trong m?t kho?n th?i gian nh?t ??nh tr??c khi ?i?u ch?nh, t?t nh?t b?n nên dùng ph??ng pháp t? ??ng ho?c xây d?ng hàm ?? ki?m tra v?i d? li?u.Oscilloscope people know how complicated triggering is often. Using the Improper settings can cause unstable waveform captures, and from time to time the incorrect measurement knowledge. This instrumen