Question about XRS 9440 Radar Detector

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These don't detect like advertised

I went by a motorcycle policeman that was pointing his radar at me and detector did not go off. Everytime it has gone off the police were right on top of me and there was no reaction time. I was in heavy traffic several time and went by police and didn't pick up anything. My opinion is this probably won't save anyone any tickets.

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The detector will only work if there is a signal transmitting at the time. Depeding on what country you are in, police usually don't activate their radars three minuites before they register your speed. These are more meant for stationary speed cameras than hand-held ones.

Posted on Jun 21, 2009

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1 Answer

False alarm on the laser and stay on very long moment


Many vehicles have built in signals that radar detectors see as a laser radar. Basically there is no way around it. On my vehicles that emit this signal, I just disabled laser detection on the radar detector.

If your radar detector detects laser you are pretty much effed anyway. The time in capturing a speed reading is less than half a second with laser.

Oct 24, 2013 | Bel STi Magnum Radar Detector

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My valentine one will not pick up speed camera vans now it was working on KA band then went to K band now will not pick up?


They are using instant-on radar that has a weak K-band signal that is used to turn on the radar when you are in range. The signal is so weak that you cant detect it until you are in range of the main radar set. This is also known as radar detector countermeasures. Laser is worse. I have beaten laser twice with my Valentine 1 in California where it requires 2 reads to nail you. Slam on the brakes when your detector alerts..

Jul 17, 2011 | V1 Radar Detector

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I have the cobra xrs 9345 that my friend borrowed and when i got it back in plugged it in it just shows and 8 on the screen is there anyway i can get it back to normal?


hello my name is kenrik. About a year i bought a radar detector everything work good for like 8 month after that my radar don't make any detection i went by a cop using a laser gun and the radar didn't detect anything so what i can do ?
the model is cobra xrs 9345

Oct 01, 2010 | Electronics XRS9345 Radar Detector

2 Answers

Got a speeding ticket


What is your question? Your detector is an ok model but you should know most of those are of no use anymore as the new radar systems being used now are laser based and radar detectors won't detect them.

Sep 09, 2009 | RD 850 Radar Detector

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What does VG2 mean


It is a radar detector detector. So if you are running a radar in a state where it is illegal, this technology can detect the presence of your radar detector and you can be pulled over and ticketed. This is done by detecting the local oscillators and other "RF leakage" from the radar detector.
Sometimes you may notice that when you are near another car with a radar detector, your radar detector may go off. There are situations where your own radar detector can detect leaking RF energy from another detector in a nearby car.

Sep 09, 2009 | XRS 9330 Radar Detector

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NOT PICKING UP SIGNALS


Radars are like just about anything else you buy these days, you get what you pay for. If you want a cheap but most reliable for the price I would suggest the Whistler XTR-695 *est. price 150 bucks. Although many detectors are prone to being detected by radar detectors (used by law enforcement) this one is a little more likely. So if your state has a ban on radars I wouldnt buy. As far as distance in signal pick up the Valentine One I would go with *est.price400 bucks.

Jun 21, 2009 | XRS 9440 Radar Detector

1 Answer

What is pop and spector mean


POP is a type of radar mode which only a couple of radar guns have. In essence, radar gun in POP mode emits an extremely brief signal to measure a car's speed. This brief signal lasts for less than 1/5 of a second. POP mode can not legally be used to write speeding tickets since it is not as accurate as the radar gun's normal operating modes, and since POP mode provides absolutely no radar tracking history.

Most people turn off POP mode in their radar detector's options since POP radar is very rarely encountered and since users experience excessive false alerts with POP turned on.

Spectre refers to the Spectre radar detector detector (RDD) which police use to locate drivers who are using radar detectors. The current Spectre models in use by law enforcement are the Spectre III and IV models. Some Cobra radar detectors claim to be able to detect the Spectre I. This is of no value since all Spectre I RDDs have been upgraded to later Spectre models which Cobra radar detectors can not detect. In short, turn Spectre detection off since this feature is a needless source of false alerts.

Apr 22, 2009 | XRS 9330 Radar Detector

1 Answer

I dont understand


That may be because he does not have his radar unit activated. Radar units work by sending out a microwave signal. It bounces off your car and back to the unit. It then calculates the whole distance over time thing and figures out your speed...it's more complicated than that, but I don't feel like giving a class...and I'm not a real genius anyway when it comes to physics and whatever other -ics are involved with the science of radar. Point is...radar units have a hold function..kinda like turning that microwave beam on and off...when the officer has the radar on "hold" there is no beam coming out..which means, there is nothing for your radar detector to detect. When he takes it off hold to clock your speed, the magic beam shoots out, bounces off your car, and returns to the unit..then tells the officer your speed...by the time your radar detector actually lets you know you're being clocked, Mr. Officer is already turning around to come pull you over. Hence the reason radar detectors are a waste of money...but then again, there are plenty of cops that ride around with the the sending out a signal all day and never actually put it on hold...if a cop is using the radar properly, the radar detector in your car will not help you...but, not everyone does what they are supposed to do, so therefore, it may save you from one or two tickets.
Now, the reason it doesn't alert you when the police are right in front of you is because either the police in front of you; A)do not have a radar, B)do not have their radar on, C)they have it on "hold" and are not transmitting a signal, or D)your radar detector is broken and you need to get it fixed or replaced.

Jan 11, 2009 | XRS 9540 Radar Detector

3 Answers

I have a cobra radar dector esd 737 and i sdoesnt pick up cops tell they are like not even a half a mile ahead of you and tips or ideas how to get it to work better


Detecting of radar or lidar emissions depends on mounting of detector.In My experience it is best to mount it just above windscreen wipers.You must check if your detector is visible from license plate level. This is important for laser detection. For other measuring devices it's only important to be visible.Higher mounting facing downwards will reduce false X and K/Ka signals.It will reduce detecing of true as well, so it is all up to you.You must know that laser detecting only covers your car.It d'ont matter if a cop is 300m or 1800m away.X band has a large emission, and it is easily detected.K/Ka band is a pulse emitting and has a lot narrow detecting point.It is effective at max 800m.In ether case speed can be reduced 20-30 km/h in city, and 30-50 km/h on highway.

Apr 25, 2008 | ESD 7000 Radar Detector

2 Answers

Signals


When "X" lights up, this means that your RD is either detecting X band police radar or that it is detecting an X band microwave automatic door opener.

When "K" lights up, this means the same as above except that the radar signal is a K band radar signal.

When "Ka" lights up, then this means that your RD is detecting police Ka band radar since no automatic door openers operate on Ka band.

When "VG-2" lights up, this is supposed to mean that your RD is detecting a VG-2 radar detector detector (RDD). Police use RDDs such as the VG2 and the Spectre to indicate that a motorist is using a radar detector.

Sep 10, 2007 | ESD 7000 Radar Detector

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