The sampling of a group can be temporarily disabled in a totally independent way from the other configured groups by acting on the Enable checkbox displayed in the Group Data.

If the box is checked, group sampling is enabled. Otherwise, the group is temporarily out of scan.

The enabling / disabling status of each group is highlighted in the list of configured groups: a green LED next to the group name indicates that the group is enabled. Differently, the red LED indicates that group sampling is disabled.