Phone Basics

2A. Phone Basics 11

22. Fn Key (Function) key, toggle to access the
numbers/symbols atop each key on the QWERTY
keyboard.
23. Shift Key lets you toggle alphabet characters
between mixed case, uppercase and lowercase.
Character case remains as selected until the Shift
key is pressed again.
24. Symbol Key lets you access symbol characters.
25. Space Key lets you add spaces between words and
characters.
26. Enter/OK Key lets you perform the function
highlighted in the current menu. Press to enter
additional lines of text.
27. End/Back Key deletes characters from the display in
text entry mode. When in a menu, pressing
returns you to the previous menu. This key also
allows you to return to the previous screen in a
data session.

Viewing the Display Screen

Your phone’s display screen provides information
about your phone’s status and options. This list
identifies the symbols you’ll see on your phone’s
display screen:
Tip To view a list of your phone’s icons and descriptions,
from the main menu select Settings > Phone Info >
Icon Glossary.
Note For information about using your phone’s main
screen carousel, see “2B. Navigating the Main
Screen” on page 40.
Status Bar – Service Icons
Signal Strength – Shows your current signal
strength. (More bars = stronger signal.)
No Service – Your phone cannot find a usable
signal.
Roaming – Your phone is “roaming” off the
Nationwide Sprint Network.
Sprint M550.book Page 11 Monday, April 13, 2009 1:03 PM