ocr: Character Description Any digit. Any letter, either upper or lower case. - Any letter. Lower-case letters are converted to upper case. Any letter. Upper-case letters are converted to lower case. Any character. Any character, Letters are converted to opper case. Treat the next character as a literal, not a - mask character. Repeat count. *# means any number of numbers. *5# means five numbers. I] Anything in square brackets IS optional. il Group of alternatives. (Y,N,U) means the user must enter either Y,N,orU. Figure 1: The picture characters used with InfoPower.