Public display series nec multisync e screen size 42 inches max resolution 1 920 x 1 080 pixel lcd technology s pva response time 7 ms aspect ratio 169 contrast ratio typical 3 0001 brightness 300 cdm refresh rate 60 hz widescreen dot pitch 0 484 mm viewing angle 176176 pixel density 5245 ppi horizontal frequency range 31 83 khz number of hdmi inputs 3 number of vga inputs 1 outputs spdif digital optical monitor connections rs232c