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目前 ,有线电视机房普遍使用由多台 14英寸 (约合 36ｃｍ)电视机组成的电视节目监视屏 ,存在以下缺点 :①占用空间大 ,因距离播控桌远 ,容易造成值班员视力疲劳 ;对于直接利用监视屏上的电视机进行重要节目切换时 ,显得非常吃力。②耗电大 ,一台 36ｃｍ电视机的耗电约 70Ｗ ,一
At present, the cable television room generally uses a television program monitoring screen composed of multiple 14-inch (about 36 cm) television sets, which have the following disadvantages: ① large space occupying a large distance from the broadcasting control table and easily causing eye fatigue of attendants; Directly use the monitor on the TV for important program switch, it is very difficult. ② large power consumption, a 36cm TV’s power consumption of about 70W, one