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  1. #661
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    ...............
    The good news is that the receiver built-in accepts keys generated by JetMouse.
    Either i missed that in Angelo's post about the NA 24x5/25x5 with traffic receiver on-board accepting JM subs or had forgotten it. That's essentially the same hw as 14x/15x i think [same PCB P/N anyway] so probably all of them share the same traffic module including 2xx7 i guess, so Philipych can be the experimental rabbit if he chooses.
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  3. #662
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    Thank you, Neil
    Thank you, Giomen
    Yes, I am from Russia. Very poorly studied English at school. I do not understand all of your correspondence. (especially humor)
    But it is safe to say that JM coped well with the integrated receiver Nuni 2597.
    Subscribe to traffic EU ALL established without problems.

  4. #663
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    Your EN is better than Giomen's and i understand him just fine.

    Thanks for reporting back. Glad you have your added traffic sub working.

    PS: Our humour is an acquired taste though. Even native English speakers don't really get it so don't worry ...
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  5. #664
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    Friends , makes sense the TA-20 cable also serve as antenna, but would make more sense if there was at least a small antenna embedded in the body of the gps, as exists in much smaller devices like mobile phones ( that have GPS antennas and others.. ), that is, would have felt the traffic work without the cable connected, even if partially. The fact is that the traffic receiver built-in GPS does not work without the cable, then it's likely that it also have some power line specifies in the cable to the receiver traffic. It is also worth remembering that, as already mentioned, a user received of garmin a report that another cable with a different part number manufactured for years (I think ), would also serve as a substitute for the TA- 20 [Only registered and activated users can see links. ] post # 13. It seems so strange that a power cable produced at long ago has embedded antenna and serve to activate the GPS receiver traffic of recent gps, ie, I suspect about the veracity that the function of the cable is only to serve as an antenna .
    A likely need of extra power supply to the receiver could be the major energy consumption that would degrade the battery, or Garmin's strategy to force the use of its accessories (cables). To solve the question only opening the other mentioned cable (and a TA- 20) and to see if in fact they have built-in antenna. By the way, the GTMxx cables are divided into two parallel parts visible externally, where a corresponds to power transmission and other for antenna (I've opened some to check out as well). As the receiver is in the cable has felt the main antenna, and connector for an auxiliary, stand in the cable also.
    Last edited by angelozip; 12th November 2013 at 16:20.
    Nuvi 2689; 3490; Etrex 30; Oregon 200 (from Approach S5)

  6. #665
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    Hello.
    I assume that TA-10/TA-20 are not simply battery charger, and at the same time serves as an antenna-feeder path. Since to all previous GTM-xx models in addition there was "Antenna Extension Cable with Suction Cups (Part Number: 010-11282-00) " Now for it there is no connector (mini-jack) in the navigator. I think that its function is executed now by TA-10/TA-20

  7. #666
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    Philipych, like you I also assume that TA-10/TA-20 "are not simply battery charger, and at the same time serves as an antenna-feeder path", ie, assume that it serves as an antenna probably, but it has an extra function besides feeding the battery: energizing the traffic receiver, this is the hypothesis.
    In short, what I meant was that the receiver built into some models of garmin PERHAPS work with other vehicular GARMIN CABLES (or other duly modified) have they or not antenna. An example of cable "alternative" was the cable that I mentioned and was indicated as a substitute to TA-20 by Garmin and which, it appears, has no antenna. All this because the receiver only works with a power cord connected, strong principle it depends on external power line from a cable. With other Garmin original cables if it works, will certainly be in a limited way, as backup for emergencies or for testing. Of course just only testing with any other vehicular cable from Garmin to check this hypothesis. Also in the Traffic Receiver Status screen you can check if the receiver is initialized and the intensity of the tune.
    Last edited by angelozip; 13th November 2013 at 15:41.
    Nuvi 2689; 3490; Etrex 30; Oregon 200 (from Approach S5)

  8. #667
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    I go back to my original theory that the principle is the same as the FM radio use in a mobile phone which uses the earphones cable as an aerial/antenna to receive the FM signal [actually, they all use the shielding on the cable i think, not the actual audio wire inside]. There seems to me to be no good reason why it would be any different with on-board traffic receivers in Garmins, other than they are using the shielding of the power cable. Alternatively, they may be using one power wire somehow with some kind of RF filter to separate the FM radio signal, maybe via dedicated choke coils in the 'TA' designated cables. I really don't know nor pretend to fully understand how any of this works at a deep technical level, so much of this is supposition but it does make sense to me.

    So, if it uses the wire's shield [screen] as an aerial that would be the simplest because it's already floating free.

    If it's using one of the power wires then FM signals need to be separated via a filter of some kind [my car uses the rear window's inbuilt heater to receive it's radio signals via an RF filter. Another less comparative example is ADSL signals over plain copper telephone wires with a filter at our end to separate the ADSL from the voice transmissions. Either way it's using a wire for two purposes and then separating them].

    Regardless of the method used, there is no 'dedicated' antenna/aerial as such if my hypothesis is correct. It's the secondary function of an existing part of the cable. Also the aerial needs to be within certain lengths to properly receive the target frequency. This is why Garmin state that the lead needs to be uncoiled. Try bundling up the aerial wire on your FM radio, you'll lose or markedly degrade the reception. If the shielding is used, provided the cable is within the required unwound length then any shielded cable should work and then as reported in the other thread it is as Garmin states, i.e. older cables can do the job.

    Certainly there could also be an internal function in the device itself which when it is sensed that the external power is missing no battery power is fed to the traffic receiver. That power sensor's already present in all battery powered Garmin units so it wouldn't be difficult for them to use it to isolate the traffic module from the battery power as Angelo's mused.

    Further testing is probably needed as Angelo said, and if anyone is interested it should be in the other thread [Only registered and activated users can see links. ], or even a new one, but a bit OT here now.
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  9. #668
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    Quote Originally Posted by snugglebunny View Post
    First of all, many thanks to Tiger55. Because my post count is low I cannot thank you with a PM.

    lolypop000 - I agree that it would be nice to be able to reset the key count - likely a custom app that can be downloaded into the receiver is needed. Is there enoiugh demand to justigy it? Not likely.



    The solution to getting the premium TTN (US/CAN) sub for those who already have an expired one in their device for those who have not maxed out their key tables is to use a modified keygen program (jmgkgmodTMCExp.exe) with FID 4094 (there is only one field to enter in the modified keygen). Apparently this only works if you have an expired sub for TTN in your receiver already.

    Before applying it check the code you get with the InfoUCv1.05.exe program to verify that it is for FID 28992 and expires about 50 years from now.

    A copy of the keygen was PMed to me, so I suppose you need to do some searching to find it.
    I have a 760 with Gtm20. Has always shown TTN expired and all other attempts only had the usual temporary activation experienced by so many others.
    I tried the above and so far it has worked. Powered down the 760 powered it up, still OK.

    Thanks.

  10. #669
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    How I can actívate for traffic reception in Argentina

    Someone explain with a tutorial with pics

    Thanks

  11. #670
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    @americanlifes
    There's a detailed tut in post #1, however unless someone posts the codes for Argentina that's not much help i suppose.
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