Samsung A640 Instruction Manual page 41

indicates that the message is a draft.
indicates that there is an unread Text VoiceSMS
message in your inbox.
indicates that the Text VoiceSMS message has been
read.
indicates that there is a new SMS Voice message in
your inbox.
indicates that you have listened to the SMS Voice
message.
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.
displays your current signal strength. The more
lines you have, the stronger your signal.
Section 2A: Your Phone: The Basics 19