RIGOL DG4000 Series - Manual (Page 131)

Chapter 5 Modulated Waveform Output RIGOL
DG4000 Series User’s Guide 5-31
To Set OSK Rate
When internal source is selected, press Rate to set the OSK rate.
 Use the numeric keyboard or direction keys and knob to input the desired
frequency value.
 The frequency range is from 2mHz to 1MHz and the default is 1kHz.
To Set Oscillate Period
Oscillate period is the oscillation period of internal crystal oscillator. Press
OscTime to highlight it and use the numeric keyboard or direction keys and knob
to input the desired period. The range is from 8ns to 499.750μs.