OWNER’S MANUAL Mini Hi-Fi System Please read this manual carefully before operating your set and retain it for future reference. MODEL CM5760 (CM5760, CMS5760F, CMS5760W) *MFL69440613* www.lg.com 2 Getting Started Safety Information 1 CAUTION Getting Started RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER (OR BACK) NO USER-SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. This lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product. WARNING: TO PREVENT FIRE OR ELECTRIC SHOCK HAZARD, DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE. WARNING: Do not install this equipment in a confined space such as a book case or similar unit. CAUTION: Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. Slots and openings in the cabinet are provided for ventilation and to ensure reliable operation of the product and to protect it from over heating. The openings shall be never be blocked by placing the product on a bed, sofa, rug or other similar surface. This product shall not be placed in a builtin installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer’s instruction has been adhered to. CAUTION: This product employs a Laser System. To ensure proper use of this product, please read this owner’s manual carefully and retain it for future reference. Shall the unit require maintenance, contact an authorized service center. Use of controls, adjustments or the performance of procedures other than those specified herein may result in hazardous radiation exposure. To prevent direct exposure to laser beam, do not try to open the enclosure. CAUTION concerning the Power cord Most appliances recommend they should be placed upon a dedicated circuit; That is, a single outlet circuit which powers only that appliance and has no additional outlets or branch circuits. Check the specification page of this owner’s manual to be certain. Do not overload wall outlets. Overloaded wall outlets, loose or damaged wall outlets, extension cords, frayed power cords, or damaged or cracked wire insulation are dangerous. Any of these conditions could result in electric shock or fire. Periodically examine the cord of your appliance, and if its appearance indicates damage or deterioration, unplug it, discontinue use of the appliance, and have the cord replaced with an exact replacement part by an authorized service center. Protect the power cord from physical or mechanical abuse, such as being twisted, kinked, pinched, closed in a door, or walked upon. Pay particular attention to plugs, wall outlets, and the point where the cord exits the appliance. The Power Plug is the disconnecting device. In case of an emergency, the Power Plug must remain readily accessible. Getting Started Safety way to remove the battery or the battery from the equipment: Remove the old battery or battery pack, follow the steps in reverse order than the assembly. To prevent contamination of the environment and bring on possible threat to human and animal health, the old battery or the battery put it in the appropriate container at designated collection points. Do not dispose of batteries or battery together with other waste. It is recommended that you use local, free reimbursement systems batteries and accumulators. The battery shall not be exposed to excessive heat such as sunshine, fire or the like. CAUTION: The apparatus should not be exposed to water (dripping or splashing) and no objects filled with liquids, such as vases, should be placed on the apparatus. CAUTION: Do not use high voltage products around this product. (ex. Electrical swatter) This product may malfunction due to electrical shock. CAUTION: No naked flame sources, such as lighted candles, should be placed on the apparatus. Symbols ~ Refers to alternating current(AC). 0 Refers to direct current(DC). 1 Refers to class II equipment. Getting Started This device is equipped with a portable battery or accumulator. 3 1 Refers to stand-by. ! Refers to “ON” (power). Refers to dangerous voltage. 4 Table of Contents Table of Contents 1 Getting Started 2 6 6 6 7 7 8 10 12 Safety Information Unique Features Playable file Requirement – Music file requirement – Compatible USB Devices – USB device requirement Remote control Front panel Rear Panel 2Connecting 13 13 13 13 14 14 14 15 15 15 Connecting to speakers – Attaching the speakers to the unit – Attaching the speaker light cables to the unit – Attaching the subwoofer to the unit Optional Equipment Connection – Antenna Connection – USB Connection – AUX IN Connection – PORT. IN Connection – Listening to the sound from your external device 3Operating 16 16 16 17 17 17 17 18 Basic Operations – CD/USB Operations – Auto Play Other Operations – Programmed