On 08/09/10 00:27, Ivor The Engine wrote:

Thanks (all who responded. I think I understand, though probably will
never need to know as I'm unlikely to ever get a Travelcard!).

If you never load a Travelcard onto your Oyster card you can indeed
ignore the whole issue.

Indeed, I had ignored the whole issue for exactly that reason; but now
that I'm intending to move to London I'm expecting it's highly likely I
*will* be loading a Travelcard onto my Oyster...

-roy