RIGOL MSO/DS1000Z Series - Manual (Page 214)

RIGOL Chapter 13 Signal Source
13-18 MSO1000Z/DS1000Z User’s Guide
waveform and noise.
4. Set the Modulation Frequency
Press Frequency to set the frequency of the modulating waveform. The range
is from 1 Hz to 50 kHz.
5. Set the Modulation Deviation
Press Deviation to set the deviation of the frequency of the modulating
waveform relative to the carrier frequency. The range is from 0 Hz to the current
carrier frequency and the sum of the frequency deviation and carrier frequency
cannot be greater than the current carrier frequency upper limit. For the setting
method, please refer to the introduction in "Parameter Setting Method".