Samsung PCS User Manual page 28

Icons on the Phone LCD
There is also a LCD display located on the top of the phone. It
is a small LCD panel that displays:
Caller ID
Time & Date
Signal Strength
Battery Level
Call in Progress
Roaming
Sprint PCS Wireless Web Message, Page, or
Voicemail Alert
Web Alert
Vibrate Mode
Getting to Know Your Sprint PCS Phone 25