Yù / dào / jǐn / jí / qíng / kuàng / shí / gōng / zuò / rén / yuán / kě / yǐ / qiē / huàn / dào / shǒu / kòng / mó / shì遇到紧急情况时,工作人员可以切换到手控模式。In an emergency, staff can switch to manual control mode.