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Re: Garmin GPS Street Pilot 2820
I believe there is a battery backup for the memory & it may have run down. I don't know if it's a consumer or factory fix. Consult the owner's manual. If you don't have the manual, copy & paste the URL I've provided to your browser & that will take you to the 2820 manuals page. The quick reference & owner's manual are available free as downloads. Good Luck.
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I had a problem when I went to the Garmin site to update my 2820. After the update, the touch screen function didn't work--it would freeze and I'd have to reboot it. In contacting Garmin, even though this was a high-end GPS and was not inexpensive when it came out, they said they would no longer support it and they wouldn't offer any suggestions as to how or who to go to in order to return its functionality. It looks like what happened when they stopped their customer support that they combined the software from the 2820 with their Nuvi software and while that might work for the map, it deactivated the touch-screen and bluetooth function. My unit still does not work.
Most stock units are equipped with a US & Canada map if purchased in the US. Yes, the unit will work in Italy but you will need to add a Europe Map on an SD card, as the internal memory may not be large enough to hold both maps.
The Street Pilot line was one of the first automotive GPS devices from Garmin, and has got to be 8+ years old. Garmin contracts with Navteq for map software. At one point, Garmin needed to have Navteq compress their new maps so that they wouldn't need to increase the amount of memory in the GPS units and still be able to include all the way points, and new features such as junction view, traffic receivers, text to speech voices, etc. These new maps have an "NT" descriptor in the title. "NT "stands for "New Technology". Non-NT maps are no longer produced.
The new Garmin GPS hardware had to included the ability to decompress maps "on the fly" for display on the screen. As a result, the NT maps will not work in the older Garmin devices.
Your best bet is to either use the Street Pilot - knowing that the routes may no longer provide accurate information, or purchase a New, Refurbished or Used GPS. Garmin offers "Lifetime Maps" as an option for nearly all NT capable GPS units either as a subscription after GPS purchase, or "in the box" when buying a Garmin GPS. You'll get FREE map updates for that GPS up to 4 times per year. This assures you of always having the most recent maps available in your GPS. Look for a model that has "LM" in it (ie: nuvi 1490LM). If it has a "T" in the model name (ie: nuvi 1490T), it has Lifetime Traffic. If it is listed as "LMT" (nuvi 1490LMT) it has both Lifetime Maps and Lifetime Traffic.
Take it back to the 'secure location' as indicated in your service manual. It will automatically unlock when it gets a full satellite signal. You have to enter the PIN number twice when setting up the unit. You should always use a number which is familiar to you so you can remember it. If you can't remember it, and if your secure location doesn't unlock the unit, you will need to send the unit to Garmin to unlock it. You will need your receipt for Garmin to unlock the unit.
To activate the voice prompts, go to 1. Tools, 2. Settings, 3. Language, 4. Voice Language Option, 5 Select a Voice Option that includes a persons Name, eg Jack or TTS, Select OK and that should resolve your problem.
My Garmin c350 has a green screen after trying to update it for the first time and my computer will not read that it is connected.
It will not shut off after holding the power button down for 3 minutes