... ,DC,GNDPolarity selection+or-(CH2 Only)Horizontal deflectionDisplay mode1,10,X-YTime base0.2µs/div to 0.2s/div,9 ... -V,TV-HAt least 1 div or 1Vp-pInput impedance1MΩX-Y operationX-Y phase difference≤3°C,DC-50kHzOthersCalibration waveformFrequency ...