Viking Multi-Tone Generator, Viking Electronics, Mfr#: MTG-10

Ten available tones, organized into two groups of five tones- Contact initiated- Built-in background audio source fade-in/out- Priority ANSI compliant evacuation and siren tones- Telephone recording disclosure tone repeats every 15 seconds- Siren- Interrupted 784Hz tone- Door Chime Ding-Dong- Warble Electronic Ring- Double Gong- Evacuation Whoop ANSI/NFPA compliant, temporal slow whoop- Telephone Recording Disclosure Tone 500ms beep, every 15 seconds- Double Chime- Quadruple Chime- Double Buzz