求救啊~~~各位大侠看看

on some occasions the remote being a considerable distance (150 meters) momentary output remained at high level to stop transmitting the remote and was returning to low to re-transmit. At other times I could see a rebound to stop transmitting low level crossing immediately return to??high level and instantly returned to low. Can you tell me that causes these situations should? 请问这个客户说的是什么问题？