Distance off WAY low all of a sudden (3.32 miles vs 3.68 before on same route)
1992357
I have found mine to be very accurate, although sometimes it will be off usually about a quarter mile for a 10 miles ruen. I think it has more to do with the movement or adjustment of the satelites rather than the watch, since I have noticed on the peaks website that sometimes the course is really off and has me starting out in Lake Erie. There is not really much you can do about it and all brands pretty much use the same gps. If I am running a course for time, I always measure it by my bike or car for better accuracy. I did do a 10 mile race last fall and it showed 10.07 which was very good. Trees and turns or switchbacks can through it off as well. I have found mine to be very accurate, although sometimes it will be off usually about a quarter mile for a 10 miles ruen. I think it has more to do with the movement or adjustment of the satelites rather than the watch, since I have noticed on the peaks website that sometimes the course is really off and has me starting out in Lake Erie. There is not really much you can do about it and all brands pretty much use the same gps. If I am running a course for time, I always measure it by my bike or car for better accuracy. I did do a 10 mile race last fall and it showed 10.07 which was very... » Read More I have found mine to be very accurate, although sometimes it will be off usually about a quarter mile for a 10 miles ruen. I think it has more to do with the movement or adjustment of the satelites rather than the watch, since I have noticed on the peaks website that sometimes the course is really off and has me starting out in Lake Erie. There is not really much you can do about it and all brands pretty much use the same gps. If I am running a course for time, I always measure it by my bike or car for better accuracy. I did do a 10 mile race last fall and it showed 10.07 which was very good. Trees and turns or switchbacks can through it off as well. « Show Less
1992358
If you have had it less than a year, send it back to them and ask for a replacement. If they return it 'fixed', tell Timex it still is not working, because they probably didn't fix it. I sent my watch back in for repairs and it came back in worse shape then when I sent it, so they replaced it, no questions asked....I would buy another watch from these guys.
1992359
I have found mine to be very accurate, although sometimes it will be off usually about a quarter mile for a 10 miles ruen. I think it has more to do with the movement or adjustment of the satelites rather than the watch, since I have noticed on the peaks website that sometimes the course is really off and has me starting out in Lake Erie. There is not really much you can do about it and all brands pretty much use the same gps. If I am running a course for time, I always measure it by my bike or car for better accuracy. I did do a 10 mile race last fall and it showed 10.07 which was very good. Trees and turns or switchbacks can through it off as well.
1081670
Yes. Generally traffic is accurate but not 100%. Auto rerouting is surprisingly helpful.
992885
My unit tends to run roughly 10 minutes long per hour of travel...it can not account for my 7-10+ miles per hour over the speed limit and may be adding some traffic variable that I never really see. The close I get to my destination it seem to get in line with a more realistic ETA.
210360
In my experience with this speedometer, the range was EXTREMELY limited, probably less than two feet. Try moving the speedometer closer and see if that gives you a better reading?
2059997
Hey M. , Did you add Mapping solfware yourself ? If you did, you have to have the solfware Settings , set for the GPS unit. Mapping setting have to match. Not sure where but it should say something about downloading maps to the unit. A friend of mine didn't have the setting matching and we were off about 1/4 mile. This is not good when out hunting.
648653
i have a guess, and i want to stress that this is *only* a guess, that tomtom averages the amount of time that people take to drive any given route. if the road is wide open -especially for longer drives- i always beat the original estimates; if the traffic is bad, i'm always later. i know for a fact that tomtom is taking information from your device, and vice versa, when you connect to tomtom.com. the tomtom is definitely learning new routes (from roads that people drive on that the device doesn't know about -- i've seen roads show up on my device after friends have logged them with their tomtoms on) and new shorter paths (my device doesn't direct me "wrong" again after i've gone a shorter way than it originally knew about. so i think they're conglomerating data and giving you a point-to-point guess based on what their users have actually done. it wouldn't surprise me that if you used the external traffic sensor that this would be even more accurate based not only on the traffic of the moment, but their data base on the history of your route at that particular time. for what it's worth, m.
1719361
it shows no distance thas why i return it back and i received ob=nly a part from the amount i paid.....
1738714
Presume you are using yardage markers to draw your conclusion. They are notoriously wrong and don't account for pin positions changing and "slope". The unit takes into account up and down hill lies. This may be some of the reasons you're experiencing the discrepancy. I'd trust the device.
704096
I am 60 miles away from the nearest tower and in a low area. Don't know what an F connection is.
400619
It has lost connection a few times before so a part of the mileage did not log. It is annoying but it happens rarely. Also I think it is a problem of ifit but not the treadmill's. The most annoying thing for me is the maps loading. Most of the time I need to restart ifit a few time to have a map loaded on treadmill but at the end it always works. I'm not sure if it the treadmill's problem or ifit in this case. I hope I could answer your question.
1755632
The distance recorded by the 620 gets short of what the treadmill registers -- up to 15% off. I've tried with more than two treadmills with same results. The deviation factor increases with speed. This happens evidentely without the assistance of a footpod. Regards.
1038007
Ask the Pro in the pro shop about possible course changes. Also you don't state how you are measuring what you believe to be the correct yardage. Even the most unsophisticated GPS units have an accuracy better than 20 yards. I'd question your alternate measurement technique.
952163
Hey Thanks man, I will sure try this if I get problems with next unit, I should receve it sometime next week. To be honest I feel like naked without my GPS ...lol
1506222
Yes. During setup I was able to select miles or KM. I hope this info helps.
1242029
I haven't used the altimeter readings too often, but checking against the topo map of where I live, it seemed to be within 20 feet without calibration, and within 10 after calibration (for that day)
103759
Most likely due to a weak signal. Try a station close by and see if it's still a problem.
1196150
Definitely something is wrong. I have mine on a 10 foot wooden pole approx. 10 ft from my house and can pick up pd's 35 miles away plus. Check your connections.