XD-981MD (En)79 Preparation section Basic section Application section Knowledge sectionsIn case of difficultyIn case of difficultyOperation to resetThe microcomputer may fall into malfunction (impossibility tooperate, erroneous display, etc.) when the power cord is un-plugged while unit is ON or due to an external factor. In thiscase, execute the following procedure to reset the microcom-puter and return it to normal condition.Unplug the power cord from the power outlet then, while hold-ing the ENTER key depressed, plug the power cord again.÷ Please note that resetting the microcomputer clears the contentsstored in and it returns to condition when it left the factory.RemedyCauseSymptomAmplifier section/Speakers÷ Connect properly referring to “ System c on-nections”.÷ Adjust to an required volume.÷ Switch MUTE OFF.÷ Unplug the headphone plug.÷ Turn the unit OFF, remove the short-circuitand turn the unit ON again.÷ Insert correctly.÷ Connect properly referring to “System connection”.÷ Adjust the optimum left and right balance.Sound is not produced.“-- -- -- -- --” blinks and no sound is putout.No sound from the headphones.Sound is not produced from the left orright speakers.÷ The speaker cords are disconnected.÷ The volume control is set to the minimumposition.÷ The MUTE key of remote control unit isswitched ON.÷ The headphone plug is inserted into thejack.÷ The speaker cords are short-circuited.÷ Imperfect insertion.÷ The speaker cords are disconnected.÷ The BALANCE is set completely to the leftor right channel.6^&6ˆRemedyCauseSymptomTuner section÷ Adjust the present time again.÷ Adjust the present time again.÷ Adjust the present time referring to “Clockadjustment”.÷ Set the timer ON time and OFF time.÷ Press the O.T.E. key to set up the execution.÷ Connect antennas.÷ Select a band.÷ Tune to the frequency of the desired sta-tion.÷ Install the outdoor antenna in an apart posi-tion from the road.÷ Switch the suspected electric applianceOFF.÷ Install the TV or the system at an increaseddistance between them.÷ Preset stations with tunable frequencies.÷ Preset stations again.The clock display blinks without chang-ing the figures.Timer operation is not possible.Radio stations cannot be received.Noise interferes.A station has been preset but it cannotbe received by pressing the P.CALL key.÷ There was a power failure.÷ The power cord was unplugged from theoutlet.÷ The present time has not been adjusted orthere was a power failure.÷ The timer ON time and OFF time have notbeen set.÷ The timer execution was not set up.÷ The antennas have not been connected.÷ A proper broadcasting band has not beenselected.÷ The frequency of the station to be receivedis not tuned.÷ Car ignition noise.÷ Influence of an electric appliance.÷ A TV set is installed near the system.÷ The frequency of the preset station is nottunable.÷ The preset memory has been cleared be-cause the power cord has been unpluggedfor a long period.sg6•ªENTER030201What seems to be a malfunction is not always so. Before calling for service, check the following table according to thesymptom of your trouble.