The manual introduces the CS-4125 analog dual‑channel oscilloscope, describing its front‑panel layout, power switch, and basic operation. It details the function of each control, including vertical and horizontal adjustments, and explains how to connect probes and other input devices.
It also covers calibration procedures, the available trigger modes (AUTO, NORM, FREE RUN, CHOP), and probe attenuation settings, helping users configure the instrument for accurate measurements. This manual is written in Chinese.
Press the POWER button; the indicator lights when the unit is on.
Rotate the VARIABLE knob to the CAL position to obtain calibrated values.