Samsung SGH-ZX20ZKACIN - Manual (Page 17)

Section 2: Understanding Your Phone 17
5. MicroSD card slot: Allows you to insert a specialized memory card made
especially for mobile phones.
6. Profile key: Press and hold to view profiles. Use the Volume key on the left
side of the phone to highlight your selection.
Display Layout
The display area has 3 areas. They are:
Icons
Shows the received signal strength. The greater the number of
bars, the stronger the signal.
Appears when you are in an area of the network that supports
3G/UMTS.
Appears when you are connected to the 3G/UMTS network.
Appears when you are in an area of the network that supports
GPRS.
Appears when you are connected to the GPRS network.
Appears when a new text message has been received.
Appears when a new voice mail has been received.