Babel Buster X2 User Manual page 13

You may click on the NV index, which is a link, to look at the details of any NV on the list
above. Clicking on the instance of "31" in front of "nvoChillerStat.Limited" brings us to the
page shown below. The Group check box means this entry in the list is a member of a
structure that must be read along with its other members.