I have a tt720. I just looked at it, and in the "planning preferences" you can select the "avoid freeway" option. Also they seem to be pretty easy to hack, for instance. I have enabled voice recognition on mine, this is only available on eu units off the shelf.
We own 3 GPS units, one built into the coach, a TomTom 720, and a Garmin Legend handheld. The one in the coach is good for getting you there, the TT is great in the car, and the Garmin is great for hiking and handheld GPS data to transfer to other applications. All 3 have pluses and minus. The TomTom is great at re-routing on the fly, either if you deviate from the route or you tell it to program you around a traffic tie up, it will do it within seconds and you'll be moving on. If you don't like the route that it plans for you, it will ask if you want an alternative route and will keep planing until you get what you want. The thing that sold us on the TT is that for the feature to feature comparison against comparable Garmin units it was much less money and easier to operate.
You'll be happy with either the Nuvi 750 or the TT 720. I had a nuvi 660 and returned it for the TT 720 because it wouldn't allow multiple via routes. The nuvi 750 allows 10 vias and the TT 720 allows more. I can't say that one's routing is better than the other. Having owned both they both have problems in certain areas but they both do a good job in most all areas. As for avoiding interstates, I can't say that one would be any better at it than the other because I've never routed with that option checked.
Dodge Ram 2500 Mega Cab (Yeah, it's got a Cummins)
2006 Forest River Grand Surveyor GS-280
Prodigy Brake Controller
1000/10000lb Equal-i-zer with 4-way sway control
Hi Comshaw.
You have plenty of POI for your RV here.
Copy these OV2 files into your North_America map folder (or maybe USA_and_Canada map folder). The BMP files are for the POI icons.
when looking at purchasing a GPS, they say "SD memory card expansion slot", what advantage does that give you? More map capability? POIs? personal photos?
jefff929 wrote: when looking at purchasing a GPS, they say "SD memory card expansion slot", what advantage does that give you? More map capability? POIs? personal photos?
I have a Garmin 750 and the SD slot allows using other Garmin maps like Canada or USA TOPO's, you can switch between mapping programs.
I have several GPS's...Garmin 2620, Etrex Vista HCX, 60CSX and Foreunner 305. All Garmins and happy with them all, don't know about others BUT Garmin's support is excellent in my opinion.
I like a GPS that allows "Desktop Routing" ie creating your proposed route on a computer, adding the route you want it to take (if you know a preferred route) adding vias for Diesel stops, adding Camp Grounds, adding Restaurant stops. Than saving it and downloading it to your unit. The Garmin 750 does this & my former 2620 did also.
I realize this may not be what others want & I guess so does Garmin hence the later profusion of units that would not support this after the early Streetpilots like the 2610, 2620 & 2720 that did support desktop routing. I like desktop routing especially for long trips like our 2100 mile trip from eastern Canada to Florida or 2700 mile trip to south Texas, it is so comforting to be able to have this as an aid to the trip.
Hope this helps.
Chevy 2500 Diesel/Allison,Retrax Tonneau,Weston Platinium Steps, Michelin 265 Skins,Prodigy Brake Controller,Garmin 2620 GPS, Garmin 60CSX, Garmin Nuvi 750. Former Titanium 32E37Ds, soon to be Funfinder RV 210WBS or 230DS
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