Samsung SPH-A640 User Manual page 34

indicates that there is an unread urgent URL message.
indicates that you have read the urgent URL message.
indicates that the message was sent.
indicates that the message failed to be sent.
indicates that you have a pending message.
indicates that the message is a draft.
indicates that there is an unread SMS text message in your
inbox.
indicates that the SMS text message has been read.
indicates that your message is locked.
indicates that your phone is in vibrate all mode.
indicates that the TTY option is on.
indicates that your phone has a ringer volume set and the
vibrate option is checked.
indicates that the ringer is set at a level
between 1 - 8 or that 1-Beep is selected.
indicates that your ringer is turned off and the vibrate option is
checked.
indicates that your phone's ringer is turned off and the vibrate
option is not checked.
indicates that an alarm is set on your phone.
tells you a call is in progress.
means your phone cannot find a signal.
16 Section 2A: Your Phone: The Basics