GPS Stuff

A holding place for misc stuff relating to GPS and Sat-Nav

Model Number	Chipset	Manufacturer	Sensitivity
Nuvi 1200/1300/1400	SiRF*3	SiRF	High **
Nuvi 200 Series	ST Micro Cartesio	STMicroelectronics	High **
Nuvi 700 Series	MTK	MediaTek	???
Nuvi 3000 Series	???	????	???

** - Of course Garmin are going to say "high" - they are hardly going to say "buy this GPS with a 'moderately' sensitive reception!

The chipset in the Nüvi 3790T, 3790MLT, 3760T and 3750 are unknown at present.

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Firmware update that provides MP3 capability for units that didn't have it factory installed

As far as I know there is no such thing as a firmware update that will allow a GPS that uses .wav files for its alarms (possibly through custom POI's) to be able to use MP3 files.

If MP3 files are converted to .wav format, and there are a lot of utilities to do this, they could be used for alarms. However, the ability to play MP3 files in their native form would require an MP3 player - this is not likely to be installed with a firmware update.

Currently, September 2009, the current Garmin line of GPS that have an MP3 player are the 7** series - including the 765T. The 2** 5** and the new 1200/1300/1400 series DO NOT - this includes the 255W, 1370T and 1250.

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All Pages Relating to GPS on this website

• The "Easy Way" to get free maps for your Nüvi
• Installation of MapSource on a Netbook - original page contained links and references to the Jetmouse Garmin_Unlock_Generator_1_5_FID5DIGIT.exe
• A practical example of a trip plan on an unlocked map - (ireland_garmin.html)
• Garmin Nuvi 255W and 765T GPS
• The Set-up of Nüvi #3
• The files on the GPS unit - .img and .gpx
• On the Road with a Netbook and a Nüvi
• Using MapSource
• Installing Garmin Mapsource - When not installing a map update from Garmin
• Using a Netbook with a Garmin Nüvi
• cityExplorer™ and London Planning - Installation and use
• Pedestrian Mode
• Nüvi 1370T
• GPS Traffic Reporting, Alerts and Usage
• The GPS Customer
• .img Unlocking - files you often see on torrent sites - Transferring maps that are only on your GPS to your computer
• Determining the Product ID of a Garmin Map
• Unlocking Garmin Maps
• Garmin - Firmware and lack of routing capability
• How to determine the product key of a Garmin map - so that it can be unlocked