10 About Your Monitor6789Connect the USB cable from the monitor to theUSB upstream port computer to allow you to use the USB ports andtouch screen function on the monitor.Connect your USB device. You must connect theUSB 2.0 downstream USB upstream cable to your monitor and computerports before you can use these ports.Use a security cable to prevent unauthorizedSecurity cable slot removal of the monitor. (security cable soldseparately)Use a M3 x 6 mm screw to lock the stand to theStand lock monitor. (screw not included)SpecificationsPanelScreen type Active matrix - TFT LCDPanel type TNViewable imageDiagonal 49.41 cm (19.5 inches)Horizontal Active Area 432.00 mm (17.01 inches)Vertical Active Area 239.76 mm (9.44 inches)Area 103576.32 mm 2 (160.54 inch2)Pixel pitch 0.27 mm (H) x 0.27 mm (W)Viewing angleHorizontal 170 degrees (typical)Vertical 160 degrees (typical)LuminancePanel 250 cd/m2 (typical)Monitor 225 cd/m2 (typical)Contrast ratio 1000:1 (typical)Dynamic contrast ratio 8,000,000 : 1Faceplate coating Anti-glare with hard coating 3HBezel gloss 3~5 gloss unitsTouch glass gloss >30 gloss unitsNOTE: The user should consider the placement ofthe display as the reflection of surrounding light andbright surfaces from the glass may causedisturbances to users.Backlight LED edgelight systemResponse time 2 ms (with overdrive)Color depth 16.77 million colors