While the vessel is docked the presentation of the pier is distorted near the center of the PPI with the pier appearing to bend in a concave fashion. This is a primary indication of what?

Question

Accepted Answer

The waveguide compensation delay line needs adjusting.

Answer

The deflection coils need adjusting.

Answer

The centering magnets at the CRT neck need adjusting.

Answer

The CRT filaments are weakening.

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