A: No. This algorithm applies only to automotive head units. Home electronics use different security systems.
Blaupunkt (now owned by different licensing groups) used a rather than a database. The serial number contains hidden variables (manufacturing plant, week code, encryption seed). The calculator reverses this algorithm.
A: No. The timer is hardware-based. You must leave the ignition in the ACC position (radio ON) for 60 real minutes. Disconnecting the battery resets the timer.