However, the pilot can override the system and reject specific targets until he acquires the most desired one. Alternatively, the pilot can use a moveable cursor to designate the target manually. The Gun Director Mode is employed at ranges under five nautical miles. The radar provides target position, range and velocity data to drive the gun aiming point on the HUD. The pilot then positions the pipper on the selected target and squeezes the trigger.
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3.3.8 Real Beam Ground Mapping Mode
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There are several air-to-surface modes available. The Real Beam Ground Mapping Mode is used for identifying substantial geographical features ahead at long ranges. A small-scale radar map displays a representation of this terrain. The computer automatically adjusts the display so that it appears as a vertical "God's eye" view rather than the oblique view that the radar actually sees. There are more detailed mapping modes which employ Doppler beam sharpening for higher navigation and target location resolutions.
