 12/14/09 Fully integrated with Dispersive Signal Touch Technology, 40 in. Model P4050D-U1 and 46 in. Model P4650D-U1 offer optical clarity and are unaffected by surface contaminants, scratches, or static objects on screen. Units feature built-in expansion slot, RS-232 for multi-display control, and Ethernet connectivity for diagnostic purposes. Designed for continuous use, displays have sealed panel ... READ FULL SOURCE |