Up to 50 scene sets can be created in the Gira X1.
Yes, scenes can be taught in by any user; this function must not be deactivated or password protected. As of (GPA 2.2; firmware 1.1516)
No, after a factory reset, the password on the device remains activated.
For end-customers, the device password should be in the documentation provided by the electrical engineering firm. If this is not the case, please contact your specialist installer as the device is built-in and therefore you cannot access it.