Unit works great as long as you are attached to one of the power sources, however the battery loses charge in 3 minutes. It appears to be ruined by over charging. I like the unit. It meets my need, but I need to have the battery function restored. Question: How/Where do I go to get the battery replaced?
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1. Make sure that your car receptacle has +12VDC. Try another device to confirm.
2. Make sure that the car charger is working properly. Most have a fuse in the tip. It could be blown. It may not be converting +12VDC to +5VDC which is required to power the GPS. Try another charger with the GPS.
3. Common problem with the 25xx series are loose/broken USB charger ports. This will prevent the unit from powering up with an external power source and will prevent the battery from being charged. Eventually the battery will lose its charge and since the USB charging port is loose, the battery will not charge and the unit will appear dead. More info here:
How old is unit? these have not been made for several years and locating any replacement parts will be difficult. the Finedrive units were produced by the same company as the Navman units, but they no longer support them except for batteries.
GPS SYSTEMS HAVE A TENDENCY TO LOSE CONNECTIVITY TO SATILLITES BECAUSE OF BAD WEATHER, CLOUD COVER, TUNNEL ENTRANCE, BAD OR NO POWER, BATTERY LIFE HAS BEEN EXPENDED, HAZARD OF ELECTROMAGNETIC INTERFERENCE TO GPS SYSTEMS, AND IMPROPER VEHICLE MOUNTING AND HAND HELD POSITION. FREE SOLUTIONS 1. ALWAYS PLACE YOUR GPS DEVICE IN THE UPPERMOST PORTION OF YOUR VEHICLE SO THAT THE GPS SIGNAL MAY EASILY LOCATE YOUR DEVICE EVEN WHEN THE WEATHER IS BAD 2. KEEP YOUR BATTERY CHARGED ONLY WHEN IT NEEDS IT MOST AND AVOID CHARGING OFTEN 3. IF YOU OVERCHARGE YOUR GPS DEVICE, YOU WILL EXPERIENCE BATTERY LEAKAGE, WHICH CAN EAT AWAY AT YOUR CLOTHING, DESTROY YOUR DEVICE IN SECONDS, AND CAUSE DAMAGE TO YOUR VEHICLE SEATS 4. YOUR GPS DEVICE HAS A TENDENCY TO FREEZE BECAUSE OF THE SIM AND MEMORY CHIPS LOCATED WITHIN IT 5. YOU CAN FIX THE FREEZING PROBLEM BY REMOVING THE SIM CHIP AND MEMORY CHIP AND RESTARTING YOUR SYSTEM 6. OTHER FREEZE PROBLEMS OCCUR BECAUSE THE DEVICE IS COLD WHEN IT IS KEPT IN THE VEHICLE AND CHIP CREEK OCCURS WHERE THE DEVICES MICROCHIPS BECOME LOOSE AND TIGHTEND BECAUSE OF WARM AND COLDER AIR FLUCTUATIONS. IT IS BEST TO KEEP THE DEVICE IN A PURSE OR ON A TABLE WHERE IT IS NOT SUBJECT TO CONSTANT TEMP. CHANGE 7. PREVENTION OF ELECTROMAGNETIC INTERFERENCE IS BEST SOLVED BY: interference from devices located nearby, and even a radio turned on and located really close to your unit. This is normally known as electromagnetic interference to electronics and is very common
both cases could be due to a dead memory battery. these have a very tiny button battery in them to keep some memory such as GPS position. if it dies then the GPS may take longer to get a fix and data such as your last position is gone each time you boot.
I have a cd with the programming, including the maps. If you send me a blank with a SASE, I will copy the disk and send it back to you. Or, if you'd rather, send the data card and I can reload it and return it to you. I have learned from FineDrive that no further updates of the 2005 maps on the cd are expected to be forthcoming. NavTour has not answered me yet. They may be able to fix any battery or card problems.