Distance check for television signal receiver having an emergency alert function

摘要

A television signal receiver having an emergency alert function is capable of checking a distance between a reference point and a point associated with a geographical area selected by a user during a setup process for the emergency alert function. According to an exemplary embodiment, the television signal receiver includes a memory Operative to store data associated with the emergency alert function. A processor is operative to receive an input representing a geographical area, and to enable a predetermined output responsive to the input using the data in the memory when a distance between a reference point and a point associated with the geographical area exceeds a predetermined distance.