Playback – Deleting Programmed list – Displaying file information (ID3 TAG) – Searching for a folder and an MP3/WMA file 18 – Deleting an MP3/WMA file 19 – Turn off the sound temporarily 19 – DEMO 19 – Using Microphone 20 – VOICE CANCELLER 20 – KEY CHANGER 20 – LIGHTING effect 21 – AUTO DJ playback 22 Using a BLUETOOTH® wireless technology 22 – Listening to music stored on the BLUETOOTH devices 24 Using the Music Flow Bluetooth App 24 – About “Music Flow Bluetooth” App 24 – Install “Music Flow Bluetooth” App onto Your Bluetooth Device 26 Radio Operations 26 – Listening to the radio 26 – Improving poor FM reception 26 – Presetting the Radio Stations 26 – Deleting all the saved stations 27 Sound adjustment 27 – Setting the surround mode 28 Advanced Operations 28 – Recording to USB 28 – To select recording bit rate and speed 29 – USB copying 30 Setting the Clock 30 – Setting the Clock through “Music Flow Bluetooth” App 30 – Using your player as an alarm clock 31 – Sleep Timer Setting 31 – Dimmer 31 – Auto power down 32 – AUTO POWER On 32 – Auto function change 33 LG Sound Sync Table of Contents 34 Wireless X-Boom Plus Connection 4Troubleshooting 35 5 Troubleshooting 1 5Appendix 36 General specifications 37 Speaker specifications 38Maintenance 38 – Handling the Unit 38 – Notes on Discs 38 Trademarks and Licenses 2 3 4 5 6 Getting Started Unique Features 1 Playable file Requirement BLUETOOTH® Getting Started Listens to music stored on your Bluetooth device. Music file requirement Portable In MP3/WMA file compatibility with this unit is limited as follows. Listens to music from your portable device. (MP3, Notebook, etc.) AUTO DJ Blends the end of one song into the beginning of another for seamless playback. yy Sampling frequency : within 32 to 48 kHz (MP3), within 32 to 48 kHz (WMA) yy Bit rate : within 32 to 320 kbps (MP3), 40 to 192 kbps (WMA) yy Maximum files : Data CD : 999 / USB : 2,000 yy Maximum folders : Data CD : 99 / USB : 200 USB Direct Recording yy File extensions : “.mp3”/“.wma” Records music to your USB device. yy Certain MP3/WMA files may not be played depending on the type or format of the file. Music Flow Bluetooth yy CD-ROM file format : ISO 9660/JOLIET Music Flow Bluetooth is an app designed to let you take control of some of LG’s latest Audio devices. Refer to page 24-25 LG Sound Sync Controls volume level of this unit by the remote control of your LG TV that is compatible with LG Sound Sync. yy We recommend that you use Easy-CD Creator, which creates an ISO 9660 file system. The DTS is not supported. In case of DTS audio format, audio is not output. You have to set the disc format option to [Mastered] in order to make the discs compatible with the LG players when formatting rewritable discs. When setting the option to Live File System, you cannot use it on LG players. (Mastered/Live File System : Disc format system for Windows Vista) Getting Started 7 Compatible USB Devices yy MP3 Player : Flash type MP3 player. yy USB Flash Drive : Devices that support USB2.0 or USB1.1. USB device requirement yy Devices which require additional program installation when you have connected it to a computer, are not supported. yy Do not extract the USB device while in operation. yy For a large capacity USB, it may take longer than a few minute to be searched. yy To prevent data loss, back up all data. yy If you use a USB extension cable or USB hub, the USB device is not recognized. yy Using NTFS file system is not supported. (Only FAT(16/32) file system is supported.) yy This unit recognizes up to 2,000 files. yy External HDD, Card readers, Locked devices, or hard type USB devices are not supported. yy USB port of the unit cannot be connected to PC. The unit cannot be used as a storage device. yy Some USB may not work with this unit. 1 Getting Started yy The USB function of this unit does not support all USB devices. 8 Getting Started Remote control • • • • • • • • • • • • • • a• • • • • • • • • • • • • • 1 (Standby) : Switches the unit ON or OFF. B (Open/Close) : Opens and closes the disc tray. VOL (Volume) +/- : Adjusts speaker volume. 1 Getting Started F (Function) : Selects the function and input source. (Mute) : Mutes the sound. PRESET·FOLDER W/S : -- Searches for a folder of MP3/WMA files. When a CD/USB containing MP3/WMA files in several folders is being played, press PRESET·FOLDER W/S to select the folder you want to play. -- Chooses a preset number for a radio station. PROGRAM/MEMORY : -- Stores radio stations. -- Deletes all the saved stations. -- Creates a programmed list you want to listen to. AUTO DJ : Selects the AUTO DJ mode. (For more information refer to page 21) DELETE : -- Deletes MP3/WMA files. (USB only) -- Deletes a song on the programmed list. Replacement of battery ) (R03 (R03) Remove the battery cover on the rear of the remote control, and insert the battery with 4 and 5 matched correctly. Getting Started 9 • • • • • • • • • • • • • • c• • • • • • • • • • • • • • REPEAT : Listens to your tracks/files repeatedly or randomly. 