... , or by Auto-optic induced. View AngelHorizontal 160'';Vertical 140'' Best viewing distance(m)>=10 Communication distance ( ... 511, 104 Refresh Frequency (Hz)>=180 Picture display methodDots to dots display synchronized with CRT Signal interfaceDVI Input signalVideo:PAL ... /NTSC optioned.VGA,Svideo,DVD,TV Display format800 * 600,1024 * 768, 1280*1024 SoftwareSupport ...