... mount. 3.Compatible ELO and 3M controller 1931L-OT-04WS-SU 19" LCD Open-frame Touchmonitor19" SAW Touch Monitor ELO and ... (back):Power,Menu,Up,Down,Auto;Settings: contrast, brightness, H/V position;RGB(color temp),clock, phase, recall;Languages: English, German ... Options75 mm or 100 mm VESA mount,; 1931L-OT-04WS-SU 19" lcd touchscreen monitor