To avoid cross talk with adjacent systems or other infrared devices installers can choose between several scan frequencies. The wide-beam spacing is suitable for torso detection. Additional features include a 16-ms response, two pnp safety outputs, and three operating modes: automatic start, start interlock, and start/restart interlock. Configuration changes are through front-panel settings.

Scientific Technologies Inc.,
6550 Dumbarton Circle, Fremont, CA 94555,
(800) 479-3658, sti.com