If a radio, television, etc., is mistuned, it does not receive programmes clearly from a particularIf a radio, television, etc., is mistuned, it does not receive programmes clearly from a particular
给（收音机、电视等）调错频率（致使不能接收节目） The static from a mis-tuned radio has a fairly constant loudness. 调错了频率的收音机发出不变的静电噪声。
