manufacture of DSO dual channel small cabinet, easy to carry 4K channel memory ... +Width, -Width, +Duty, -Duty, Delay A, Delay BWaveform math'+,-, x, ÷, FFT, OppositionFFT Windows FunctionHanning, Hamming, Blackman, Rectangular 1024pointDigital FilteringHigh-pass, Low ... Delayed scan function High refresh rate will elaborate Math functions FFT display Video Trigger and delayed scan Pulse width trigger ...