I own a cobra radar detector. And i keep it in my car over night. when it is cold the next morning and i turn my car on my radar detector keeps on beebing with x and ka symbols until the car is warm inside. ths beeb goes on for 5 mins straight is there any way to reset the radar detector to make it stop

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

SOURCE: i need a manual for

The Cobra XRS-757 is the same as the Cobra XRS-9330. The difference in model number is due to the 757 being sold at Wal-Mart stores.

SOURCE: undersatanding the 12 bands of cobra xrs 797

Its all marketing hype. Cobra breaks up the three X, K and Ka bands into sub-bands, and they do the same for the single 904nm laser wavelength. There are no sub-bands for X or K band. In the USA, Ka band radar guns operate on three Ka band frequencies: 33.8, 34.7 nd 35.5 MHz. Cobra also breaks up the single laser band based on the known pulse rates of various laser gun models. Yet in general if you get a laser alert from a nearby cop then likely you have been tagged and will be getting a ticket.

SOURCE: what do the the symbols Ka, K, X, L, and SWS mean

These symbols refer to the frequency of the radar gun's signals that are used to detect your speed. L is for laser, x, k and Ka band have designated frequencies that they use for radar traffic control. They range from around 10GHz. to 30 GHz. if my memory serves me.
A typical microwave oven operates at 2.5 GHhz or so.

SOURCE: radar detector codes

When any detector "detects" radar, it will produce some form of Audiable sound. If someone is speeding, they need to slow down IMMEDIATELY if they want to avoid a ticket. It doesnt really matter if the radar gun is x, k, ka, ku, etc. You will probably get a ticket if you dont slow down.

Most dectectors will have indicators lights or displays that indicate the x, k, ka, etc., radar signals are actually being detected. This can provide SOME useful information. THe letters simply designate BANDS of frequencies that are used to send the radar beams. It is similar to changing the channel on a radio - k and ka bands use HIGHER frequencies for their radar signals.

X band is the oldest radar band and it is used for police radars AND door openers at supermarkets and other locations. If you drive by a supermarket, your radar detector is likely to go off and it is almost certainly going to be X band. CHeck it out next time you drive by a supermarket with an automatic door opener.

Since the police and the radar companies like to play cat and mouse, newer radar bands have been invented that OBSOLETE the older radar detectors. When the K bands showed up in the police radar guns, the radar detector folks had to have a new product offering that would detect X band and K band. And the race continues to go on even today and now, there are LASER police speed detectors and the new "RADAR" detectors now need LASER detectors as well. If you want to know the exact frequencies of these "bands" (K, Ka, etc), let me know and I will send them to you. But they are operating in the tens of GigaHertz regions.

THX

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