OK, this is down right ridiculous. If you can't make this type of adjustment to the device, then it lacks serious value to me.
I have finally gotten fed up with this, and no one seems to know the answer. I called Tom Tom today, and went up through the levels of support to the Specialist Support area.
According to "Ashley" at Tom Tom, (after 45 minutes in discussions), there is:
NO WAY TO ALTER THE EXISTING .BMP's FOR THE DEFAULT CATAGORIES,
nor CAN YOU ALTER THE BMP FOR AN EXISTING POI THAT IS ALREADY PART OF THE TOM TOM DATABASE.
Further,
IF YOU MOVE AN EXISTING "BRANDED" POI THAT WAS ALREADY PART OF THE TOM TOM DATABASE, IT WILL LOOSE IT'S "BRANDED" .BMP ICON, AND IT CANNOT BE CORRECTED.
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Folks, is it me, or are these failuires in design? I mean honestly, I am seriously thinking about marching my 920T right back to the store. These are HUGE limitations.
Another thing, if you try to manage POI's, and then ADD POI, it lists the catagories, but only so many of them. It is limited. Like on mine, If I wanted to add a Restaurant, I cannot, because the Restaurant catagory doesn't show up. I know I could add it on it's own, but whats the point! I want it in the restaurant catagory. Ashley acknowledged this bug, too, and said they were working on it. WHATEVER!
These limits to the device and it's software are a deal breaker.
Anyone serious about a GPS should avoid the 920 IMHO.