Precautions while using Cathode Ray Oscilloscope
Another feature of most good scopes is Delayed Sweep. Delayed Sweep, allows the user that could be you, if you behave and eat your vegetables to trigger on an event and observe the signal after some predetermined time interval. For example: if you wanted to observe one single scan lineout of 525in a television signal, you would trigger off of the beginning of each television field time 16.67 msec but holdoff displaying that particular scan line HD 63.5 usec until the correct amount of time has passed. In essence the Delayed Sweep is just a fancy One Shot multivibrator with a ten turn pot, triggered from the scope s normal sweep circuit; and holds off the sweep across the screen until some time intervaldetermined by our old friends Ms.