Radio Shack DX-398 Owner's Manual

43TROUBLESHOOTINGWe do not expect you to have any problems with your receiver, but if you have aproblem, the information in this chart might help. If the problem persists, take thereceiver to your local RadioShack store for assistance.SYMPTOM POSSIBLE CAUSE SUGGESTIONWeak or intermittentsound.The internal batteriesare weak.Check the batteries andreplace or rechargethem as necessary.The antenna must beadjusted.Adjust the telescopingantenna or connect anexternal antenna.The signal is blocked bymetal or concrete.Move the receiver near awindow when you use itinside a vehicle or metal-frame building.The frequency is nottuned properly.Fine-tune the frequen-cy. See “Tuning Sta-tions” on Page 18.Scanning stops on a fre-quency that has an un-clear transmission.The frequency is nottuned properly.Fine-tune the frequen-cy. See “Tuning Sta-tions” on Page 18.The frequency is one ofthe receiver’s birdie fre-quencies.Tune another frequency.Frequency does notchange when you turnROTARY TUNING.FAST/SLOW/STOP is setto STOP.Set FAST/SLOW/STOP toFAST or SLOW.ROTARY TUNING andfront panel buttons donot respond.The keypad is locked( appears on thedisplay).Press .M