The horizontal control on an oscilloscope is called the time base.
The time base controls the rate at which the beam sweeps across the screen, determining the time scale of the displayed signal.
It is essential for viewing waveforms accurately, as it allows you to adjust the time interval represented by each horizontal division on the screen.
By adjusting the time base, you can:
* **Zoom in** to examine details of a waveform.
* **Zoom out** to view the overall shape of a signal.
* **Adjust the sweep speed** to match the frequency of the input signal.The time base is typically controlled by a knob or button on the oscilloscope, and its setting is usually displayed on the screen.
Common time base units include seconds per division (s/div), milliseconds per division (ms/div), and microseconds per division (µs/div).
