Use collective control to maintain constant altitude and speed away from the maneuver straight and level.
执行后退侧滚时,请控制主旋翼的螺距,以便维持固定的高度及速度.
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The control modes of the THJ series product can be full - time attendant or collective control.
THJ系列产品控制方式:可有专业司机,亦可集体控制.
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