What is hands free siren?
“Hands-Free” On/Off and access siren tones without taking hands from steering wheel. Two manual functions allow for additional siren tone choices when you need it the most. PTT (push to talk) switch on microphone overrides all siren functions.
How do you change the pattern on a Whelen light bar?
TO CYCLE FORWARD THROUGH ALL PATTERNS: Activate the function you wish to change the flash pattern on, (Takedowns, alley lights etc…) and apply +12 volts to the Scan-Lock™ wire (WHITE-VIOLET) for less than 1 second and release. This will change the pattern. Repeat to go to next pattern.
What is electronic horn?
Electronic horns are installed onto vehicles to create warning signals which are generated with an electronic circuit’s assistance. First, a solenoid is magnetized and then demagnetized so as to create the fundamental frequency that leads to the vibration of the diaphragm that is located in a compression chamber.
How many DB is a car horn?
110 decibels
Car horn: 110 decibels.
How many DB is a train horn?
130 to 150 decibels
At 130 to 150 decibels (average), that’s when train horns for trucks come into play. A train horn is basically a very powerful air horn that is used as a warning device on a massive locomotive. Depending on conditions (other ambient noise), a train horn’s sound can carry for several miles.
How do I change the flash pattern on my Whelen lights?
To change the flash pattern for any of the three pattern buffers, that buffer must be active. To advance to next pattern:Apply +12VDC to WHT/VIO wire for less than 1 second and release. To cycle back to previous pattern:Apply +12VDC to WHT/VIO wire for over 1 second and release.
How do you program a Whelen light?
To program a flash pattern, select the desired outputs or lightbar lightheads. Selected flash patterns will be highlighted blue. To the right of the lightbar or outputs is the flash pattern selection box. With the outputs selected, select the flash pattern and choose the phase and delay.