma-7120 MEM. Channel 3 to 6500 0K colors, MEM.Channel 4 to 93000K colors, MEM. Channel 9 to 57000K (our 9300 parameter is x = 283 ±28, y = 297 ±28, Y = 175±20 cd/m2, 6500 parameter is x = 313 ±28, y = 329 ±28, Y = 180 ±20 cd/m2, and 5700 parameter is x = 328 ±28, y =344 ±28, Y = 180 ±20 cd/m2)How to setting MEM.channel you can reference to chroma 7120 user guide or simple use “ SC” key and “ NEXT”key to modify xyY value and use “ID” key to modify the TEXT description Following is the procedure to dowhite-balance adjustPress MENU and AUTO-ADJUST button during press Power button will activate the factory mode,Gain adjustment:Move cursor to “-Factory Setting-” and press MENU key to enter this sub-menu;Move cursor to “ Factory” and press MENU key;Move cursor to “ Auto Level” and press MENU key to adjust Gain and Offset automatically;a. Adjust sRGB (65000K) color-temperature1. Switch the chroma-7120 to RGB-mode (with press “MODE” button)2. Switch the MEM.channel to Channel 3 (with up or down arrow on chroma 7120)3. The LCD-indicator on chroma 7120 will show x = 313 ±28, y = 329 ±28, Y = 180 ±20 cd/m 24. Adjust the RED on OSD window until chroma 7120 indicator reached the value R=1005. Adjust the GREEN on OSD, until chroma 7120 indicator reached G=1006. Adjust the BLUE on OSD, until chroma 7120 indicator reached B=1007. Repeat above procedure (item 5,6,7) until chroma 7120 RGB value meet the tolerance =100±2b. Adjust Color1 (93000K) color-temperature8. Switch the chroma-7120 to RGB-mode (with press “MODE” button)9. Switch the MEM.channel to Channel 4 (with up or down arrow on chroma 7120)10. The LCD-indicator on chroma 7120 will show x = 283 ±28, y = 297 ±28, Y = 175 ±20 cd/m211. Adjust the RED on OSD window until chroma 7120 indicator reached the value R=10012. Adjust the GREEN on OSD, until chroma 7120 indicator reached G=10013. Adjust the BLUE on OSD, until chroma 7120 indicator reached B=10014.Repeat above procedure (item 5,6,7) until chroma 7120 RGB value meet the tolerance =100±2c. Adjust Color2 (5700 0K) color-temperature15. Switch the chroma-7120 to RGB-mode (with press “MODE” button)16. Switch the MEM.channel to Channel 9 (with up or down arrow on chroma 7120)17. The LCD-indicator on chroma 7120 will show x = 328 ±28, y = 344 ±28, Y = 180 ±20cd/m218. Adjust the RED on OSD window until chroma 7120 indicator reached the value R=10019. Adjust the GREEN on OSD, until chroma 7120 indicator reached G=10020. Adjust the BLUE on OSD, until chroma 7120 indicator reached B=10021. Repeat above procedure (item 5,6,7) until chroma 7120 RGB value meet the tolerance 100±222. Move cursor to “ Exit/Save” sub-menu and press MENU key to save adjust value and exit.Turn the POWER-button off to on to quit from factory mode.Max Brightness measurement:a. Switch to the full white pattern, in user mode main menu:1. Set Red, Green, and Blue to the max.2. Set Brightness, Contrast to the max.b. The Minimum brightness is 200cd/m2 ±20