Question 989Navigation General70% to pass
The radar control that shortens all echoes on the display and reduces clutter caused by rain or snow is the .
AI Explanation
The correct answer is B) fast time constant (differentiator).
The fast time constant, or differentiator, is the radar control that shortens all echoes on the display and reduces clutter caused by rain or snow. This control effectively eliminates the longer-lasting echoes from precipitation, which helps to improve target detection and identification on the radar display.
The other options are incorrect because:
A) The sensitivity time control (sea clutter control) is used to reduce clutter from the sea surface, not precipitation.
C) The brilliance control adjusts the overall brightness of the radar display, not the echo lengths or clutter reduction.
D) The receiver gain control adjusts the overall sensitivity of the radar receiver, not the specific processing of echoes.
Related Questions
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