Saftey Bulletin 1 Sirens Flashcards
How should electro-mechanical sirens be operated
In a fluctuating manner
Sirens should be sounded on approach to and into an intersection
After traffic has yielded right of way and apparatus has passed through intersection button is released
Sirens and warning lights may only be used when?
When in engaged in emergency ops ie.:
Responding to alarms
Operating at alarms
Relocating to quarters of another unit
Not returning from alarms
Warning lights when operating at incident and in preparation for and while backing into quarters
When using a electro-mechanical siren when should release siren button when negotiating intersection
After all traffic has yielded the right of way and apparatus has passed through intersection
When using the electro-mechanical siren how should use siren in between intersections?
Siren should be used in warbling or fluctuating manner when necessary to warn pedestrians or vehicles pulling from curb
The electronic siren has three operating modes wail,yelp and high-low. Can you use the high low option
No it is prohibite
When using electronic siren in general what mode should it be operated?
In general it should be operated in “wail”mode
When should a electronic siren be operated in “yelp” mode
Heavy traffic or open approach to intersection
After traffic has yielded the right of way and apparatus proceeds through intersection yelp should be turned off or turned back to wail depending on conditions
Siren is a low speed device linked to about a _____ foot range and a speed of ______miles per hour ?
125 foot range and 30 mph