Bogen TG4C Tone Generator

**REQUIRES BOG-PS40C ADAP. 4 types of tones: steady, pulsed alarm, slow whoop, and chime. Tones triggered by external contact closure (momentary or long duration). Choice of continuous generation of tones or two-burst operation (except for steady tone). External audio signal can pass through TG4C and is suppressed during tone generation. Adjustable tone level and pitch. 600-ohm output.