CASSY on-board computer control LCD display with back-light Full range discrimination on screen Tone discrimination Target Learn acceptreject Lightweight control box Moisturedust resistant features Custom programs store & recall 3 operating frequencies Target pin-point control Battery condition monitor Automatic Tuning Sensitivity AC Gain DC Gain Lightweight thin section POLO Search-head The R1 is a radically different computer-driven design. Totally new power with control & highly user-friendly. The R1 is fully functioning & ready to go as soon as you switch on. The computer Aided Search System keeps everything operating at peak performance. The back-lit display provides signal ID information & a Real Time Ground Radar Simulation to show you the signal information which the machine is actually reading when it locates a target Target signals are backed up by audio & of course theres a pin-point control for accurate localisation of finds. The Computer Aided Search System gives you easy rapid control of all the R1 functions. Have no techno-fear with the R1. You can change any aspect of the machines operation with just 2 controls & instantly see the effect. You can match the R1 to your site & your style of detecting in seconds