Asus P5B - Manual (Page 9)

ASUS TeleSky User Manual 
Warning Symbols Used in this
Manual
NOTE: Tips and information to aid in completing a task.
IMPORTANT: Instructions that you MUST follow to complete a task.
CAUTION: Information to prevent injury to yourself when trying to
complete a task.
WARNING: Information to prevent injury to yourself when trying to
complete a task.
NETWORK DEPENDENT/SUBSCRIBED
FEATURE: The phone feature is network dependent or subscribed.