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  1. #1
    Newcomer
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    Feb 2011
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    Houston, tx
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    Default V1 K band failure on 24.2

    I was driving down the street and my Redline went off on 24.202 full blast but my V1 (1.8) was completely silent as I passed the source which was a speed road sign on the side of the road. I drove a little ways down the road and encountered a Harris county sheriff using K band and my V1 and Reline went off. Is my V1 broken? V1 one is set to little L. Redline is autoNoX
    Whats funny is I had an older (big version) V1 and it was doing the same thing but with Linn County Sheriff (Iowa) cars but would pick up all other K band. I had an 8500 along with it back then. Valentine fixed it no charge.

  2. #2
    Advanced Member
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    Dec 2004
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    Michigan
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    7,509

    Default Re: V1 K band failure on 24.2

    Originally Posted by Mike Valentine

    "The failure to alert to a particular speed sign might have one of several causes:

    1) The speed sign may employ an FM-CW modulation technique to sense the direction of vehicles in its field of view. This feature is used to isolate departing from oncoming traffic. The V1 does not recognize FM-CW modulation as a valid police radar signal and tries to reject it. FM-CW is allowed for license-free "Part 15" devices by the FCC. FM-CW is not allowed for police radar. There are numerous traffic-volume sensors using FM-CW spread all around metropolitan areas these days that detector owners would rather not produce an alert. Otherwise freeway driving (in Cincinnati, at least) would be very annoying. It's a good thing that the V1 rejects FM-CW modulated signals.

    2) The speed sign may have drifted out of the police radar band from aging or temperature. "Part 15" devices are somewhat notorious for this behavior. Automatic door sensors and Doppler security sensors are both "Part 15" devices, too. Few automatic door sensors use FM-CW because of the added expense. The speed sign devices can afford the added cost of including the FM-CW modulating hardware.

    3) The V1 in question may need for our service department to have a look at it to make sure it is operating correctly."
    .

  3. #3
    Newcomer
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    Default Re: V1 K band failure on 24.2

    Thanks, I will go by there and stop and look at the sign because it was on the side of a city street displaying your speed. Anything that could tell me its FM-CW? You would think that the Redline's superior antenna would be the same way especially set to AutoNoX.

  4. #4
    Experienced
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    Apr 2009
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    Back in the Midwest!
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    Default Re: V1 K band failure on 24.2

    wasn't there something about SWR (or whatever its called), the safety warning system that you can turn off on Escorts......seem to remember there were two different types of this......Escort alerted to one of them and V1 to the other. V1 would alert K band when detecting this.

  5. #5
    Professional
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    Sarasota, FL
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    Default Re: V1 K band failure on 24.2

    .
    Last edited by speeddemon; 09-20-2011 at 11:31 PM.

  6. #6
    Experienced
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    Default Re: V1 K band failure on 24.2

    Quote Originally Posted by speeddemon View Post
    Quote Originally Posted by yamaha1 View Post
    wasn't there something about SWR (or whatever its called), the safety warning system that you can turn off on Escorts......seem to remember there were two different types of this......Escort alerted to one of them and V1 to the other. V1 would alert K band when detecting this.
    From the V1 website:

    What is Safety Warning System, and does Valentine One have it?
    - G.B., Michigan

    Once upon a time, when radar detector makers were in one of their Bullet-List wars—that is to say, competing amongst themselves to see who could advertise the longest bullet list of features—they made a big issue of “safety radar.”

    safety warning systemThere were two competing formats, Safety Alert® and Safety Warning System™ (SWS). But the basics were the same; both depended upon transmitters in official vehicles—police cars, ambulances, and fire trucks—sending out various coded K-band signals that would be picked up by radar detectors. An SWS detector would have the ability to translate these signals into text or voice warnings. Radar detectors without the feature would respond to them as normal K-band alerts.

    V1 never had such a feature. My view of it was always the same, “Show me the system.”

    Here’s the problem. An expensive transmitter would be needed in those emergency vehicles. Would police and fire departments and ambulance companies ante up something over $1000 to buy a transmitter for each vehicle just to warn a few radar detector users when they were already warning all motorists in the vicinity with very effective sirens?

    Two chances of that happening: slim and none.

    But the makers of ordinary radar detectors flogged safety radar hard in their ad pages. Escort® and Passport® had their trademarked SafetyPilot™ Technology, complete with a cute little symbol showing a red car in a blue bull’s-eye. It was based on Safety Alert at first, then switched over to SWS.

    safety radarBut now, you might say that Safety Pilot Technology has run off into the ditch. The Passport® 8500 X50—“The Expert’s Choice” according to its advertising—was born without any sort of “safety radar.” Why? One of the company’s spokesmen said. “We decided to stop incorporating that in our detectors because there just isn’t much of it out there.”

    Right. That’s what I’ve always said. But they advertised SafetyPilot Technology for years, just as if it had real benefit. And it did—to the company. If you can make your old models obsolete, then loyal customers will feel they should buy the latest. We don’t do that. No V1 we’ve ever made is obsolete. Every one can be upgraded to today’s technology at a reasonable price (/upgrades).

    V1 offers superior warning against radar and laser. No red herrings, no froufrou, and no cute little symbols to distract from the only reason to buy a detector in the first place.

    One more fact: Some folks think those highway warning signs, usually on trailers, that set off radar detectors are Safety Radar. They aren’t. Instead, they are shams to get around the FCC prohibition on drone transmitters (the anti-speed forces love the idea of drones as a way of annoying radar detector users). There’s no encoded message here, just plain old radar. Still, after years of my competitors advertising Safety Alert and Safety Warning System, I guess I can’t blame folks for expecting to find it somewhere.

    Escort® and Passport® are registered trademarks of Escort, Inc. SafetyPilot™ is a trademark of Escort, Inc. SWS™ is a trademark of SWSLC. Safety Alert® Traffic Warning System is a registered trademark of Cobra Electronics Corporation.
    Guess that answers that!

  7. #7
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    Default Re: V1 K band failure on 24.2

    So I passed a sheriff on the side of the interstate using K band 24.2 (Redline) in my county and my V1 was COMPLETELY silent and my Redline was pegged. It was clearly coming from the sheriff on the side of the Interstate. This is the second V1 I have had do this!! The first one(1.7) as i mentioned (and fixed for free by V1) did the same thing! This is really weird.

    Current V1 1.8

  8. #8
    Lead Foot
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    Mar 2010
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    438

    Default Re: V1 K band failure on 24.2

    Is it possible the V1 only reads K-Band up to 24.200? The typical operating range of K-Band RADAR is 24.000 to 24.250? I don't think that is the case. At OP, and Cruser try a local store's door opener that usually provides a false

  9. #9
    Professional
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    Aug 2005
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    Anchorage, Alaska
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    Default Re: V1 K band failure on 24.2

    I would definitely send that in to get looked at and fixed!

  10. #10
    Power User
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    May 2007
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    3,827

    Default Re: V1 K band failure on 24.2

    A couple of things, slight chance the redline is interfering with the V1, you should never run 2 detectors together (maybe if you had a remote 9500ci or sti-r with the antenna in the grill I would take that chance since the distance between the 2).

    As for 24.2 seem like the cops radar is out of tune, 24.150 is ideal and I have seen up 24.176 or so to be real threats.

    By any chance was he near a speed sign this time?

    Another thing drive up to a CVS and see if you get K falses, this is a quick way to test K at least.

 

 

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