E-18To replace a blown fuse:1. Press ends of the fuse holder together. Twist to open. Carefullyseparate the two pieces.2. Remove the fuse and inspect. If blown, replace with the sametype 6-amp fuse.Use only the fuse specified for your Bearcat 980 SSB. Failure to do so mayvoid your warranty.TROUBLESHOOTINGIn the event of system malfunction, perform the following procedures:Problem SuggestionUnit does not power up Check power cord connections.Check fuse.Check vehicle electrical system.No reception Check microphone connection.Set CB/PA to CB.Check VOLUME and SQUELCH.Check antenna.Check antenna connection.Adjust RF Gain.Poor Reception Check VOLUME and SQUELCH.Be sure antenna SWR is normal.Adjust RF Gain.No Transmission Set CB/PA switch to CB.Check microphone connection.Adjust MIC Gain.Low Transmission Adjust MIC Gain.Using MEM/SCAN does notaccess channels in memoryVerify that there are channels saved intomemory.Unit does not work as well aspreviously.Turn the power off then back on. The channelswill reset.Battery power check returnedFAILLO or FAILHI.Make sure your power wires have a goodconnection.Check your battery charge; it needs to be fullycharged. Lower voltage will cause a failure.Check your alternator.