... /diV sensitivity,Combining triggering-sync at different frequency,Sweep magnify 50MHz OscilloscopeDC-50MHz dual-trace/three lines6 inch CRT with inner graticule ... ×10cm8×10cm8×10cmFocusSelf-focusTraceHorizontalBrightnessAdjustableScale lightAdjustableVertical( Y )DCDC-20MHzDC-20MHzDC-20MHzDC-50MHz DC-50MHzDC-50MHzAC10Hz-20MHz10Hz-50MHzModeCH1 , CH2 , ALT , CHOP , ADD , MAGSensitivity1mV ...