Oscilloscope buyers know how difficult triggering is often. Using the Erroneous settings can result in unstable waveform captures, and in some cases, even the wrong measurement data. Bên c?nh ?ó, m?t s? gi?i ??u có s? tham gia c?a ??i tuy?n Vi?t Nam c?ng nh?n ???c nhi?u s? qua