The antenna does not synchronize scanning. The heading line is not stable. The echo position is changed accordingly.
天线与扫描不同步，船首线不定，物标位置也随之变化。
When a defect does not synchronize with a counterpart (assuming that the fixed delay time has passed), complete this procedure.
当一项缺陷不能与其他部分同步化时(假设固定的延迟时间已经通过了)，那么您可以完成以下的程序。
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