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Thread: Got my G4 installed...few issues...

  1. #1
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    Got my G4 installed...few issues...

    I got my G4 yesterday, unboxed it, hooked it up on the test bench for about an hour and copied some music to it, plugged in the GPS antenna and it actually found my location from inside my house. Pretty impressive unit, I am pretty pleased with it however there are a few issues I am sure I will get resolved with a little time and effort and hopefully help from you guys here

    And now here they are in no particular order....

    1. Every 3 or 4 times I get in the car and turn the ignition on, Streetdeck launches but defaults back to the brownish color background and buttons instead of the blue that I changed it to, it occasionally tells me this is the first time I have launched Streetdeck and prompts me to set the date and time and the other few options in the first time wizard…after a little clicking around in the app, it automatically turns everything blue like I had previously changed it to…

    2. When I hooked up the GPS antenna in my house, it seemed to be working because it showed my location in about 10 seconds…However now that it is installed in the truck, the module initializes but I get the low sat signal text on the screen, and it says 0 satellites…If I change the Navi settings to use com2, it says there is no gps antenna plugged in, so I’m pretty sure it’s seeing the antenna when it is set to com1…very strange…I will pull it tonite after work and make sure it is still plugged in good and tight but is there anything else you can think of that I should be looking at?


    3. Occasionally, (usually after putting in a DVD) for some reason when I choose a video file or a dvd, I get a message saying that "it appears the audio level is inaudible, would you like to adjust volume settings now?"

    I click yes and for some reason all the volume levels have indeed been reset to 0. I click defaults and they all go to halfway and things appear to be ok for a while after that…

    I've also emailed this info to Nequeal at Mp3car (GREAT GUY!) but thought I would post the issues as well in case anyone has seen/experienced any of these issues...

    I'd appreciate any insight at all anyone can offer...thanks in advance!

  2. #2
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    Quote Originally Posted by twenty8eight View Post
    When I hooked up the GPS antenna in my house, it seemed to be working because it showed my location in about 10 seconds…However now that it is installed in the truck, the module initializes but I get the low sat signal text on the screen, and it says 0 satellites…
    Well, I presume your house is made of wood but your truck is made of metal, right? Where exactly did you put your GPS antenna within your truck? It must have unobstructed (by any metal) view of the sky to pick up any signal.

  3. #3
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    Bugbyte's Avatar
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    GPS receivers can also be interfered with. Check how close the receiver is to either the screen or the G4 itself.

    I had one that wouldn't receive satellites if it was near either, but worked perfectly if moved a few feet away.
    Quote Originally Posted by ghettocruzer View Post
    I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
    Want to:
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    just to echo the statements above, yeah make sure metal is not blocking it.

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    Sorry I wasnt clear...the antenna is on the roof of my truck...

  6. #6
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    So Mp3Car support sent me gps info and asked that I run it....
    I did, but I have no idea what im looking at, its just info running across the screen...can anyone give me insight on the app and how to interperate it's outout???

    here is a video
    http://www.mediafire.com/?fhx5ozs7fy1

    I also found another version of the app that looks a little diff...it shows a bunch of sats with red circles as seen here:
    http://www.mediafire.com/?9xisrrnsakk

    If I change the com port in streetdeck or in gpsinfo, I get nothing, so I can only assume it is recognizing the GPS...

    Any ideas?

  7. #7
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    I use the Bu-353 with all my systems and they work inside the house, under the seat of the car, on the dash, anywhere I place it. The G4 is not special in doing this. In the car, I get perfect reception without any issues no matter where I place my receiver. All my systems are custom made though and I completely understand them.

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    I can't see the video. Is it spitting out lines of text? If so, those are called NMEA strings, and they are information from the GPS to the computer. The messages follow the NMEA standard and are preceded by some of the following:

    There are many sentences in the NMEA standard for all kinds of devices that may be used in a Marine environment. Some of the ones that have applicability to gps receivers are listed below: (all message start with GP.)

    AAM - Waypoint Arrival Alarm
    ALM - Almanac data
    APA - Auto Pilot A sentence
    APB - Auto Pilot B sentence
    BOD - Bearing Origin to Destination
    BWC - Bearing using Great Circle route
    DTM - Datum being used.
    GGA - Fix information
    GLL - Lat/Lon data
    GRS - GPS Range Residuals
    GSA - Overall Satellite data
    GST - GPS Pseudorange Noise Statistics
    GSV - Detailed Satellite data
    MSK - send control for a beacon receiver
    MSS - Beacon receiver status information.
    RMA - recommended Loran data
    RMB - recommended navigation data for gps
    RMC - recommended minimum data for gps
    RTE - route message
    TRF - Transit Fix Data
    STN - Multiple Data ID
    VBW - dual Ground / Water Spped
    VTG - Vector track an Speed over the Ground
    WCV - Waypoint closure velocity (Velocity Made Good)
    WPL - Waypoint Location information
    XTC - cross track error
    XTE - measured cross track error
    ZTG - Zulu (UTC) time and time to go (to destination)
    ZDA - Date and Time

    One of the most common you will see is something like:

    $GPGGA,123519,4807.038,N,01131.000,E,1,08,0.9,545. 4,M,46.9,M,,*47

    If you want info on NMEA, go here, but you don't have to. You ought to see fix data coming across.

    Usually, red sat circles mean no fix data from those sats.

    If it isn't working, try taking it back to the house and use your desktop computer to see if you can get a fix inside like you did before. If so, then there is something wrong with the way you have it set up in the car. For example, is it on an extension cable?
    Quote Originally Posted by ghettocruzer View Post
    I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
    Want to:
    -Find out about the new iBug iPad install?
    -Find out about carPC's in just 5 minutes? View the Car PC 101 video

  9. #9
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    Quote Originally Posted by Bugbyte View Post
    If it isn't working, try taking it back to the house and use your desktop computer...
    Bugbyte, the GPS receiver is within the G4, only antenna is external. The only way to take it home is deinstall the G4 which might be not too easy.

    Unfortunately I can't see the video as well nor do I have GPSinfo at hand...

  10. #10
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    Bug-
    Thanks for the input...so at least I have confirmed now that the GPS is indeed "working" for some reason it just will not lock in on a satellite.

    I also have a spare BU-353 that I will install tonite and see if that works...

    as Marassa said, the GPS is internal so I cant hook it up inside without pulling the G4 from the truck...

    I wouldnt really have an issue with that if I had a spare wiring harness for the G4 lying around, but since all my wires are using crimped on connecters, I'd prefer not to have to pull it completely from the dash unless I was swapping it out for a new one.

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