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hi catymag the thing is that it works but not if i insert a different TrakMarine card (a card that wasn't inserted while at v3.4). I dont think I've done a hard reset since I'm not sure how to do it on the echomap 70dv. and when should I do it while on 3.4 or at 4.2?
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19th February 2015, 02:01 PM #1Member
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19th February 2015, 03:21 PM #2Important User
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Perform master reset after downgrading to old firmware 3.40 ......and IMHO after flashing 4.20 too.
pag 33Code:Please Login or Register to see the links
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Galaxy S5 Kitkat 4.4.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / Nuvi 66 / Oregon 600
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20th February 2015, 04:06 AM #3Member
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alright tried it with the resets (downgrade to 3.4 and do a reset insert my maps chips then upgrade to 4.2 and do a reset and insert my map chips) and I get the same scenario. it works fine at 3.4 but once I update and insert a different TrakMarine card (a card that wasn't inserted while at v3.4) it doesn't accept it "map format not supported". but to cure this all i need to do is insert them all while at 3.4 then update and they will all work.
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9th April 2015, 08:28 PM #4Important User
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There are 2 links in post n10, second one is good
sent with my phone
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Galaxy S5 Kitkat 4.4.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / Nuvi 66 / Oregon 600
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10th April 2015, 11:44 PM #5Member
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update:
There's a new firmware update for this unit v4.40 and 3rd party maps don't work at all with this one.I still haven't found a way around it. Just a heads up!
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11th April 2015, 01:43 AM #6Important User
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15th April 2015, 06:24 PM #7Member
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Has anyone been successful in loading custom maps on Garmin Gpsmap 7610 or similar
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16th April 2015, 04:51 PM #8Member
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Trying to use custom maps generated with gpsmapper and sendmap in the new 2015 marine chart platters. The custom maps are on sd card with a lock key based on the unit ID number. When I plug in the chip, the unit recognizes the map but a message stating " THE MAP FORMAT IS NOT SUPPORTED" is displayed on screen. Below is the data from the GarminDevice.xml file. Anyone run into this problem. Have used this method for the past several years without any problems.
-<Model>
<PartNumber>006-B2101-00</PartNumber>
<SoftwareVersion>230</SoftwareVersion>
<Description>echoMAP 74sv, US Offshore</Description>
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17th April 2015, 12:56 AM #9Important User
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I think custom Charts will only work with the following Garmin Plotters:
GPSMAP 400/500/600/700/1000/4000/5000/6000/7000 Series.
Garmin Plotters with a software version higher than 2015.02.02 will not be compatible.
As stated for example from this vendor about Navionics charts.
Changelog probably is this one:Code:Please Login or Register to see the links
Changes made from version xx to xx: Changes to support manufacturing.
The only way (if possible) is to downgrade fw.
Read info linked in post n 24.
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Galaxy S5 Kitkat 4.4.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / Nuvi 66 / Oregon 600
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21st April 2015, 01:53 AM #10Junior Member
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thank you I dO
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