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I have a GARMIN GPS III (not plus), and I had the 1995 problem (mine was showing may) that you seem to have.
I discovered it could be a combination of the Y2K bug, and the End of Week problem. Apparently around in 1999, the way GPS was operating needed to be updated, so they changed a few things in the method. The End-Of Week issue was solved by an update for GARMIN GPS units (including the GPS III).
I found a link at http://home.mira.net/~gnb/gps/gps38.html that (near the bottom) spoke about the end-of-week problem. The Readme file from Garmin (and the Zip file) are linked, but it links to:
I know this says GPS38, but it seems it was a generic problem in many units (one program to fix all), and the software seems OK on my GPS III
I had the serial cable for the PC, so I powered up my GPS, attached it to the computer, and ran the GPSEOW file on my PC. After I got the serial port working in (COM1 - COM4, rather than COM5 I had by default), it connected, and updated my GPS. It now has Jan 2015 (correctly)!
It does need to autolocate after the update, so having an antenna and the sky handy is useful, but that seemed to behave OK after it got a fix.
So, even with my Win8.1 PC, and a USB-Serial adapter in 2015. I can get it to update fine.
Hope that helps someone else.
Are you using a Route and a routeable map? It sounds like you are. If so and you set the via point to " dose not alert" it won't alert the point however it will still alert you to turns. If you go into "setup" then "Tones" then "Early Turn Waring" and "Final Turn Warning" you can set them both to off. You can also go into "Proximity Alarms" from the tone menu.Then turn on "Proximity Tones" you can set tones or turn them off for "Proximity Alarm", "Approaching Proximity Alarm" and "Leaving Proximity Alarm". Then from the main menu go into "Waypoint manager" Select the waypoint you would like to alarm by pushing in on the joy stick. Then push the "menu" button then go into "Set Proximity" You can then set how close you would like to be when it alarms.
I did create a lot of "weeds"........ <<grin>> I just can't help myself, sometimes tangent paths are to irresistible for me.
So, just to be clear, do you have a file with a .gpx extension that you copied to the card? How did you convert the waypoints to a .gpx file? The card needs to be formatted as FAT32, which would normally be the default for a 16gb card. It could be a defective card, that is not terribly unusual.
Try copying the file directly to the internal memory of the 62s and see if that works. If not, then there may be something incompatible insided the file, there seem to be different "flavors" of GPX. I would try opening the file in Garmin Basecamp or Mapsource and see what happens, if it doesn't work there, then it may not be compatible with Garmin's implementation of .gpx You can open .gpx files in a text editor and see exactly what's inside for troubleshooting.
It shouldn't be necessary to "sync" anything. When the 62s starts up it should automatically read any data in a .gpx file on the card or in internal memory.
The 3597 uses via points as destinations by default but it's more than simple to change them to shaping points if you are using trip planner. Just load your trip and the list of via points screen appears on the screen that has the Map and GO icons on it. Tap the "FLAG" to the left of any of the waypoints between the starting point and the end point and the Nuvi will ask you if you want to change the waypoint to a shaping point. Say yes and your good to go.
This is an old thread, but my numbers should give you some idea of how much coverage you can fit on a card.
Rounding off... figure about 2.5 MB per square mile for the highest quality imagery. So that is about 400 square miles per gigabyte. So, theoretically, you could fit 25,600 square miles on a 64gb SD card. That would be the equivalent of an area 160 miles x 160 miles.
Now my subscription expired a long time ago, and I know they have made some changes. But according to my old thread, there are 150 image tiles per square mile. I think you will probably hit some other limits before reaching 64gb - that would be almost 4 million tiles and I doubt your device can handle that many, regardless of the memory card size.
I have a 16gb card that is full of birdseye imagery. When I insert this in my Montana, it takes forever to start up, which I found unacceptable. You will have to do some experiments to see how much imagery actually works well on your GPS.
There has been no recurrence of this problem, but I made sure to put a paper map into the car before my wife set off to see her elderly aunt, about 200 miles away.
Here's a funny story for all you GPS folks:
In the year 2000 my wife bought me my first SatNav for my 50th birthday. I was really pleased and told her I was glad that she wanted me to be able to find my way home.
She replied "I'd rather hoped you'd use it to GO somewhere..." :-)
I would have called her bluff on that. :D
from david to keefo. having very similar problems - did you manage to resolve??
Well that's a strange question ...
If you know the route from your home to the town centre is there any need for you to worry about this?