0 to 9 numerical buttons : Selects numbered tracks, files, or preset number. C/V (Skip/Search) : -- Skips fast backward or forward. -- Searches for a section within a track/file. CLOCK : Sets a clock and checks a time. TUNING -/+ : Selects the radio station. Z (Stop) : -- Stops playback or recording. -- Cancels DELETE function. d/M (Play/Pause) : -- Starts or pauses playback. -- Selects STEREO/MONO. ALARM : With the ALARM function you can turn CD, USB play and Tuner reception on at a desired time. • • • • • • • • • • • • • • d• • • • • • • • • • • • • • VOICE CANCELLER : You can enjoy the function while playing the music, by reducing singer vocal of music in the various source. SOUND EFFECT : Chooses sound impressions. SLEEP : Sets the system to turn off automatically at a specified time. (Dimmer : The display window will be darkened by half.) REGION EQ : Chooses region equalizer. SET : Confirms the clock and the alarm setting. INFO : -- Sees informations about your music. An MP3 file often come with ID3 tag. The tag gives the Title, Artist, Album or Time information. -- Sees the name of connected all Bluetooth device in Bluetooth mode. -- In status of Wireless X-Boom Plus Connection, device name of SLAVE unit appears in the MASTER unit and device name of MASTER unit appears in the SLAVE unit. KEY CHANGER ( / ) : Changes the key to suit your vocal range. USB REC : USB direct recording. ? : The button is not available for any function. 1 Getting Started • • • • • • • • • • • • • • b• • • • • • • • • • • • • • 10 Getting Started Front panel 1 Getting Started a b c i d j e k f l g m n h o p Getting Started 11 aDisplay window bKEY CHANGER ( / ) Changes the key to suit your vocal range. c1/! (Standby/On) Switches the unit ON or OFF. dI (Stop) Stops playback or recording. eAUTO DJ Selects the AUTO DJ mode. (For more information refer to page 21) fY (Skip/Search) -- Searches backward. -- Skips to the previous track/file. -- Selects the radio stations. gLIGHTING / MIC VOLUME -- Turns on/off the lighting effects. -- Press and hold to enter microphone adjustment mode. hUSB 1 / USB 2 Plays the audio files by connecting the USB device. USB REC / DEMO -- Records to USB. -- Shows demo mode. jz (Play/Pause) STEREO / MONO -- Starts or pauses playback. -- Selects Stereo/Mono. kREGION EQ / BASS BLAST -- Chooses region equalizer. -- Press and hold to select BASS effect directly. lU (Skip/Search) -- Searches forward. -- Skips to the next track/file. -- Selects the radio stations. m B (Open/Close) EJECT Opens or closes the disc tray. n MASTER VOLUME -- Adjusts volume of speaker. -- Adjusts volume of microphone. oDisc tray p PORT. (Portable) IN jack Connect a portable device. MIC. (Microphone) jack Connect a microphone. 1 Getting Started VOICE CANCELLER You can enjoy the function while playing the music, by reducing singer vocal of music in the various source. iF (Function) / WIRELESS BOOM -- Selects the function and input source. -- Press and hold for 3 seconds to select Wireless X-Boom Plus mode. 12 Getting Started Rear Panel 1 Getting Started c a d b e a SPEAKERS terminal/cord bSPEAKER LIGHTING SYSTEM (FRONT L/R) c Power cord d AUX IN (L/R) connectors e ANTENNA (FM) Connecting 13 Connecting to speakers Attaching the subwoofer to the unit Attaching the speakers to the unit Connect a woofer cord to the player. When connecting a woofer cord to the player, insert the connector until it clicks. To connect the cable to the unit, press each plastic finger pad to open the connection terminals on the unit. Insert the wire and release the finger pad. 2 Connecting Connect the black of each wire to the terminals marked - (minus) and the other end to the terminals marked + (plus). >>Caution yy Be careful to make sure children do not put their hands or any objects into the *speaker duct. * Speaker duct : A hole for plentiful bass sound on speaker cabinet (enclosure) Attaching the speaker light cables to the unit To connect the speaker light cable to the unit, insert the cable to SPEAKER LIGHTING SYSTEM connectors on the unit. yy The speakers contain magnet parts, so color irregularity may occur on the TV screen or PC monitor screen. Please use the speakers far away from either TV screen or PC monitor. yy Use the speaker supplied with this unit only. Using any other speaker may cause malfunction. yy Do not connect any