| 摘要 |
A workstation for a surveillance system comprising a display, a user input device (14) and acontrol unit in communication with the display and the user input device (14) The user input device (14) has a plurality of keys (32, 34, 36) and a light source to light the keys with a plurality of different colors The control unit generates an image on the display that has a plurality of differently colored icons with each of the icons symbolizing a function to be performed by the control unit The control unit generates a control signal to the user input device (14) causing the light source to light the plurality of keys (32, 34, 36) in the user input device (14) in colors to corresponding to the colors of the icons in the image on the display The control unit performs the control function corresponding to a particular icon from the plurality of differently colored icons when a user activates a key from the plurality keys (32, 34, 36) having the color that corresponds to the color of the particular icon. |
