On the third page of the Vault and the Black Hole, there are user
maskings.
An unlimited number of maskings can be stored in each project.
In the Pandora user, in the project CR masks, there are four factory
maskings.
These maskings can be used as is or dragged into the current project in
the Vault.

The masking is controlled by the nine bargraphs in the Masking -
CReality panel.
User must be turned on to enable the masking.
To save masking hit New in the Vault.
To recall masking click on the required mask in the Vault.