Many of us type with our fists, so if you just happened to bump the Cap-Lock key, please turn it off. You may or may not know that it indicates you are VERY SERIOUS, but is not necessary unless you are in 911 mode.
What kind of shape are the grates in? I have a 400 and a 460 and absolutely luv the damned things. It is a very well made unit for a non air-tight, durable and attractive considering some of the old 'bones' out there for sale.