http://nwcom.info/Driver/Monitor/ViewSonic%20VP171b/PDF/compchart_lcd.pdf
http://nwcom.info/Driver/Monitor/ViewSonic%20VP171b/PDF/LR_VP171s_VP171b_ds.pdf
http://nwcom.info/Driver/Monitor/ViewSonic%20VP171b/PDF/reg.pdf
http://nwcom.info/Driver/Monitor/ViewSonic%20VP171b/PDF/vp171-1_ug_eng.pdf
http://nwcom.info/Driver/Monitor/ViewSonic%20VP171b/PDF/vp171-1_ug_rus.pdf