... LFFCousor measureManual, Track, AutoSample TypesReal Time, Equivalent TimeAverages4,16,32,64,128,256 Math+,-,*,InvertFFTWindow: Hanning,Hanmming,Blackman,RectangularSampling ... 5KSa/s~500Sa/s (in a 1-2-5 sequence)Display ModelMain, Window, Window Zoom, Roll, X-YMenu Display2Sec, ... 3hMemory depth of SDS1000DL is 32KptsUse Colored TFT LCD, the waveform display is clearer and stable.Screen saver function: ...