To change your sampling settings for a signal, click the signal name in Chart View to open the Signal settings. Click the … button to open the Sampling settings. You can use the sampling settings to change the rate or range, or to set filtering options, such as applying the mains filter. Note that you cannot change sampling settings while you are sampling.
To change the sampling settings for all signals, click the Sampling Settings button in the Chart View header. Here you can enable or disable multi-rate sampling, and change the rate and range for all signals.