After clock configurations have been set up and clocks assigned to them, you can update the custom clock configurations for each group, as needed. Updating the specific custom clock configuration for each group follows the same process as updating the custom clock configurations for all of the clocks. In Site Setup > Clock Configuration, select your clock config group in the Clock Configuration Group drop-down list, and then select a device type to customize its configuration:
This process is described in detail in the next section.