Motorola A630....can I "lock" exterior keypad?

I don't have the owners manual so I don't know if it is possible to lock the exterior keypad when the phone is closed and "in my pocket". Keys are accidentally being pressed while the phone is in my pocket and I'm walking, sitting, etc.

Or is there anyplace I can download an electronic version of the owners manual for the A630?

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Here is a link to the online manual.

http://www.motorola.com/mdirect/manu...0_9476A59O.pdf

It is simple to do, just press the down arrow and then press the *