Marina Board Exam
If you turn on the fast time constant differentiator control of a radar it will:
A. suppress weak targets to a limited distance from the ship
B. reduce the beam width to provide a map-like presentation for navigation
C. reduce clutter for the entire PPI by shortening the echoes
D. enhance the weak target echoes and brighten them on the PPI
Answer: C. reduce clutter for the entire PPI by shortening the echoes
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