Troubleshooting52TroubleshootingProblems and SolutionsIf any trouble occurs, first check the followingtable for possible problems.NOTE• Some functions of this unit may be disabled bysome settings made on this unit.• What might seem to be a malfunction in yourunit may just be the result of slight misoperationor miswiring.Ñ About settings• Cannot set up the subwoofer.• Cannot set up subwoofer phase.• No output from the subwoofer.• Cannot set up the low pass filter.• Cannot set up the high pass filter.Subwoofer is not set to on.h Set the subwoofer to on. See Speaker/ X’oversetup (P.41).Ñ About audio operationsRadio reception is poor.The car antenna is not extended.h Pull out the antenna all the way.The antenna control wire is not connected.h Connect the wire correctly. See Connecting wiresto terminals (P.50).Cannot select a folder.The random play function is enabled.h Turn off the random function.The sound skips when an audio file is beingplayed.The recording condition is bad.h Record the file again or use another USB memory.Ñ OtherThe Touch Sensor Tone doesn’t sound.The preout jack is being used.h The Touch Sensor Tone cannot be output from thepreout jack.Error MessagesWhen you fail to operate the unit correctly, thecause of the failure appears as the message onthe screen.No Device (USB device)The USB device is selected as a source although noUSB device is connected.h Change the source to any source other than USB/iPod. Connect a USB device, and change the sourceto USB again.Disconnected (iPod, Bluetooth audio player)The iPod/Bluetooth audio player is selected as asource although no iPod/Bluetooth audio player isconnected.h Change the source to any source other than iPod/Bluetooth. Connect an iPod/Bluetooth audioplayer, and change the source to iPod/Bluetoothagain.No Media fileThe connected USB device contains no playable audiofile. Media was played that doesn’t have data recordedthat the unit can play.h See Playable Media and Files (P.53) and tryanother USB device.