User Manual

8 Reference Waveform RIGOL
DS4000 User’s Guide
8-3
To Select REF Source
Press Current and use to select any reference channel (Ref1 to Ref10) that has
been turned on and then press Source to specify a reference source (CH1 to CH4,
MATH) for this channel.
To Save to Internal Memory
Press Save to save the waveform (screen region) in the specified source to internal
memory as reference waveform and display it on the screen. Note that this operation
only saves the reference waveform in the volatile memory and the waveform will be
cleared at power-off.
To Adjust REF Waveform Display
To adjust the reference waveform specified in Current:
Press REF to enable the REF function. Then, press and use to adjust the
vertical position of the reference waveform and press and use to adjust the
vertical scale of the reference waveform.
Press Reset and the reference waveform returns to the position where the source
channel waveform is located when the Save operation was executed.