... ,QTest frequency100Hz,120Hz,1kHz,10kHzTest level range0.1Vrms,0.3Vrms,1VrmsOutput impedance30 ohm ,100 ohm selectableBasic accuracy0.1%Test speed or timeFast ... .5 (time/s)Equivalent circuitSerial and parallelRange modeAuto,holdTrigger modeInternal,manual and externalCorrection functionOpen/short sweep correctionComparator functionNG, P1, P2, P3 ...