Geting a Buechart in to a GPSMAP 420?

**mopar340** · 10th August 2013, 06:57 AM

Hello,

I am trying to assist a friend to get a Bluechart G2 vision in to his GPSMAP 420 but my experience on Marine devices is limited.

I have downloaded VEU712L (Unlocked version)

[Only registered and activated users can see links. ]

I downloaded, unpacked, and copy the img file to a "Garmin" folder in a SD card but the GPS cant find the map?

is it ok to keep the VEU712L.img name or do i have to rename it to somthing like gpsmap.img ?

can this device use unlocked maps or do i have to use the locked and make an .unl file?

Do i have to "activate" the map in some menu on the device?

Anybody whit a hint what i am doing wrong?

**Neil** · 10th August 2013, 08:39 AM

In the SD's Garmin root folder the name gmapsupp.img is universally accepted by marine units. You can check it is working from the Home screen, where you can select and deselect features of the Vision g2 chart via Charts>Navigation Charts.

There is no need for an unlock code and in fact it would even be counterproductive if the img is correctly unlocked. You can check it in GMAPTool, or just run [Only registered and activated users can see links. ] on it if you aren't sure.

**mopar340** · 12th August 2013, 11:42 AM

Thanks,

It may be that i called the file HEU712L.img that is the problem...? Will try to change name and test again.

**ujima** · 13th January 2014, 03:43 PM

Do you know that garmin 420 can work only up to 2 gb

**Neil** · 13th January 2014, 10:53 PM

@ujima
The OP seemingly solved his problem by naming the map gmapsupp.img. Image size was not his problem in any case, the chart in question VEU712L is 2114997321 Bytes [1.97GiB].

**mopar340** · 10th August 2014, 08:19 PM

It worked perfectly after I renamed the file to gmapsupp.img.

Thanks.

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