A Calm Scene Is a Safe Scene 

I have to admit I'm not big on Whelen. But this was the best demo for on scene management i have ever seen 10/10.

This is awesome! It shows and explains these pattern options tremendously well.

I saw this at FDIC 2022 wow did this blow me away.

I never thought lights can be so interesting and cool

Simply Amazing! Wow! Good job Whelen! I wish we had here in Europe! I was😮 for the whole video ❤

Reminds me of the 90's Old halogen flashers

0:41 that scared me way more then it should of

Excellent analysis and great implementation from 3:39. Concept is very good and does what warning arrays should do: give high information transfer, particularly at night, along with vehicle identification (i.e. all flashes synchronized and slow, with large lamp face). Berkhout in the late 70s showed the best information transfer arrangements, and that alternating bi-coloured arrays were the worst: they gave deceptive indication of motion when there was none. We have known since Crawford's work in 1962 (The Perception of Light Signals: The effect of the number of irrelevant LIghts) that flash distraction is an impediment, not a benefit. Thus the array shown at 3:39 is probably the only pattern that should ever be used, although the Australian FRV trucks have an excellent method of symmetrical bi-colour arrays: see ru-vid.com/group/PLk_ETE9IGgCmsMyjjNUq-pCdQDdkmzU-H&si=XjZt248YcJkrOzAK . The impact of synchronized arrays is very powerful as the light 'integrates' over area and there are no distracting flashes that drivers have to sort out to interpret. This makes the driver's workload far lighter and contributes to good decision-making and therefore safety.

Why do they used Motorola Spectra siren sfx instead of it's own sirens sfx at the beginning of the demo???😂😂

Free my bro W from the cloud

Honestly prefer the super flashy ones more

Good stuff but people are still dumb

Meh, it’s cool. But seems like a party trick at the end of the day. I’ve never been on a scene at night and thought “wow, I wish there was less light”.

HATE this wave slow pattern looks horrible in person.