JT 384, so good luck with your decision and let us know how you are satisfied with your 660 than.
But the 478 doesn't use data cards much differently than the 660 does.. Maps are preloaded in main memory and data cartridges are used for supplementary mapping. Since there's no MP3 player in the 478 you don't need any memory cards unless you want to install out-of-area maps and how often is that?.
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I personally liked the 478 better than the 660 but I didn't want to mess around with data cards.
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But the 478 doesn't use data cards much differently than the 660 does.. Maps are preloaded in main memory and data cartridges are used for supplementary mapping. Since there's no MP3 player in the 478 you don't need any memory cards unless you want to install out-of-area maps and how often is that?.
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I personally liked the 478 better than the 660 but I didn't want to mess around with data cards.
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I was able to get all of the USA and Canada 2011.20 maps on the Zumo 550 by deleting all unnecessary languages and vehicle types, and I can load many routes (some complex 600 miles ones easily). I worried about the next map upgrade and can understand your thoughts on the lifetime upgrade. I have a 16GB SD card in it partly loaded with music which will slow the start up of the unit.I have not had most of the problems that bramfrank reports with my Z550. Since I bought the thing I have been in love with it...
...until recently. I was duped into buying a NuMaps "lifetime" maps upgrade for my Zumo. When I did it upgraded my maps to the latest 2011.2 maps, but also surreptitiously updated my mapsucks to ver 6.16.2, which has the route sharing problems we discovered earlier, creating pink spaghetti, etc. except that now the route lines are no longer pink, so I guess they figure that they fixed that? :blink:
When I updated my maps the GPS would not accept all of North America and Canada in the limited memory of the device ( what?) even though I have an expansion SD card, it will not use that memory. Instead I had to select just "lower 48" for the maps upload. And, now, when I try to load even a modest route the GPS complains of being "out of memory, blah, blah, blah". It is also acting significantly more buggy than it was before the "upgrade".
I am sorely tempted at this point to roll back my Z550 to the 2009 maps and Mapsource version that came with the unit, and which was so darn stable. If I do so, at that point I will be out the entire cost of the lifetime NuMaps upgrade (not an insignificant amount of coin), but maybe I'll just give Garmin enough constant heat that they'll refund my purchase price? I doubt it, but I suppose it is worth a try. The big problem is, (as I've said before) Garmin really sucks moist *** cheese, except when compared to all the others.
I have also deleted all the extra voices, languages and vehicles (after the unsuccessful map upgrade) in an attempt to get the routes to run more reliably. I may go back now and see if I can get the rest of the 2011.2 to load up.I was able to get all of the USA and Canada 2011.20 maps on the Zumo 550 by deleting all unnecessary languages and vehicle types, and I can load many routes (some complex 600 miles ones easily). I worried about the next map upgrade and can understand your thoughts on the lifetime upgrade. I have a 16GB SD card in it partly loaded with music which will slow the start up of the unit.
I haven't tried listing all the mp3's on the Zumo itself, but I can see 17 full CD's in mp3 format and an additional top 500 listed in five folders from my computer screen (through the Zumo USB cable), and the computer says I still have 11.1 GB left on the card. Also, when looking at the Zumo music screen, it says which mp3 out of 660 it is playing as in (377 / 660).I have also deleted all the extra voices, languages and vehicles (after the unsuccessful map upgrade) in an attempt to get the routes to run more reliably. I may go back now and see if I can get the rest of the 2011.2 to load up.I was able to get all of the USA and Canada 2011.20 maps on the Zumo 550 by deleting all unnecessary languages and vehicle types, and I can load many routes (some complex 600 miles ones easily). I worried about the next map upgrade and can understand your thoughts on the lifetime upgrade. I have a 16GB SD card in it partly loaded with music which will slow the start up of the unit.
Is there a good reason to use a larger SD card? I'm only using 4GB SD cards since the unit will only list 500 mp3's anyway, seems overkill to have anything bigger on there.
Really? I'll have to check again, but I could have sworn that there was a 500 title limit. Maybe it was 660. Either way, it just quits indexing the mp3s once it reaches the maximum. The only way to get more music is to combine multiple songs into single mp3 files.I haven't tried listing all the mp3's on the Zumo itself, but I can see 17 full CD's in mp3 format and an additional top 500 listed in five folders from my computer screen (through the Zumo USB cable), and the computer says I still have 11.1 GB left on the card. Also, when looking at the Zumo music screen, it says which mp3 out of 660 it is playing as in (377 / 660).
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