- Federal Signal universal tone module, UTM is a microcontroller based tone generator capable of produ
- The UTM is the key component of a select one system or a single select one device
- Tone selection is made by setting five DIP switches
Federal Signal universal tone module, UTM is a microcontroller based tone generator capable of producing 32 different tones
The UTM is the key component of a select one system or a single select one device
Tone selection is made by setting five DIP switches