For safety it's sometimes useful to lock everything to avoid any risk of errors when running a show with Smode.
The global lock button enables to lock all edition capabilities of the user interface. It affects the whole "lock"
column of the current document in the
The hierarchical view of documents in Smode
as well as the lock column in the
Where all of your content medias are
Note that locking content leads to a slightly more optimized version of the composition as explained in
Use optimisation tools to accelerate a composition
It is running fast? Could be faster.