The iTech system integrates the normal functions of a gauge cluster with additional functionality, like navigationcommands, climate controls and audio functions.
Customization features include the "My Favorites" screen which can be designed with up to eight shortcuts for frequently- used audio, navigation and Bluetooth commands.
But he spent three years reverse engineering the flight navigation software that receives ACARS signals to find bugs that allowed him to send his own commands to the systems, either from a software-defined radio that can be tuned to use ACARS or from a compromised airline system.