YJX_CL_Switch_3M_2Ch:开启search dongle，解决2.4G模式拔掉接收器之后，logo需要5s左右才灭掉的问题;

Review Request #4883 — Created Sept. 3, 2022 and updated Sept. 3, 2022, 6:54 p.m. — Latest diff uploaded Sept. 3, 2022, 6:53 p.m.