Getting Started Connections Settings Playback Remote ControlMulti-zone Information Troubleshooting SpecificationsTroubleshootingSymptom Cause / Countermeasure PageWhen a USB memorydevice is connected,“USB” is notdisplayed on the GUImenu.The set cannot recognize a USB memory device. Check theconnection.A USB memory device not conforming to mass storage class orMTP standards is connected. Connect a USB memory deviceconforming to mass storage class or MTP standards.The set port and the connected port do not match. Connect to theport set at “USB Select”.A USB memory device that the set cannot recognize is connected.This is not a malfunction. DENON does not guarantee that allUSB memory devices will operate or receive power.USB memory device is connected via USB hub. Connect the USBmemory device directly to the USB port.•••••24–62––Files on a USBmemory devicecannot be played.USB memory device is in format other than FAT16 or FAT32.Set the format to FAT16 or FAT32. For details, refer to the USBmemory device’s operating instructions.USB memory device is divided into multiple partitions. Whendivided into multiple partitions, only files stored in the top partitioncan be played.Files are stored in a non-compatible format. Record the files in acompatible format.You are attempting to play a file that is copyright protected. Filesthat are copyright protected cannot be played on this set.••••––76, 7776, 77The file names arenot displayed properly(“...”, etc.).Characters that cannot be displayed are used. This is not amalfunction. On this set, characters that cannot be displayed arereplaced with a “ . (period)”.• –Internet radio cannotbe played.Ethernet cable is not properly connected or network isdisconnected. Check the connection status.Program is being broadcast in non-compatible format. OnlyInternet radio programs in MP3 and WMA can be played on thisset.The computer’s or router’s firewall is activated. Check thecomputer’s or router’s firewall settings.Radio station is not currently broadcasting. Choose a radio stationthat is currently broadcasting.IP address is wrong. Check the set’s IP address.•••••26, 2776, 77–78, 7951Files stored on acomputer cannot beplayed.Files are stored in a non-compatible format. Record in a compatibleformat.You are attempting to play a file that is copyright protected. Filesthat are copyright protected cannot be played on this set.Set and computer are connected by USB cable. The set’s USBport cannot be used for connection to a computer.•••76, 7776–GNET/USB / Rhapsody/ NapsterH Symptom Cause / Countermeasure PageServer is not found,or it is not possible toconnect to the server.The computer’s or router’s firewall is activated. Check thecomputer’s or router’s firewall settings.Computer’s power is not turned on. Turn on the power.Server is not running. Launch the server.Set’s IP address is wrong. Check the set’s IP address.••••–––51iPod cannot beplayed.Some iPods do not support being used connected directly to theUSB port.• 24Cannot connect topreset or favoriteradio stations.Radio station is not currently broadcasting. Wait a while beforetrying again.Radio station is not currently in service. It is not possible toconnect to radio stations that are no longer in service.••––For some radiostations, “ServerFull” or “ConnectionDown” is displayedand station cannot beconnected to.Station is congested or not currently broadcasting. Wait a whilebefore trying again.• –Sound is brokenduring playback.Network’s signal transfer speed is slow or communications linesor radio station is congested. This is not a malfunction. Whenplaying broadcast data with a high bit rate, the sound may bebroken, depending on the communications conditions.• –Sound quality is pooror played sound isnoisy.File being played has a low bit rate. This is not a malfunction.• –Cannot login toRhapsody. (“IncorrectUsername orPassword” isdisplayed.)Login information is incorrect. Check if the Username forRhapsody has been properly entered. Re-enter the Password.(Password is not displayed.)www.rhapsody.com/denon• 51Cannot compilePlaylist.The AVR-4810CI does not respond to playlist compilation. Whenthe playlist is compiled in PC Application, it is registered to “MyLibrary”. In this way, the playlist can be played in AVR-4810CI.• –Cannot deleteRhapsody Channelregistered in “MyChannels”.Cannot be done with AVR-4810CI. Delete from PC Application.• –Cannot delete Tracks,Playlists, Channelsregistered in “MyLibrary”.Cannot be done with AVR-4810CI. Delete from PC Application.• –Cannot login toNapster. (“IncorrectUsername orPassword” isdisplayed.)Login information is incorrect. Check if the Username for Napsterhas been properly entered. Re-enter the Password. (Password isnot displayed.)http://www.napster.com/choose/index_default.html• 55