Tone Signal Generator

- 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