Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,模拟双踪示波器,(P27),V252,型双踪示波器,双踪示波器，是实验室常用仪器中构造较为复杂的仪器。
下面以对示波器的实际调节来熟悉示波器的基本用法模拟双踪示波器,扫描基线的调节,1.,接通电源，让仪器预热几分钟,2.,屏幕上显示出一条扫描时基线,3.,调整“聚焦”、“亮度”旋钮，使线条清晰若开机后，屏幕上有扫描基线出现，可进行如下调整模拟双踪示波器,扫描基线的调节,若开机后，屏幕上没有任何显示，可进行如下调整,:,1.,将触发方式选择开关置,AUTO,3.,将亮度旋钮置最大位置,2.,将触发源选择开关置内,4.,调节水平和垂直位移旋钮，使扫描时基线基居中,模拟双踪示波器,调节稳定的波形,以,CH1,通道输入校准信号为例,:,选择要与信号的输入通道位置一致,校准信号,1.,被测信号从,CH1,通道输入；,2.,工作方式选择开关置,CH1,；,3.,内触发选择开关置,CH1,；,5.,触发源置内；,4.,输入耦合开关置,AC,或,DC,；,7.,调周期、幅度选择开关置合适位置；,8.,调,电平控制开关,使波形稳定6.,将触发方式选择开关置,AUTO,交流电压峰峰值、周期的测量,峰峰值的测量,:,1.,将示波器输入耦合选择开关置“,AC”,；,2.,把“幅度微调”旋钮关掉，右旋到底；,3.,被测信号的峰峰值,=,波形正峰到负峰的垂直距离,H,（格）乘以“,VDIV”,所示值。
周期的测量,:,把“周期微调”旋钮关掉，右旋到底,被测信号的周期,=,波形一个周期的水平距离,A,（格）乘以“,TDIV”,所示值,H(,格,),A(,格,),输入耦合开关置,AC,或,DC,时的波形,1.,将,CH1,通道的输入耦合选择开关置于“,GND”,位置，使荧光屏上显示一条扫描基线调节垂直位移旋钮，使扫描基线处于某一合适的水平坐标上作为基准位置，,定义此时的电压值为,0V,测试时不能再移动垂直位移旋钮,3.,将输入耦合选择开关置于“,DC”,位置，水平基线将会产生偏移0V,DC,AC,。