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Thread: GARMIN ADDITIONS FILES (ASR, G2S, DB, 3D...) What & How to update.

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    GARMIN ADDITIONS FILES (ASR, G2S, DB, 3D...) What & How to update.

    This tutorial will try to explain you the additions files, what they are used for and how to update these files.

    In a hidden .System folder of your device will find the files and the folders that support all your device features, will find the IMG(maps) files gmapbmap.img(the base map), gmapdem.img(DEM map) and other folders, the most important for the update are ASR, JCV, G2S and SQlite.


    Let’s see what and how to update this folder with the right files.
    Rule N 1 ALWAYS BACKUP YOUR DEVICE FILES BEFORE PROCEED.


    VOICE COMMAND - ASR Folder
    In this folder will find the files that enable the Voice Command on your device. Not all the models have this feature, so if the your device don’t support it you don’t have to do this update.
    ASR files are different for different Map versions, if you update the map you have to update the ASR files too. Different version of maps - EXP. CN Europe NT and CN Europe NTU have 2 different Set of files and have to use the right one to have Voice Command enable.
    These files are XXXX.ASR and XXXX.SRX, delete all previous ASR and SRX files and copy the new one, you can have more than one version of Voice Command files in ASR folder, EXP. Can have European ASR and American ASR in the same time.
    Important: You don’t have to rename these files, just use like they are.

    To update this feature copy ASR+SRX files in
    • Device:\.System\ASR Folder - for NEW models with hidden .System folder.
    • Device:\Garmin\ASR Folder - for the other models with no hidden .System folder
    • SD:\Garmin\ASR Folder - for all the models




    Can see a Garmin video for Voice Command use





    NüRoute Technology: TrafficTrends & MyTrends

    TrafficTrend improves the route calculating based historical traffic info like the day, time and traffic flow of a specific road.
    MyTrends take care of the favorite and most used destination and even without sett the route will recognize it and will give you info like traffic flow and arrival time.
    Your device must have a traffic receiver and be compatible with Trend features.


    TrafficTrends and MyTrends update files are XXXX.DB and XXXX.G2S copy this files in:

    • Device:\.System\G2S Folder - For G2S file
    • Device:\.System\SQlite Folder - For DB file
    Garmin video for TrafficTrend


    Garmin video for MyTrend




    LANE ASSISTANT
    Lane assistant information is included in the IMG map file, so there’s no need of additional file, this is a basic feature that is supported almost by all new devices. Lane assistant help the driver in a multi-lane road.

    Can see the Lane Assistant Left side Up


    Video for The Lane Assistant Infos




    JUNCTION VIEW (JCV FILE)
    Junction view is the “advanced” lane assistant, you will not see only the white arrow that indicate your exit or turn lane but a “real” indication of the lane. JCV files can be used only in supported devices, check your device spec if your device is supported or not before you try to update this feature.
    In the map thread will find different type of JCV because this update file can be different in different devices, but sometime you can use different version of JCV files in the same model, usually they difference by the screen resolution.

    To update this feature you have to copy new files in:

    • Device:\.System\JCV folder - for new devices with hidden .System folder
    • Device:\Garmin\JCV folder - for older device with JCV support
    • SD:\Garmin\JCV folder - this way for all devices
    Important: Don’t have to rename the JCV files, just copy in JCV folder. You can use different maps JCV in the same folder EXP. JCV for CN Europe and JCV for CN N. America, any map will take data from personal JCV.

    This is a split JCV from new Nuvi 37XX serie


    Normaly will find a Full Screen Picture


    Video for Junction View




    PhotoReal Junction view
    With PhotoReal JCV will have more than a lane indication, will see a picture of what you really have behind you, buildings, bridges, trees…
    This JCV file is only supported in few models, consult your device spec for info.
    To update can use the same folders as normal JCV files before.





    3D Buildings
    This feature will apply to the map a 3D view with picture of famous buildings and a structure of the other buildings. Mostly available for the biggest cities.

    This feature can be used updating the gmap3d.img file, this is the structure:
    New devices with hidden .System folder

    • Device:\.System\gmap3d.img file
    • SD:\Map\gmap3d.img file
    Other devices
    • Device:\Garmin\gmap3d.img file
    • SD:\Garmin\gmap3d.img file

    You can use 2 different 3D buildings file at the same time, one gmap3d.img and the second one named gmap3d1.img, if the 2 diferent 3D files are stored in different folder you can use with the same name without problem.
    EXP

    • Device:\.System\gmap3d.img (Europe 3D)
    • SD Card:\Map\gmap3d.img (America 3D)




    Time Zone (gmaptz.img file)

    This little map file will update the time setting on your device any time you move from one Timezone to another,
    To update this feature have to replace old gmaptz.img with the new one, in this folder:
    • New Devices:\.System\gmaptz.img
    • Old Devices:\Garmin\gmaptz.img


    Time Zone


    Last edited by Kor@l; 16th January 2012 at 17:45.

