In general, the oscilloscope functions to analyze the amount that varies with the time displayed on the screen, to see the shape of the signal being observed. With an oscilloscope, we can find out what frequency and voltage it gets from the signal. With a few adjustments, we can also find out between the input signal and the output signal. You can look here about the best automotive oscilloscopes. Oscilloscopes have many types and depending on which one you want to choose, of course, the price will also follow the quality of the tool.
The oscilloscope consists of two main parts, namely the display and the control panel. The display resembles the appearance of a television screen except that it is not colorful and functions as a place for the test signal to be displayed. On this screen, there will only be vertical and horizontal transverse lines that form boxes.