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①人眼观看电视图面最适宜的角度,在垂直方向是13度,在水平方向是17度,观众与屏幕的合理距离应是荧光屏高度的4倍半左右.距离太近,时间长了眼睛容易疲劳;距离太远,图象看不清楚.②室内亮度要适宜,光线太强会冲淡图象的黑白层次,眼晴易疲劳.因此,白天看电视时应将对比度旋钮开大些,晚间看电视,最好配一只3～8瓦的小白炽灯,灯光不要直接照在屏幕上.③电视机安
① human eye to watch the most appropriate angle of the TV picture, the vertical direction is 13 degrees, the horizontal direction is 17 degrees, the audience and the screen should be a reasonable distance from the screen height of 4 times and a half or so. Easy to fatigue; distance is too far, the image can not see clearly .② indoor brightness should be appropriate, the light is too strong will dilute the image of the black and white levels, eyes easy to fatigue.Therefore, during the day should turn the contrast knob larger TV, Watch TV, preferably with a small incandescent lamp 3 ~ 8 watts, the light does not shine on the screen directly.