Ad units can inherit some settings from their parent ad unit or network defaults:
In an ad unit's settings, a icon indicates that the value for the setting has inherited the parent settings, or is aligned with the parent or network default. An orange icon
indicates that the value has been overridden and is no longer aligned with the parent or the network default.
A Clear overrideoption appears next to settings that have been overridden. This option won'tappear if the setting is not overridden.
To revert a settings to the inherited value, click Clear overrideoption. Whenever a setting is aligned with the parent or the network default, the "Override" icon is grey.
Top-level versus child ad units and overrides
Only top-level ad units inherit settings from your network defaults. Child ad units inherit their settings from parent ad units.
Top-level ad units are considered overridden when they vary from the network defaults. Child ad unit settings are notconsidered overridden if they vary from network defaults.
Child ad units inherit the setting of their parent, and these settings are considered overridden only if they vary from their parent settings. If the child ad unit's setting is aligned with its parent, no overrideis indicated—the "Override" icon is grey. If the setting varies from its parent, the "Override" icon is orange.
