Bogen TNG1S audio module

Multiple tone generator input module
- Select 4 of 8 tones to trigger
- 512 Hz Burst/steady, slow whoop, siren,
- mechanical bell, Klaxon, night ringer, double
- chime, & doorbell tones
- Momentary & continuous playback modes
- Screw terminal trigger connections
- Level control
- Microprocessor-controlled operation
- Mute send & receive
- 4 Priority levels