Question about Passport 8500 Radar Detector

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Laser warning - Multiple false alerts

The Laser band will go off on high alert for absolutely no apparent reason.

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  • Anonymous Mar 18, 2014

    turn on unit and it sticks on "X" alert or will continuously alert on laser when nothing is around

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Although the detector could have internal problems, it is possible that it is coming from a real source.
A route I took between home and business triggered mine along the same stretch every time I passed it and after looking a a map and comparing it with the stretch I drove, I found that the Marine airbase at Miramar California was visible (line-of-sight) between two mountains only along that stretch.

Note if the falsing happens at about the same point each time.
I just learned to ignore the laser alarm if it triggered during that 1-2 mile 'window.'


Posted on Jul 11, 2008

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Posted on Jan 02, 2017

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1 Answer

Laser alert constantly goes off


Laser is very sensitive to false alarms often set off when driving by an airport, or military base. Set your laser on City Mode and pay attention exactly where it goes off. Mine goes off constantly in the same place which is a air force base in Tucson, AZ. Unless you drive like crazy shut it off in the city although the cops like to use a hand held one in school zones. In 6 years of driving in Arizona I have had one real laser alert, and other than false alerts, real ones are far and few in between. Check when and where the unit alerts and use different sensitivity settings. One more thing, if your laser warning goes off you already have the ticket since the cops use them at close range unlike the radar bands. Hope this helps.

Sep 29, 2014 | 2012 Pro Sti Magnum Dash Mount Radar...

1 Answer

Won't actually detect anything


does it work when near a walgreens or cvs and detect a K band? if it is no longer picking up any of the false alerts, return it if you can or send it in to beltronics

Jan 05, 2014 | V6 Radar And Laser Detector - Black

1 Answer

9500ci K band sensitivity


be aware the patrol cars change the bands to overcome the detection units on sale so that they can identify speeding drivers. Have you unit tested but if it proves ok then the changed band will be the problem. Over here they are using a combination of bands and infer red to detect speeders.

May 13, 2013 | Escort 9500CI

1 Answer

The Cobra XRS 9445 14 Band Radar Detector false alerts....


mine does the same thing...b4 i had the same model and it never did this...do u happen to have an aftermarket security system in your vehicle

Jun 10, 2010 | Electronics XRS9445 Radar Detector

1 Answer

Validation code using single loop for multiple fields in javascript


As example, use it:

JavaScript Form ValidationJavaScript can be used to validate input data in HTML forms before sending off the content to a server.
Form data that typically are checked by a JavaScript could be:
  • has the user left required fields empty?
  • has the user entered a valid e-mail address?
  • has the user entered a valid date?
  • has the user entered text in a numeric field?
Required FieldsThe function below checks if a required field has been left empty. If the required field is blank, an alert box alerts a message and the function returns false. If a value is entered, the function returns true (means that data is OK):
function validate_required(field,alerttxt)
{
with (field)
{
if (value==null||value=="")
{
alert(alerttxt);return false;
}
else
{
return true;
}
}
}The entire script, with the HTML form could look something like this:
<html>
<head>
<script type="text/javascript">
function validate_required(field,alerttxt)
{
with (field)
{
if (value==null||value=="")
{alert(alerttxt);return false;}
else {return true}
}
}function validate_form(thisform)
{
with (thisform)
{
if (validate_required(email,"Email must be filled out!")==false)
{email.focus();return false;}
}
}
</script>
</head><body>
<form action="submitpage.htm"
onsubmit="return validate_form(this)"
method="post">
Email: <input type="text" name="email" size="30">
<input type="submit" value="Submit">
</form>
</body></html>
E-mail ValidationThe function below checks if the content has the general syntax of an email.
This means that the input data must contain at least an @ sign and a dot (.). Also, the @ must not be the first character of the email address, and the last dot must at least be one character after the @ sign:
function validate_email(field,alerttxt)
{
with (field)
{
apos=value.indexOf("@");
dotpos=value.lastIndexOf(".");
if (apos<1||dotpos-apos<2)
{alert(alerttxt);return false;}
else {return true;}
}
}The entire script, with the HTML form could look something like this:
<html>
<head>
<script type="text/javascript">
function validate_email(field,alerttxt)
{
with (field)
{
apos=value.indexOf("@");
dotpos=value.lastIndexOf(".");
if (apos<1||dotpos-apos<2)
{alert(alerttxt);return false;}
else {return true;}
}
}function validate_form(thisform)
{
with (thisform)
{
if (validate_email(email,"Not a valid e-mail address!")==false)
{email.focus();return false;}
}
}
</script>
</head><body>
<form action="submitpage.htm"
onsubmit="return validate_form(this);"
method="post">
Email: <input type="text" name="email" size="30">
<input type="submit" value="Submit">
</form>


