Question about XRS 9330 Radar Detector

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Doesn't detect all cops.

I have a cobra radar detector and was driving last night and seen a cop but my radar detector did not pick it up. Why does it not pick up all cop cars?

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I drove right past highway patrol with radar gun pinter at me and it didn't make a sound...its garbage..dont buy

Posted on Apr 06, 2014

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Posted on Jan 02, 2017

SOURCE: Cobra radar detector speaker replacement

I contacted Cobra via internet site and ordered the speaker. However, it has been on order for over 6 weeks and still not here. I would have figured this would be a relatively high failure item and would be stocked. Thanks for the response. ohmhead

Posted on Mar 27, 2008

  • 4 Answers

SOURCE: i have a cobra radar dector esd 737

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.

Posted on Jul 12, 2008

  • 1 Answer

SOURCE: 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.

Posted on Jun 02, 2009

budice7h20
  • 93 Answers

SOURCE: 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.

Posted on Jun 21, 2009

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1 Answer

What do codes on Cobra radar detector mean?


Here are some answers:
if its like most, x means dont worry unless your in hicksville alabama and the
cops steal their radars off the grocery store doors, k and ka means cop
when L goes off, it\'s most definitely a cop. L basically means "You\'re already
screwed, hurry up and pull the radar detector off your window to lessen the blow
there is no Sa on mine, just S which means strobe for emergency vehicles. mine S
hardly ever goes off, the X however goes off all the time

Jan 13, 2013 | Cars & Trucks

1 Answer

Police pointed laser at me on freeway and 7100 did not detect


the laser receiver on these are really horrible it usually only picks up the laser if its fired directly near the unit but most cops fire the laser at the front grill or rear of the back of the car and the model you are using is a low end model so the field of view for picking up the laser is really small. most rader/laser detectors that are dash mounted dont usually pick up the laser signal. and when they do its usually as soon as you pass the source of the laser

May 07, 2011 | 9-Band Radar/Laser Detector

1 Answer

Hi my name is mat. i have a cobra xrs9690. and anytime an emergency vehicle is by me my detector doesnt go off. and if a cop goes past me the ka-band beeps up to about level 2 or 3 and then goes away. is...


Hi. Radar detectors do not sound whenever a police car or emergency vehicle is nearby. They only work if the police officer is using radar, and if he's within the range of your detector. Many states now use "LIDAR", which isn't detectable by many radar detectors.

Mar 13, 2011 | Vehicle Parts & Accessories

1 Answer

What does K1 mean?


The letters X, K, and Ka designate radar frequency bands used by radar based speed monitors. The letters correspond to designations given by Federal Communication Comission (FCC) frequency bands reserved for speed monitor equipment.
  • X band - 10.525 GHz
  • K band - 24.150 GHz
  • Ka band - 33.4 ... 36 GHz
The number (range is 1 ... 5) is the radar signal strength, where 1 indicates weakest signal (you are still at some distance, or maybe false alarm) while at 5 you should be able to see the white in the eye of the cop holding the radar gun.

The letter V indicates the detection of a "Detector Detector". Devices like the Cobra are illegal in some countries and police has counter-measures available to detect some radar detectors. The maker of the Cobra states, their products go unnoticed but that won't help you if highway patrol sees the thing sticking on your windshield.

The letter S indicates hazard warnings (like train crossings).

Finally, L indicates detection of a LASER based velocity detector.

Jan 05, 2011 | 12-Band Radar/Laser Detector

1 Answer

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

1 Answer

I HAVE A CORA XRS 9685 RADAR AND IT DOESENT WARN ME WHEN I AM NEAR COPS?


find a mobile speed trailer somewhere in a neighborhood just because it doesnt alert when you are next to a patrol car doesnt mean it isnt working 9 out of 10 the radar gun isnt on in the car or the gun is set to alert at a higher speed than what you are doing
i always check mine at the mobile speed trailers that the cops set up in neighborhoods

Apr 21, 2010 | XRS-9685 Radar Detector

1 Answer

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

How do cops not get detected by the radar?


Radar detectors usually look for a specific type of signal. Most likely, while the cop is driving around he may not have his radar on, so the detector will not be able to isolate and pinpoint the signal that is needed to activate the alarm to notify you.

Apr 22, 2009 | Passport 8500 X50 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

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