You can set option using the Options tab.
Always on Top
Displays the Smart P&ID Design Validation window always on top of the other open windows.
Select Linked Element
Highlights the correlated element on selecting the any design element. This option is selected by default.
Select Element in Viewer
Enables you to highlight the selected design element of the Design Hierarchy Explorer in the corresponding PID Viewer or ISO Viewer. This option is selected by default.
This option is not applicable for PDMS data.
Select Element in Explorer
Enables you to highlight the corresponding element in the Design Hierarchy Explorer when an element is selected in the PID Viewer or ISO Viewer. This option is selected by default.
Show Full Model in ISO Viewer
Enables you to display all pipeline systems or an entire ISO model in ISO Viewer. If you do not select this option, then only the selected pipeline system is displayed in ISO Viewer. This option is selected by default.