20 Most Recent XRS 9440 Radar Detector Questions & Answers

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Dont think its a restart issue, as more so its a temp. issue

It should be a 2 amp fuse. Also here is the manual http://antiradarov.net/manual/Cobra-xrs9440.pdf

That number is the signal strength indication. IF you get four beeps when that shows up and it could be E instead of 8, the unit has detected something wrong.

Did you first check the fuse in the units power cord? The fuse should be in the part of the power cord that plugs into the lighter socket. A 2 amp fuse should be good enough.

Press and hold Dim and City buttons for four seconds
Voice Response with say, "Pop On" or "Pop Off" Tone Response will be, Pop On = Two Beeps, Pop Off = One Beep
You can find the full manual here:
http://www.manualnguide.com/manual/cobra-xrs-878-manual/

did you check the fuse that is in the plug end of the power cord?

some radars say things like k9 or some beep.

Get a Valentine - they are the best

http://www.cobra.com/pages/product-manuals#Radar Detectors

That's the MFG link. I found your unit but they are doing updates to their system & will be back up and running shortly. Hope this helps

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.

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.