... ·Threshold: TTL Level(Negative to enlight)·Cursor Read: V, V%, VdB, T, 1/T, DUTY, PHASE·OSD: V/DIV, Vertical Mode, Inverter, Alt/Chop, uncalibrate ... (SUB), ×10Mag, Probe(×1×10), X-Y, AT/D, TV-V/H·Wave form: rectange·Amplitude: 2Vp-p±2%·Freq.: 1KHz ...