四线触摸显现屏包罗两个阻性层。此中一层在屏幕的摆布边缘各有一条垂直总线，另外一层在屏幕的底部和顶部各有一条程度总线，见图4。为了在X轴标的目的停止丈量，将左边总线偏置为0V，右边总线偏置为VREF。将顶部🌠或底部总线毗连到ADC，当顶层和底层相打仗时便可作一次丈量。

　　要在(zai)Y轴标签为(wei)的(de)(de)(de)(de)暂停(ting)侧(ce)量，将(jiang)(jiang)上方数(shu)(shu)(shu)(shu)(shu)(🌄shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)传输(shu)线偏置为(wei)VREF，边侧(ce)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)传输(shu)线偏置为(wei)0V。将(jiang)(jiang)ADC输(shu)送(song)电(dian)压(ya)额定电(dian)压(ya)端接(jie)(jie)右上方数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)传输(shu)线或右方数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)传输(shu)线，当上层与框架相发动战争时(shi)便可对(dui)额定电(dian)压(ya)暂停(ting)侧(ce)量。图5消失(shi)了四(si)线摸消失(shi)屏(ping)在(zai)2层相发动战争时(shi)的(de)(de)(de)(de)还(hai)简化模(mo)板。对(dui)四(si)线摸消失(shi)屏(ping)，最壮志的(de)(de)(de)(de)毗连形(xing)式是(shi)将(jiang)(jiang)偏置为(wei)VREF的(de)(de)(de)(de)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)传输(shu)线接(jie)(jie)ADC的(de)(de)(de)(de)正(zheng)分(fen)类输(shu)送(song)电(dian)压(ya)额定电(dian)压(ya)端，并将(jiang)(jiang)如(ru)何设置为(wei)0V的(de)(de)(de)(de)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)数(shu)(shu)(shu)(shu)(shu)(shu)据(ju)(ju)(ju)(ju)(ju)传输(shu)线接(jie)(jie)ADC的(de)(de)(de)(de)负分(fen)类输(shu)送(song)电(dian)压(ya)额定电(dian)压(ya)端。