1 Calibration Procedures46 Keysight U1281A/U1282A Service GuideValid adjustment input valuesAdjustment can be accomplished using the following input values.Table 1-19 Adjustment input valuesTest function Step Reference value Valid reference inputAC V6.00 V3.00 V (55 Hz) 0.9 to 1.1 x Reference value3.00 V (1 kHz) 0.9 to 1.1 x Reference value0.30 V (55 Hz) Reference Value3.00 V (55 Hz) 0.9 to 1.1 x Reference value3.00 V (10 kHz) 0.9 to 1.1 x Reference value60.00 V3.00 V (55 Hz) Reference value30.00 V (55 Hz) 0.9 to 1.1 x Reference value30.00 V (1 kHz) 0.9 to 1.1 x Reference value30.00 V (10 kHz) 0.9 to 1.1 x Reference value600.00 V30.00 V (55 Hz) Reference value300.00 V (55 Hz) 0.9 to 1.1 x Reference value300.00 V (1 kHz) 0.9 to 1.1 x Reference value300.00 V (10 kHz) 0.9 to 1.1 x Reference value1000.00 V30.00 V (55 Hz) Reference value300.00 V (55 Hz) 0.9 to 1.1 x Reference value300.00 V (1 kHz) 0.9 to 1.1 x Reference value300.00 V (10 kHz) 0.9 to 1.1 x Reference valueVsense [a] Hi.10 V 10.00 V (55 Hz) High SenseLo.30 V 30.00 V (55 Hz) Low Sense