观察设备，面板指示灯，视频监视器和其他仪器来检测故障，并确保流程按照规范操作。
Observe equipment, panel indicators, video monitors, and other instruments to detect malfunctions and ensure that processes are operating according to specifications.
顶视图：激光笔指示灯位于遥控器顶端，使用时勿对人操作。
Top view: the laser pen indicator is located at the top of the remote controller. When using, do not point at human eyes.
推车和方向盘转向指示灯，操作便捷。
Convenient operation by indicator light for how to push car and turn the steering wheel.
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