Samsung SGH-T139 User Manual page 16

Shows the level of your battery. The more
bars you see, the more power you have
remaining.
Displays when a new text message was
received.
Displays when a new voice mail was
received.
Displays when a new picture message was
received.
Displays when you are out of your service
area.
Displays when a call is in progress.
Displays when the Call Forwarding feature is
active. For more details, see "Call
forwarding" on page 58.
Displays when the Incoming call sounds are
set to vibration.
Displays when the Incoming call sounds are
set to Melody and vibration.
Displays when the Incoming call sounds are
set to Vibration then melody.
12
Displays when the Incoming call sounds are
set to Melody then vibration.
Displays when Silent Mode is active.
Displays when Bluetooth wireless technology
is active.
Backlight
A backlight illuminates the internal display and the keypad. When
you press any key, the backlight comes on. It goes off when no
keys are pressed within a given period of time, depending on the
setting within the
Backlight
minute to conserve battery power.
The On setting is how long the keypad backlight is on. The Dim
option is how much longer after the keypad backlight goes off
that the display remains lit.
To specify the length of time the backlight is active, access the
menu:
Backlight
From Idle mode, press the Menu
1.
settings option and press the Select soft key or
2. Select Backlight
key or .
menu. The display turns off after one
Settings
Duration and press the Select soft
Display
.