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Speed Demon
Self Cal message on refurb X50
I received my new (refurb) 8500 X50 today and immediately took it out to compare it against my 9500ix. I went to know location (Lowe's) that had a strong K band door opener and compared the two detectors (not running at the same time).
The X50 appeared to have the same range and sensitivity to the ix and I was very pleased. It seems to be very strong on detection.
On my return trip, I made a stop. When I got back in the vehicle and started it, my 8500 came on, with the direct cord hard wire, but went straight to self cal. I turned it off and then back on it appeared to reset with no problem.
Should I be concerned and or should I do a hard reset? This is my second refurb and I really want this thing to work. I obviously have time to run with it for a couple of weeks, but I am concerned.
Thoughts?
I have posted this question on the Escort Forum and would appreciate any input.
Countermeasures:
Beltronics STi-R; KA 2/5/8; X Off; Pop Off; SWS Off; RDR Off
V1 - 3.872
Redline
Blinder Xtreme M-47 (Tested @ MOAC)
8500 X50 -- REV 5 (sold)
Garmin Nuvi 255W (Trapster)
Cheetah GPS Mirror
9500ix Highway (Sold)
"We will either find a way, or make one" - Hannibal
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07-01-2009 11:34 PM
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Captain Insano
Re: Self Cal message on refurb X50
A self-cal error can be thrown if the RD is powered up while near a really strong microwave door opener.
Radar detectors which I use: 9500ci and STi. Check out my
Vintage Radar Detector collection. Quotes from forum members:
Jag42: "He probably owns the Broke Back Rocky Mountain Radar detector."
partsfreak: "A Cobra is about as useful as a stripper pole in a convent."
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Founder of Stealthvation
Re: Self Cal message on refurb X50

Originally Posted by
jmccam
I received my new (refurb) 8500 X50 today and immediately took it out to compare it against my 9500ix. I went to know location (Lowe's) that had a strong K band door opener and compared the two detectors (not running at the same time).
The X50 appeared to have the same range and sensitivity to the ix and I was very pleased. It seems to be very strong on detection.
On my return trip, I made a stop. When I got back in the vehicle and started it, my 8500 came on, with the direct cord hard wire, but went straight to self cal. I turned it off and then back on it appeared to reset with no problem.
Should I be concerned and or should I do a hard reset? This is my second refurb and I really want this thing to work. I obviously have time to run with it for a couple of weeks, but I am concerned.
Thoughts?
I have posted this question on the Escort Forum and would appreciate any input.
"The X50 appeared to have the same range and sensitivity to the ix"
$150 vs $500. This is what I have been saying all along. A good S7 will beat a good M4 every time in sensitivity. The best S7 will beat the best M4 every time in sensitivity. I will say though that the 8500 S7 based RD's seemed to be all over the place in terms of DB's. In other words there was a lot of manufacturing variance and there were reliability issues. The beauty though is there is a good chance you will land a good one and if you do you will be one happy camper.
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Speed Demon
Re: Self Cal message on refurb X50
All is well. I did a reset after it self calibrated and it appears to be working fine.
After talking with MEM-TEK, I think the sensors used to activate the gate at our apartment complex is what is causing interference.
So far so good and I am very pleased with unit. I will test it over the next couple of weeks and compare it against some other units running at a strong permanently mounted K band speed sign on the causeway and report my findings.
I know Happya$$ will be pleased to know that this unit appears to be dead on as strong and sensitive as my 9500ix.
It is a little more noisy, but that is certainly expected.
We'll see when I run some base line test.
Last edited by jmccam; 07-02-2009 at 02:58 PM.
Countermeasures:
Beltronics STi-R; KA 2/5/8; X Off; Pop Off; SWS Off; RDR Off
V1 - 3.872
Redline
Blinder Xtreme M-47 (Tested @ MOAC)
8500 X50 -- REV 5 (sold)
Garmin Nuvi 255W (Trapster)
Cheetah GPS Mirror
9500ix Highway (Sold)
"We will either find a way, or make one" - Hannibal
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Newcomer
Re: Self Cal message on refurb X50
I'm sure you'll be happy with it now, my X50 has worked great.
Valentine One 3.872
Escort 8500 X50 S7 Rev 5
Uniden Bearcat BC370CRS
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Radar Fanatic
Re: Self Cal message on refurb X50
I have a Rev 5 X50 and it has better off axis sensitivity than my 9500ix, but I think the IX has a little better KA band sensitivity especially when the radar is not off axis. I haven't really got any I/O yet and it has been over a month with my 9500ix, so I don't have any comparison yet for how quick it reacts.
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