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Phone Basics
2A. Phone Basics 37
Entering Characters
Entering Uppercase and Lowercase Letters
1. Press to make the next character uppercase.
Characters revert back to lowercase after the next
character is typed.
Ⅲ Pressing cycles through the input modes
(Upper/Lower/Mixed).
2. Press the corresponding text keys.
Ⅲ For example, to enter the word “Bill,” type the
keypad sequence below. If you make a mistake,
press to erase a single character.
Ⅲ Press and hold to erase all previously
entered text.
Ⅲ To enter all uppercase characters, press
before each letter.
Entering Numbers
The keyboard can be used to enter numbers, letters,
and symbols. Although these keys default to text
(letters), numbers can be input by using in
conjunction with the correct number key.
1. Press to input the character on the top row of
the next key pressed.
2. Press the corresponding keys. (For example, to
enter “9:30,” you would use the keyboard
sequence shown below. If you make a mistake,
B i l l
B I L L
Sprint M550.book Page 37 Monday, April 13, 2009 1:03 PM