Where is the X-axis fine-tuning knob when the oscilloscope is in use?

Analog means that the fine adjustment knob of the oscilloscope is in the middle of the coarse adjustment knob. The two adjustment knobs are coaxial, and the thin one in the middle is fine adjustment.

Most low-end digital oscilloscopes do not have the function of fine-tuning the time axis. The coarse adjustment and fine adjustment with this function are the same knob, and the buttons on the coarse adjustment knob are interchangeable.

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