What occurs when automatic sensitivity is overridden during a GPS approach?

When automatic sensitivity is overridden during a GPS approach, it cancels the approach mode annunciation. This means that the system, which normally transitions to a more sensitive guidance mode as the aircraft approaches the runway, will no longer provide that enhanced guidance. The purpose of automatic sensitivity is to offer increased precision as the aircraft gets closer to the approach phase. By overriding this, the pilot essentially negates the alerts and indications that would normally show the system is actively guiding the aircraft through its final descent and alignment with the runway. This can lead to less precise navigation and may hinder the execution of the approach, as the pilot would no longer receive the optimized signals that aid in successfully landing the aircraft in the intended manner.

Contextually, while other options may reflect various operational scenarios, they do not correctly address the effect of overriding automatic sensitivity in regard to approach mode functionality.