Upon power-up, what controls are adjusted on an Inmarsat-C terminal?

Correct Answer: Option D — None of the above

Inmarsat-C terminals are fully automated systems that utilize omnidirectional antennas. They do not require manual adjustment of azimuth, elevation, or receiver gain. The terminal automatically acquires the NCS signal and maintains synchronization with the satellite, provided the antenna has a clear view of the sky and the system is powered.