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    Re: GARMIN ADDITIONS FILES (ASR, G2S, DB, 3D...) What & How to update.

    I have a question. I have a Nuvi 3790t with NA maps preoloaded. I have in my micro SD card the CN Europe NTU 2012.20.
    I tried to replicate the structure of the garmin device in the microSD. But my nuvi only shows the Europe and 3D maps, not the traffic trend map for Europe.

    If I want to store all europe maps/data related in my microSD. Where do I have to safe the .db and .G2S files to be recognized by my nuvi?

    Thanks!

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    Re: GARMIN ADDITIONS FILES (ASR, G2S, DB, 3D...) What & How to update.

    You can put in SD only the map+3D+JCV file, if you want to update ASR+G2S+DB file you just have to ad this files in existing folder in hidden .System folder, you will have 2 G2S files in G2S folder, 2 DB files in SQlite folder and all ASR + SRX files in ASR folder, just remember that you don't have to rename nothing just use files like they are(all this is tested by me in my37XX)
    Last edited by Kor@l; 24th December 2011 at 10:13.

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    Re: GARMIN ADDITIONS FILES (ASR, G2S, DB, 3D...) What & How to update.

    Quote Originally Posted by Kor@l View Post
    You can put in SD only the map+3D+JCV file, if you want to update ASR+G2S+DB file you just have to ad this files in existing folder in hidden .System folder, you will have 2 G2S files in G2S folder, 2 DB files in SQlite folder and all ASR + SRX files in ASR folder, just remember that you don't have to rename nothing just use files like they are(all this is tested by me in my37XX)
    Thanks a lot! It's working fine now...

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    Re: GARMIN ADDITIONS FILES (ASR, G2S, DB, 3D...) What & How to update.

    Quote Originally Posted by Kor@l View Post
    You can put in SD only the map+3D+JCV file, if you want to update ASR+G2S+DB file you just have to ad this files in existing folder in hidden .System folder, you will have 2 G2S files in G2S folder, 2 DB files in SQlite folder and all ASR + SRX files in ASR folder, just remember that you don't have to rename nothing just use files like they are(all this is tested by me in my37XX)
    Thanks for all your help.
    I have a couple of questions - just to summarize the scenario for 37XX.
    I want to have NA maps as pre-loaded, and Euro maps on SD.
    Do I put on SD:
    1. maps (e.g. a regular and 3D) - in folder X:\Map
    2. the JCV file - in folder X:\Garmin\JCV
    Is this correct?

    If I want to add other files - ASR, G2S, DB, etc. - I add them to respective .systems directories.
    1. Is it necessary?
    2. What will they add to the capabilities provided by the existing files?
    3. Will they be wiped out when I update the NA files (I have life time updates).

    Thanks again.

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    Re: GARMIN ADDITIONS FILES (ASR, G2S, DB, 3D...) What & How to update.

    Yes the update structure about the map+3D+jcv is correct

    If you wnt to have Europe MyTrends/TrafficTrends/Voice command, must add to .System directories ASR+SRX, G2S and DB files. When you update your LT CN N. America the updater will only update the NA files without doing nothing with the Europe addition files, after update will have new NA files with old files of Europe.

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    Re: GARMIN ADDITIONS FILES (ASR, G2S, DB, 3D...) What & How to update.

    Thank you. This seems to have worked (all maps show) although I couln't test it live in Europe yet.
    I remember reading somewhere that ASR+SRX files can be stored on SD - have you tested that?

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    Re: GARMIN ADDITIONS FILES (ASR, G2S, DB, 3D...) What & How to update.

    Quick Question about Traffic Trends & My Trends..

    Is the,
    G2S file for "Traffic Trends"
    and the DB file for "My Trends"

    Or does each file operate both Traffic & My Trends?
    Thanks

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    Re: GARMIN ADDITIONS FILES (ASR, G2S, DB, 3D...) What & How to update.

    Just curious, how could the device identify the correct JCV files if there are more than 1 map installed.

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    Re: GARMIN ADDITIONS FILES (ASR, G2S, DB, 3D...) What & How to update.

    The info are stored in the map/jcv files, any new version of maps when selected try to run the right version of JCV.

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