To protect against unauthorized use the software "VISOR" supplies with the USB key Visor-Key. Protected only communication server Visor_On, data viewer Visor can be used without restrictions.
The key contains a license for 1, 5, 10, 20 or 30 communication channels. In case of the demo version, the key contains a time-limited license, which can be then replaced by unlimited. License replacement procedure built into the application Visor_On. The license file can be received by e-mail. License information locates in the window "About" of Visor_On application.