Instrument Configuration3Keysight U8903A User’s Guide81Input rangingThe default range setting is Auto, where the analyzer sets the optimum inputrange based on the input signal amplitude. The input range can also be setmanually, with the values given below.–400 mV–800 mV–1.6 V–3.2 V–6.4 V–12.8 V–25 V–50 V–100 V–140 V