This is a feature from MVN 2020.2. 

It is a feature for users to select the update rate of MVN system to synchronize with 3rd party devices or analyze motion data.

In the system configuration window, a "Max Update Rate" box is available. Users can select the update rate from the drop down box.

The options of update rate are "240 Hz", "120 Hz", "80 Hz", "60 Hz" and "40 Hz".

There is a "Max" option, when selected the system automatically selects the maximum update rate based on the accepted system and suit configuration.