On Thu, 28 Aug 2003 11:55:08 -0400, Roland Perry
wrote:

In article , David Walters
writes
These are the LEDs that helpfully turn red at the moment when you put a
valid paper ticket in?

Yes. Swipe too quickly and the red one comes on.

But why have the LEDs come on *at all* when you use the paper ticket?

They go red to tell you that you can't use an oyster at the moment
because the gate is already in use.