These radars feature sophisticated "Strong Signal Processing" for real-time presentation and superior target discrimination. This special signal processing provides a steady image even in case of unstable targets. Other superior features are Enhance (ENH), Interference Rejection (IR), Range Rings (RR), VRM EBL, Trail (True/Rel), Off centering, Echo alarm, NAV line , Coast line, Route map, Guard zone, Monitor output, DR output. Interswitch function for connecting two radar displays without an extra device. ARPA functions except Trial maneuver function are provided.