26 CQ-FX421/FX321N21ENGLISHSpeaker ConnectionsCaution: Please follow the instructions given below. Failure to do so will cause damage to the unit and speakers.FuseUse fuses of the same specified rating (15 A). Using different substitutes or fuses with higher ratings, or connecting the unitdirectly without a fuse, could cause fire or damage to the unit.If the fuse replacement fails, contact your nearest authorized Panasonic Service Center.MaintenanceYour product is designed and manufactured to ensure the minimum of maintenance. Use a soft cloth for routine exteriorcleaning. Never use benzine, thinner, or other solvents.LR--- -------++++++++ ++-+-+-+ -+-+-+ -+-+LRLRLR(White)(Whitew/black stripe)Chassis(Grayw/black stripe)(Gray)Chassis¡Use ungrounded speaker only.¡The maximum speaker output should be 45 W or more. (If used withthe optional power amplifier, the speaker output should be higher thanthe maximum amplifier output.)¡The speaker impedance should be 4 - 8 Ω.¡This unit uses the BTCL circuit, so each speaker should be connectedseparately using parallel vinyl insulated cords.¡The speaker cords and the power amplifier unit should be kept away(about 30 cm apart) from the antenna and antenna extension cord.¡Never connect the speaker cord tothe body of the car.¡Do not use a 3-wire type speakersystem having a common earthlead.¡Do not connect more than onespeaker to one set of speakerleads.