I just need to learn how to plan routes on PC
You can teach yourself with ITN Converter
Go to
Benichou Software have a read and scroll down to 'ITN Converter is free, try it now !!' Click the link its free to download and free to use forever, have a play.
I found the programme mostly intuitive but some notes may explain the few quirks
To open a fresh map click the programme icon then click the 'editor' button. To open a saved route click the programme icon then the 'open' button to select a saved route. It helps here if you save all your routes and POI's to the same location, I created a folder called 'itinerarys' in the Windows MyDocuments folder and save most of my routes there..
Select your preferred map in the top right corner (Map openstreetmap is my preference for its detail)
By default ITN Converter names every route as 'Itinerary' change this in the editor window, just below the search results box, before exporting (saving) because this is the name your SatNav will use.
Before saving a route zoom right in to check the individual location points are in the right place, left click on the location and click 'zoom in' then click the zoom+ twice top left of map for full zoom, in cities this sometimes shows house numbers.
To save a route close the programme and hit the export button. Select 'GPS eXchange (*.gpx)' as the export file format to save the route as a TomTom file or select 'TomTom POI (*.ov2')' to save the route locations as a TomTom POI (there are other options for Garmin files etc)
Enjoy