| 摘要 |
A display system is provided in which the data from a plurality of data channels is displayed on a cathode ray tube (CRT) display device. Automatic gain control is utilized to ensure that essentially the entire screen of the CRT display device is filled even if the number of data channels available to supply data to be displayed varies. Digital gain ranging circuitry is provided to ensure that the automatic gain control circuit is not overloaded by a large variation in the number of data channels available to supply data to be displayed. Circuitry is also provided to enable the highlighting of data from a particular data channel on the CRT display device to thereby provide easier viewing of the data, from that particular data channel, for an operator.
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