Topo Map and Nuvi 770
Sat, 02/02/2008 - 2:11pm
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16 years
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I own a Nuvi 770, is it possible to install Topo Map on this Nuvi?
Also, anticipating that it is possible, I purchased a 4GB HC SD card for my Nuvi, when I put it in the Nuvi, the Nuvi went black and never turn on again. I had to return the Nuvi back for an exchange. Is it because the Nuvi does not accept HC SD cards.
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Some SDHC don't meet the specifications so it might be a problem with the card. You might try a different brand. The card by itself, however, shouldn't cause the unit to malfunction ... especially once you remove it from the unit.
You can use TOPO with a nuvi 7xx. Be aware that there is a 2025 map segment limit, so for the US TOPO, you won't be able to load the whole country at the same time. You will hit the segment limit long before you hit the size limit. You'll probably get about half the country and be at about 1GB when you hit 2025.