Learning to Use Your Phone - 27
3. Data Transmission Indicator
Shows connection and data transmission status. Indicators can 
include:
4. Roam Indicator
Shows when your phone is seeking or using another 
network outside your home network. Indicators can 
include:
5. Active Line Indicator
Shows 
@
 or 
B
 to indicate the current active phone line. 
Other indicators can include:
4
= secure packet data 
transfer
7
= insecure packet data 
transfer
3
= secure application 
connection
6
= insecure application 
connection
2
= secure Circuit Switch 
Data (CSD) call
5
= insecure CSD call
à
= Bluetooth
®
 connection
8
= 2.5G home
9
= 2.5G roam
:
= 2G home
;
= 2G roam
A
= line 1 active, call divert on
C
= line 2 active, call divert on
E
= alarm activated