Question about Navman iCN 330 GPS Receiver

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External Antenna Conection

We have a heated front windscreen in our car which means we have to have a special antenna attachment for it to receive a signal. Have got it out today ready to use and can't find a connection point on stand, charger or sat nav itself.

Any Solutions

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Ref ICN330. The external antenna connection is on the top side of the flip up Antenna on the unit itself. There is a small rubber plug covering this, adjacent to the Navman logo.. Ricmac

Posted on Feb 17, 2009


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1 Answer

How do i hook up external antena?

should be 2 screws on back of receiver for you to attach an external antenna you can attach it directly or screw on a coax converter if your antenna is using a coax cable

Sep 16, 2016 | Audio Players & Recorders

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Where is antenna located and how do I replace it

My experience of your model is limited but if the radio antenna isn't visible it is possible it is printed on one of the windows in the same way as the heated rear screen element.

There has been a fashion for such things in the past. Sometimes the HRW element has been used as an antenna and later a printed antenna on the front windscreen wasn't unusual. The last few I have seen were on the rear quarter glass.

I hope this helps.

Feb 06, 2016 | 1999 Honda CR-V

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Cannot get radio stations

If you don't see one, there is a mount on the passenger side front fender for an external antenna. These can be replaced or repaired by unscrewing the old/broken antenna at the base and attaching a new one. If the antenna is still in the mount and you are not receiving any stations the wire connecting the antenna to your radio could be broken or disconnected. GM uses what is commonly known as a "Motorola" plug for the antenna so if you need to replace the cable be sure to specify that type of plug/wire design.

Mar 16, 2013 | Car Audio & Video

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Unable to tune in to programmes on LW, MW and SW bands. FM working fine

If you are experiencing bad or NONE AM (MW) reception ,if your receiver has an external antenna connection point here is the solution... It should also have a ground connection as it is rare such a point does not accompany an external antenna connection.
The problem with MW reception is the vast frequency range of the MW band as" 540-1760kHz "
means nighttime fade out, and even heavy static and distortion..( less than SW )
in order to receive a station on LW and MW bands you need to have a "Loop Antenna " that normally supplied by manufacturer..if you cant locate it ,you can buy it in any electronic is a very cheap accessory..additionally both LW and MW works good in daytime with powerful radio stations in your vicinity ..espacially LW..not much stations on these days..except in Europa..MW works better and more stations come after sunset ..
SW band is a little bit different.if you really want to listen SW in depth ,and if your receiver has multiple SW bands as well ,you then need special SW antenna to be attached to your receiver..otherwise it is not worth to listen it due to heavy static and distortion on the band..,unless you want it..just for testing and to see what is available in your area pls attack a plain wire (about 1 meter ) to ext antenna plug and try to search it..if you desire to learn shortwave -Listen To The World please visit the URL below.

Hope this helps!..if more help requires pls let me know.
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Jul 07, 2011 | Audio Players & Recorders

1 Answer

My Klh r3000 receiver is great for everything except picking up am or fm stations? I had an antenna attached, but the unit is in my basement, and I get no signals at all. What could I be doing wrong?

If the antenna is in a basement that is the problem - the fact that it is below ground means that no signals can get through.
Radio signals are blocked by buildings, large lumps of metal or other solid objects as well as strong magnetic fields (which can include electrical devices within the home).
To pick up good radio reception you will need an external antenna above the ground level - preferably as high as you can get it. Unless you get an omni-directional antenna like this one you will need to point the antenna accurately at the transmitting station (+ or - about 5 degrees) for FM. At a pinch you might get by with an indoor aerial but it needs to be above ground level (inside a roof would be best)
Good external AM Radio aerials are harder to find these days.

Feb 24, 2011 | KLH R3100 Receiver

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No gps signals at times

What times are those? What's different when you can get signal?

You won't be able to get a signal in tunnels, when you're in amongst tall buildings, and other times when the view of the sky is blocked.

You might consider getting an external antenna if you have a windshield that blocks signal (e.g. heated windscreen).

Nov 15, 2009 | Tomtom GO 300 GPS Receiver

1 Answer

As I would prefer to have the screen unit off the dash

If your unit supports external antenna, this is very much possible.

Oct 12, 2009 | GPS

1 Answer

Garmin 330 wont locate satellites in van only.

Do you have a heat reflecting windscreen? These are a total barrier to GPS signals. It may be getting the odd satellite through the side windows if you have such a windscreen. An external antenna, such as the ones supplied by, would be ideal but you need to have an external antenna socket on the GPS. Not many car units have this feature. Another option is to try a re-radiating antenna but I've not seen these for ages - bought my last ones from

Aug 29, 2009 | Garmin StreetPilot C330 GPS Receiver

2 Answers

Tom tom one

This problem can have several causes.
  1. A component fault on the units internal antenna circuit board.
  2. ribbon cable has become detatched inside that connects antenna board with main circuit board.
  3. A software fault.
  4. A component fault on the processor board.
All the above except number 3 will require proffessional investigation. if its a software fault then you may be able to recover data by a re-install through TomTom Home or by recovery backup ( you did make a backup of your SD card , didn't you ? ) of your SD card.

Aug 26, 2008 | Tomtom GO 700 GPS Receiver

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Medion gps

Has this problem just devoloped, did it work before and it's now broken or have you just obtained this device or installed it into a new car.

your car might have athermic windscreen/heated windscreen. check the details of your car and see what UV protection your car has as often you will not get a signal through your windscreen if you have any special glass.

The solution to this would be an external antenna.

other wise how good are you at soldering. you might have a lose connection on the internal antenna. from all the bumping it does in your windows while driving it could have losened something inside.

Mar 18, 2008 | GPS

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