Answering my own question here.Quote:
Originally Posted by smokefree [Only registered and activated users can see links. Click Here To Register...]
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First of all, the presence of the .UNL and .GMA file in conjunction with the .DB file put me on the wrong foot. In one of the City Navigator threads I also saw an .UNL and .GMA file in conjunction with a .JCV file. Yet the .JCV file was and still is not locked. The same turns out to be the case with the .DB file!
How to view Active Routing in BaseCamp?
1. First of all, if using the topomap on an SD, make sure the map is located in the SD:\Garmin folder and the .DB file is located in the SD:\Garmin\SQL folder.
2. Start BaseCamp and wait until it has completed loading the map.
3. Select the map from the pull-down menu at the middle top and zoom in (if necessary).
4. Select Find -> Named Trails. A list will open up with named trails in the vicinity of the middle of the map.
How to view Active Routing on your GPS unit?
This may vary between different models. I have an Oregon 450. Other models may be similar, but different in detail.
1. First of all, if using the topomap on an SD, make sure the map is located in the SD:\Garmin folder and the .DB file is located in the SD:\Garmin\SQL folder.
2. If you are physically located within the map area used, continue at step 5.
3. If you are not physically located within the map area used, put the GPS in demo mode. Oregon 450: Setup -> System -> GPS -> Demo Mode.
4. On the GPS unit, place yourself on a spot within the map area used. Oregon 450: open the Satellite Page (touch the crossed out signal strength indicator) -> touch the lower right hand corner of the screen (no button visible!) -> zoom out (if necessary) -> scroll to a location within the map area used -> select Use -> click the red cross on the Satellite Page.
5. On the GPS unit, call up the list of trails. Oregon 450: select Where to? -> Trails. A list will open up with named trails in the vicinity of the middle of the map.
With special thanks to member Mapperoni for his valued help in finding the above solution.