Gi? tr?c ti?p x? s? l??ng truy c?p trên h? th?ng Web sites Minh Ng?c r?t l?n nên các b?n c?n l?u ý m?t s? v?n ?? sau ?? ??m b?o nh?n ???c thông tin ?n ??nh nh?t:Oscilloscope users know how tough triggering is usually. Using the wrong options can cause unstable waveform captures, and often, even the incorrect measurement information.Basic princ