Description
Detailed description
“The electronic buzzer is a warning device designed for use in rail vehicles. The rugged device has a dynamic speaker. There are four settings for volume and three settings for sound frequency.”
Design features
“Signalling for intermittent automatic train-running control and dead-man equipment
Wide range of operating voltages: 16.8 … 150 V DC
4 sound levels selectable
3 sound frequencies selectable.”