Ok, thanks !gneill said:
The time base setting on a c.r.o (cathode ray oscilloscope) is a feature that controls the horizontal axis of the oscilloscope. It determines the time scale of the displayed waveform, which is essential for accurately measuring and analyzing electronic signals.
To adjust the time base setting on a c.r.o, you can use the time base control knob. This knob allows you to change the time scale of the displayed waveform, usually measured in seconds per division. By turning the knob, you can increase or decrease the time scale to get a better view of the waveform.
Changing the time base setting on a c.r.o allows you to view different portions of the waveform in more detail. By adjusting the time scale, you can zoom in or out on the waveform, making it easier to measure specific points, such as the frequency or amplitude of a signal.
Sweep time and time base setting are two different ways of controlling the time scale on a c.r.o. The time base setting determines the time scale of the horizontal axis, while the sweep time controls the speed at which the beam moves across the screen. In simpler terms, the time base setting is the "zoom" of the waveform, while the sweep time is the "scroll" speed.
The appropriate time base setting to use on a c.r.o depends on the frequency and amplitude of the signal you are measuring. If the signal has a higher frequency, you may need to decrease the time scale to see more detail. If the signal has a lower frequency, you may need to increase the time scale. Experimenting with different time base settings can help you find the best one for your specific signal.