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Navigation path not setting up. on screen message, when i touch set up the following message is displayed, \SDMMC\iGO8\SETUP.EXE

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I quote this write-up form GPS site...

I have recently installed iGO8 on 2 GPS units - one a Soniq Qnav QNG400 and the other an unbranded unit bought on ebay that had a timed lock on it. Both required slightly different installations that I will share here, to show appreciation for the useful discussions that helped me to successfully install iGO8 on both units.

DISCLAIMER: Do this at your own risk. If you render your GPS unit an expensive paperweight, do not blame me. The first thing that I recommend is BACK UP your files (SD card) before making any changes.

Firstly, I downloaded the iGO8 program and map files (other threads on this site have links to these files, which are updated fairly regularly, so I won't repeat them here).

Soniq Qnav QNG400:

This was given to me as a promotional gift. It came installed with Destinator software and the Australian map was a 2006 version from Sensis, which is dated and forced me to look for more recent maps. iGO8 was my choice.

What I was able to do was connect the unit to my Vista PC via USB. It allowed me to navigate the entire file system, including the internal flash memory. The flash memory contained a file that pointed to the navigation software executable:

\MyFlashDisk\DestinatorApps\DShell\Schema\Schema.i ni (took a while to work out the importance of this file)

1. Back up existing SD card files to your PC if you plan to use the same SD card.
2. If you haven't done step 1, don't go any further
3. Remove all files on the SD card. On mine, it had a directory 'DestinatorApps\Australia' with the map, poi etc. files in there and nothing else.
4. Copy the un-rar'ed or un-zipped iGO8 files to the SD card, using the same directory structure. There should be one folder called iGO8 in the root and under that the iGO8 executable, .dll's, sys.txt file and other folders.
5. The map, poi, language, etc. files should go in their respective folders under \iGO8\content. That is:
- map file(s) in \iGO8\content\map
- poi file(s) in \iGO8\content\poi
- language file(s) in \iGO8\content\lang etc.
6. Connect the GPS unit to your PC and open the Schema.ini file (location given above). There is a section titled [DestinatorBtn], which defines the program that will be executed when the navigation option is selected from the startup menu screen (at least on the Qnav QNG400 running Destinator software). The 'Action' parameter defines the location of the executable. Below is the relevant section with the original Action commented out and the iGO8 executable (on the SD card) defined.

; Left button -------------
; Original Destinator application (located in internal flash memory)
;Action=\MyFlashDisk\DestinatorApps\Destinator\Des tinator.exe
; iGO8 application (located on SD card)

The above details indicate that the original SD card only contained the map files (which explains its relatively small size of 128MB). The application software (Destinator.exe) is in the flash memory. What this means is that without access to the flash memory (to modify the schema.ini file as above), it would be difficult to install/use different navigation software and maps.

7. That's it. Go to the 'Testing' section below.

Unbranded GPS device:
A locked GPS unit was given to me to check out (i.e. try and unlock and/or install iGO8). The navigation software (trial version) was due to expire at the end of this month. It came with basic MobileNavigator software and an Australian Route66 map on a 1GB SD card without TTS capability.

When connected to my Vista PC or an XP SP2 PC, only the SD card files were visible. There was no easy way of accessing any internal files like I was able to do on the Qnav.

This unit required a slightly different installation procedure:

1. Back up existing SD card files to your PC if you plan to use the same SD card.
2. If you haven't done step 1, don't go any further.
3. Remove all files on the SD card except 'GpsShell.ini' in the root (specific to MobileNavigator I think). If you delete this, you can copy it from the backup you made in step 1.
4. Copy the un-rar'ed/un-zipped iGO8 files to the SD card, using the same directory structure. There should be one folder called iGO8 in the root and under that the iGO8 executable, .dll's, sys.txt file and other folders.
5. The map, poi, language, etc. files should go in their respective folders under \iGO8\content. That is:
- map file(s) in \iGO8\content\map
- poi file(s) in \iGO8\content\poi
- language file(s) in \iGO8\content\lang etc.

6. The sys.txt file may need changing, but the one I used contains:




Note the app directory "%SDCARD%/MobileNavigator". This will be explained after step 7.

7. Since the internal flash memory was not accessible, the button on the GPS unit's main menu that runs the navigation software looks for (and expects) MobileNavigator.
To overcome this:
7a. Rename the 'iGO8.exe' file (in the \iGO8 folder) to 'MobileNavigator.exe'
7b. Rename the root 'iGO8' folder to 'MobileNavigator'

This basically tricks the unit into thinking that MobileNavigator (and associated maps) are installed, when in actual fact it is iGO8 that will be running.

It is also why it is important to set the app folder correctly in the \iGO8\sys.txt file mentioned in step 6.

8. The original card came with an .ini file called 'GpsShell.ini'. This should be copied (from the backup) to the root of the new SD card, otherwise it may not work. I've seen other posts mentioning similar files such as 'shell.ini'. Finding the correct file may require some trial and error for other devices/software, although there would not normally be many .ini files in the root location.

That pretty much completes the setup and necessary changes. Insert the SD card into the GPS (if it isn't already) and select the navigation option. If all is well, iGO8 should start, possibly with a few option screens for language etc. and then into the main navigation menu.

I hope this information helps others who need to do similar mods to their GPS/mapping software.

The above ideas should be usable for other units and map software as long as the necessary configuration files have the correct settings and, if necessary, directory and executable file are renamed according to the original software.

Hope this helps; keep us updated

Posted on May 19, 2011


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