| 摘要 |
A method and apparatus displays homeland security advisory system information. The apparatus includes a beacon having an illuminous display configured to illuminate a color, and a controller configured to cause the display to selectively illuminate a red, orange, yellow, blue and green color. The controller is configured to receive and respond to a signal to illuminate one of the colors. The method includes providing a security alert beacon, selecting a color for the security alert beacon to display, and manipulating the beacon to display the selected color. The color selected is green when the security alert level is in a first condition, blue when the security alert level in the second condition, yellow when the security alert level is in a third condition, orange when the security alert level is in a fourth condition, and red when the security alert level is in a fifth condition.
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