As I'm driving down the interstate in NC (and other places), it seems to take me "off-road" and appears to be lost trying to find the road, but showing other roads not in the area. The screen appears that we are flying in space or driving through the brown area. There is a strong signal. Can't trust where it will take me. HELP!
As I always suggest, your maps might be off if you haven't updated since you bought the device, or haven't updated in quite some time. Run the device through TomTom Home to update your maps, and it should provide the fix
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Dutch sat-nav equipment maker TomTom's GO series includesthe compact, portable GO 910. The
device features a wide-screen four-inchdisplay with turn-by-turn voice instructions. The TomTom 910 sat-nav is offeredin many markets and instructions are available in numerous languages, includingGerman, Italian, Spanish and English. If your instructions are in a languageother than English, you can use this article to get started and make a journey.
1 Turn on the 910 using the "on/off" button and tap on the screento answer some questions that the TomTom will ask you. After you have answeredthe questions, the GO will show the "Driving View," which appears inmonochrome until the GO finds your location. It then transitions to color.
2 Place the TomTom outside inan open space without tall trees or large buildings around you, and the TomTomwill find the location. It can take up to five minutes when starting the TomTomfor the first time. The "Driving View" appears in color when the GOhas positioned itself.
3 Tap the screen to launch themain menu and touch "Navigate to" then "Address." Choosebetween "City Center,""Postcode" and so on. Type the details onto the screen using theletter-pad. Touch "Done" when you are finished and the TomTom willcalculate the route.
4 Stay on the route by following the map on the screenand by listening to the voice prompts. The TomTom will immediately startguiding you. The "Driving View" will show the name of the next road,the next instruction and your current position in addition to otherinformation.
Try resetting the unit. If your address or the road your driving on isn't show - try resetting the unit and then on the lower right corner click the space there. Some roads I have noticed do show and some sadly do not.
It depends on the specific model you bought and whether detailed maps were included. In most cases, a "general" map is included for free, but the free map is usually not detailed (no roads or only MAJOR roads, like interstate, but no city streets).
In most cases, YES you will to buy separate maps for your handheld Garmin GPS.
First of all make sure your etrex is not set up to follow roads (if it has that facility). Maps are not always accurate particularly edges of lakes and forest boundaries. If your etrex can only see a few satellites then accuracy will be degraded. Make sure your body is not shielding the view of the satellites by holding the unit away from you. The accuracy of any GPS is affected by the relative position of the satellites with respect to each other. If they appear (at your location) to be in a straight line then your GPS cannot perform the trigonometrical calculations to determine your position with any accuracy. In GPS speak this is called DOP - Dilution Of Precision and can result in variable accuracy from +/-5m at best to +/-30m or worse. HTH Peter
I am not sure which model of the Nuvi you are using but I have the Nuvi 660 and can feel your pain. What use is going over a mountain or down roads made of gravel and miles from civilization only because it is technically a "shorter route"
So here are the basic directions to change that setting and get the Nuvi to keep you on the highways and interstates. If it varies too much, either respond with your model number or go to Garmin.com and get the manual for your model:
Go to SETTINGS then NAVIGATION click on ROUTE PREFERENCES
You should find what you need here, but to tell the Nuvi which type of roads to avoid and which ones to stick to:
go back to the SETTINGS menu touch NAVIGATION again and click on AVOIDANCES
Hope this helps and be sure to keep us updated! TJ