For Use on C-TEC Quantec. C-Tec Quantec Monitoring Point with Magnetic Reset - QT604M. A key switch isolatable monitoring point with a secure magnetic reset target button for cancelling calls. Versatile - Can be used to monitor any device with a normally open or normally closed switch - so ideal for interfacing PIRs, strip switches, flow switches and other switch type devices to monitor them on to the Quantec nurse call system.