Samsung SCH-U550ZNAVZW - Manual (Page 18)

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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.
D signal strength: Appears when your phone
is receiving digital data. Appears when your
phone is on and indicates the current signal
strength. More bars indicate a stronger
signal.
SSL: Indicates the secure socket layer is
active transmits your communications over
the internet in an encrypted format.
Voice Privacy: Prevents eavesdropping over a
CDMA traffic channel.
Hold - Keys Locked: Indicates that the
external music player keys are locked and
are not functional. Press and hold the HOLD
key to lock/unlock the external music player
keys.
No service: Your phone cannot find a signal
because you’re outside a service area. You
cannot make or receive calls. Wait for a
signal or move to an open area to find a
signal. This indicator always appears when
you first turn on your phone and disappears
once service is located.
Voice Call: Indicates a call in progress.
Data Call: Indicates a data call in progress.
Dormant: Indicates no incoming or outgoing
data.
E911: Indicates Global Positioning Service
(GPS) for 911 is set to On for emergency calls
only.
Location On: Global Positioning Service is set
to On for location and 911 calls.
Battery Level: More bars indicate a greater
charge. When the battery is low, an empty
battery icon flashes and the phone sounds
an alert, which indicates your phone is about
to shut down.
TTY: Indicates that TTY is enabled.