... Auto gain control to ensure diodes with max, efficiency4. Convection cooled for noiseless, reliable operation5. Mounted on celling, wall, floor, ... interpretation4. Easy to operate, just with a single press5. IR Transmit main unit could connect 6 interpreter's units6. ... on system units10. Prevention on interpreter's coughSI-R7406 IR Receiver1. Pocket size wireless handheld unit2. Accommodates up to ...