The city I live near uses LTI Ultralyte laser guns. An officer let me shoot the gun the other day. First time I ever shot a laser gun. It gives me information about why my V1 acts how it does when getting hit with laser sometimes. I thought I'd share it.
Sometimes I would be driving where Troopers use laser (I think the same gun)... sometimes my V1 would be going off for maybe 5 seconds on laser, and sometimes it would go off for 1 or 2 seconds.
I realized when it goes off for 1 or 2 seconds, the officer shot me by pressing the trigger and releasing really quick and got a reading. When it goes off for more than that, the officer is holding down the trigger until a reading comes up. That's why there has been times when the V1 would be going off, I'd quick react and get to speed and it's still going off, but THEN the officer gets the reading... so it seems one should never give up and just say "oh I'm going too fast and I'll accept the ticket"... with a V1, at least TRY stopping, since not all officers get a reading right away.