Oscilloscope people know how tricky triggering may be. Using the Mistaken options can result in unstable waveform captures, and often, even the wrong measurement details.Th? thao David Raya ti?c ch? c?n ???c… 2 qu? 11m Arsenal four-two Porto luân l?u David Raya tr? thành ng??i hùng ??a Arsenal vào t? k?t Cúp C1, khi c?n ???c two qu? ph?t ??n