Command system EN SOURce :FREQuency:CENTer? [MINimum|MAXimum] Function description Set the center frequency of the sweep. Argument Instructions None Return format Return the center frequency value +1.000000000000000E+03 as a scientific count. For example, SOURce1:FREQuency:CENTer 1000 /* Set the center frequency of channel 1 to 1 KHZ */ 3.25.8 SOURce :FREQuency:SPAN Command format SOURce :FREQuency:SPAN |MINimum|MAXimum SOURce :FREQuency:SPAN? [MINimum|MAXimum] Function description Set the frequency span of the sweep.
Argument Instructions In the frequency sweep mode, the start frequency, stop frequency, center frequency and frequency span are correlated with each other, which satisfies the following relationship: Center frequency = ( | start frequency + stop frequency |) /2 Copyright © Qingdao Hantek Electronics Co., LTD HDG300C Programming manual 63 Name Range Default value Different sweep waveforms correspond to different 550Hz center frequency ranges, please refer to the relevant content of user manual for details. Name Range Default value Different frequency sweep waveforms correspond to 900Hz different frequency span ranges, please refer to the relevant content of the user manual for details.