Samsung SCH-U540MSAVZW - Manual (Page 15)

Understanding Your Phone 12
Understanding the Display Screen
Touch Keypad Lock
Press Lock/Unlock Key ( ) to the left of the
lock icon located on the left side of your phone to lock/
unlock the touch keypad(i.e.
Rewind, Play/
Pause, and Fast Forward) on the front of the
u540.
Note: The music touch keys are only functional when the backlight is on.
Understanding the Display Screen
The top line of your phone’s display contain icons that
indicate network status, battery power, signal strength,
connection type and more.
The light blue line of the main screen shows icons that
indicate feature and function status. The following list
contains icons that may appear in your display.
Display icons
EV signal strength: Appears when your phone is using the
EVDO protocol. Appears when your phone is on and indicates
the current signal strength. More bars indicate a stronger
signal.
1X signal strength: Indicates your phone is using the CDMA 1X
protocol. Appears when your phone is on and indicates the
current signal strength. More bars indicate a stronger signal.
EV1X signal strength: The EVDO/1X protocol is capable of
high-speed broadband data (3G). Appears when your phone is
on and indicates the current signal strength. More bars indicate
a stronger signal.