Справочник Пользователя для Samsung SGH-t309

The display has 3 areas:

Shows the received signal strength. The greater the 
number of bars, the stronger the signal.

Appears when a new text message has been received.

Appears when a new voice mail has been received.

Appears when a new multimedia message has been 
received.

Appears when you set an alarm to ring at a specified 
time. For details, see page "Alarm" on page 121.

Appears when you are out of your service area.

Appears when a call is in progress.

Appears when the Call Forwarding feature is active. For 
details, see page "Call forwarding" on page 102.

Appears when Alert type is vibration or you set the phone 
to vibrate when you receive a call.