Oscilloscope buyers understand how difficult triggering is usually. Using the Mistaken options may result in unstable waveform captures, and from time to time, even the wrong measurement facts. 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.Ph?n l?n