Follow the steps below to edit a line group:
From the navigation tree, click Offline Configuration > Edit Offline Configuration. The Offline Configuration navigation tree opens.
When prompted to Duplicate Active Configuration, click Yes.
In the navigation tree, click Line Groups, select a line group to edit, and then click Edit.
The existing line group configuration parameters appear. Change the parameters as required.
Click Save. A confirmation message regarding the configuration changes appears. Click OK.
In the navigation tree, select Commit Changes and Exit. Confirm the Commit. Your changes are now saved to the duplicate (inactive) configuration. Configuration changes will not take effect until you have activated the inactive configuration.