To lock a channel in the Channel Box
-click
the channel and select Lock Selected from
the menu that appears.
To lock a channel in the Channel Control menu
to change
its status to Locked.
The process of managing attributes in the Locked tab of the Channel Control window is the same as that used in the Keyable tab.
To unlock a channel in the Channel Box
-click
the channel and select Unlock Selected from
the menu that appears.
To unlock a channel in the Channel Control menu
to change
its status to Non Locked.