Display stuck in "AUTO". Have attempted RESET numerous times with same result. Radar will post normally and display "AUTO". Pressing top two buttons for 2 seconds per instruction also failed to progress beyond AUTO" mode. Several times, by pressing top two buttons and cycling on/off dial, I was able to get "PROGRAM" and gone through the routine per insturctions in the manual. Upon completion, it will revert back to 'AUTO" and freeze.
Seems like software problem.
Anyone has same experience and able to suggest soultions?
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Re: 8500 radar display
I take it that pressing the 8500's City button won't switch sensitivity modes? If so, and if performing a RESET doesn't resolve this problem, then either the firmware is corrupted or (most likely) the micro-switch for the City button has gone bad and needs to either be replaced or possibly resoldered so that its two terminals are once again making full contact with the solder pads on the circuit board.
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Your radar detector is detecting a problem with part of the circuit during the start up - or boot sequence. Typically, these complex devices run a quick diagnostic check when starting up. If any result isn't as expected, you get a warning and in this case - a message indicating it needs servicing.
There is little that you can do to the detector to locate the problem; much less fix it. You could try to shut it off and turn on again to see if the problem goes away - but it probably won't. Your best bet is to return it to the factory for repair. You could continue to use it - but if the part of the detector that failed has to do with displaying or detecting radar sources, you may be in for an expensive surprise when you get pulled over for speeding.
The service message indicates something isn't working as expected. This usually happens right after powering on, when the detector runs its self-check and receives an unexpected result. Continuing to rely on this device for radar warnings could be expensive.
You may have received a laser hit or a qucik shot on the radar. We don't normally keep the radar on constant - a click of the button sometimes real fast will grab your speed, lock on the display and then the signal will cease to omit.
You may also want to check to see if you are set on city of highway.
Power off the RD using its power button. Then hold down the two programming buttons and press the power button while holding down these the two programming buttons. Release all three buttons once RESET is displayed on the RD's display. Your 8500 has now been reset back to the original factory settings with all bands enabled. You can download a PDF duplicate of the original user manual from Escort's web site.