P.S.: If this information was helpful, please rate this solution.
</body></html>

Mar 04, 2009 | Computers & Internet

1 Answer

LRD6399SWS


LED Display gives you your display visual alerts, signal strength, and operation mode. Here is an attached link for the manual.....http://www.uniden.com/pdf/LRD6399SWSom.pdf
But to answer your question here is what the difference between the green light and the red light are:
1. X-Band Signal Indicator—A green LED lights and blinks to
indicate the presence of an X-band radar signal. The blink rate
increases as the radar source gets closer. A distinct audio alert is
also heard.
2. K-Band Indicator— An amber (orange) LED lights and blinks to
indicate the presence of a K-band radar. The blink rate increases as
the radar source gets closer. A distinct audio alert is also heard.
3. Ka-SuperWideband Signal Indicator— A yellow LED lights and
blinks to indicate the presence of a Ka-SuperWideband radar
signal. The blink rate increases as the radar source gets closer. A
distinct audio alert is also heard.
4. Laser Signal Indicator— A red LED under L lights and blinks to
indicate the presence of a laser signal. A distinct audio alert is also
heard.
5. SWS Signal Indicator— When an early warning hazard or
informational signal is detected, the yellow SWS LED begins to
blink and the amber K-band LED lights. A distinct audio alert is
also heard.
6. Power-On Indicator— A green LED under P lights to indicate
power is being supplied to the unit and the unit is turned on.
7. LED Signal Strength Meter—Four LEDs give an accurate visual
indication of the strength of radar or laser signals.
8. City Mode Indicator—A green LED under C lights to indicate
that you selected City Mode.
9. Auto Mute Indicator— A red LED under M lights to indicate that
you selected the Auto Mute feature.

Please make sure you give me a rating and I hope this helps,
cbinny1



Oct 18, 2008 | LRD6399SWS 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

1 Answer

Cobra laser 360 11 band


Assuming the model number is COBRA XRS 9500CS 11-BAND RADAR/360*
LASER DETECTOR WITH DIGVIEW DATA DISPLAY
& VOICE ALERT

This is what we can find out about it.
DETECTS 5 RADAR SIGNALS: XBAND, KBAND, KA SUPERWIDE, VG-2 RADAR DETECTOR-DETECTOR, SPECTRE 1 RADAR DETECTOR-DETECTOR

DETECTS 4 LASER SIGNALS: LTI 20-20 LASER, ULTRA LYTE LASER, PROLASER, PROLASER III

2 SAFETY SYSTEMS: SAFTETY ALERT & STROBE ALERTS DIGVIEW DATA DISPLAY & VOICE ALERTS
http://www.fixya.com/support/p237601-cobra_xrs_9500cs_radar_detector/manual-313

I again assume the above model number......
Hope this helped some...
Kevin

Mar 24, 2008 | Radio Communications

5 Answers

8500 Alerts for no aparent reason


Got to the bottom of my false alarming situation. I finally called Escort and discussed the behavior with the technician who immediately concluded the antenna was failling and needed a repair. $30 worth of shipping and about a week later I got my repaired unit back and it works perfectly. Not sure the root cause but I am going to treat it as gently as possible and hope it keeps working, I sure like it better than the V1.

Dec 05, 2007 | Passport 8500 Radar Detector

4 Answers

Beltronics pro rx65


false laser alerts when sun is low..

Nov 06, 2007 | Pro RX65 Radar Detector

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