Samsung SPH-A500 - Manual (Page 20)

Section 2: Understanding Your Phone
2A: Your PCS Phone - The Basics 19
External LCD:
shows your current signal strength.The more lines you have, the
stronger your signal.
means your phone cannot find a signal.
tells you a call is in progress.
Time/Date is displayed.
shows your current battery charge strength. (Icon shown fully
discharged.) Icon is animated while charging.
indicates you have voicemail, text, numeric pages, or PCS Web
Alert messages waiting.
indicates that an alarm is set on your phone.
indicates that the ringer is set at a level between 1-8.
indicates your phone is in vibrate mode.
indicates that TTY option is On.
indicates that your phone is in security mode.