other speaker except subwoofer speaker to the subwoofer connection terminal on the rear of the unit. 14 Connecting Optional Equipment Connection USB Connection Connect a USB device (or MP3 player, etc.) to the USB ports on the unit. Antenna Connection 2 Connect the supplied FM antenna for listening to the radio. Connecting Connect the antenna to the antenna port on the back of the unit. Be sure to extend the FM wire antenna fully. FM antenna ,,Note Removing the USB Device from the unit. 1. Choose a different function/mode or press Z on the remote control or I on the unit twice in a row. 2. Remove the USB device from the unit. Connecting 15 AUX IN Connection PORT. IN Connection Connect an output of auxiliary device (Camcorder, TV, Player, etc) to the AUX IN(L/R) connector. Connect an output (earphone or line out) of portable device (MP3 or PMP etc.) to the PORT. IN connector. If your device has only one output for audio(mono), connect it to the left (white) audio jack on the unit. 2 Connecting PORT.IN Red White To the audio output jacks of your component (Camcorder, TV, Player, etc.) Listening to the sound from your external device The unit can be used to play the sound from many types of external device. 1. Connect the external device to the AUX IN(L/R) or PORT. IN connector of the unit. 2. Turn the power on by pressing 1 on the remote control or 1/! on the unit. 3. Select the AUX or PORTABLE function by pressing F on the remote control or F / WIRELESS BOOM on the unit. 4. Turn on the external device and start playing it. ,,Note Automatically switches to the PORTABLE function when you connect the portable device to the PORT. IN connector. 16 Operating Basic Operations CD/USB Operations 1. Insert the disc by pressing B on the remote control or B EJECT on the unit Or connect the USB device to the USB port. 2. Select CD or USB function by pressing F on the remote control or F / WIRELESS BOOM on the unit. ,,Note yy The display changes in the following order. USB MP3/WMA CD AUDIO CD RPT 1 RPT 1 RPT 1 RPT*DIR RPT DIR - RPT ALL RPT ALL RPT ALL RANDOM RANDOM RANDOM OFF OFF OFF *DIR : Directory To 3 Operating Do this Press Z on the remote control or Stop I on the unit. Press d/M on the remote control or Playback z on the unit. During playback, press d/M on the Pause remote control or z on the unit. Searching Press and hold C/V on the for a section remote control or Y/U on the within unit during playback and release it at a track/file the point you want to listen to. Selecting Press 0 to 9 numerical buttons on a track/file the remote control to go to the directly desired file or track directly. -- In stop status, Press C/V on the remote control or Y/U on the unit to go to the next/previous track/file. -- During playback, Skipping to the next/ previous track/file press V on the remote control or U on the unit to go to the next track/file. Playing less than 2 seconds, press C on the remote control or Y on the unit to go to the previous track/file. Playing after 3 seconds, press C on the remote control or Y on the unit to go to the beginning of the track/file. Playing Press REPEAT on the remote repeatedly or control repeatedly. Refer to the note randomly for details about the display change. yy When you play Program list, only RPT 1 and RPT ALL are available. yy Even after restarting the unit or switching one function to another, you can listen to music from the point where it’s last been played. yy If you leave the disc tray open for 5 minutes, it will close automatically. Auto Play AUDIO/MP3/WMA CD is played automatically after disc tray is open and then closed. Automatically switches to the CD function if disc tray is open and then closed when there is no disc in tray. Operating 17 Other Operations Programmed Playback The program function enables you to store your favorite files from any disc or USB device. A program can contain 20 tracks/files for each media. Possible to save a total of 60 tracks/files. 1.Press PROGRAM/MEMORY on the remote control in stop status. 2.Press C/V on the remote control or Y/U on the unit to select a track/file. 3.Press PROGRAM/MEMORY on the remote control to save and select a next track/file. 5.Press PROGRAM/MEMORY on the remote control once again. To play the programmed list, press d/M on the remote control or z on the unit after you make the list. ,,Note When making or modifying the programmed list, REPEAT mode is off. Deleting function only works in the edit mode. 1.Press PROGRAM/MEMORY on the remote control in stop status. 2. Select a song by pressing PROGRAM/MEMORY or PRESET·FOLDER W/S on the remote control repeatedly. 3.Press DELETE on the remote control while a song is selected. ,,Note yy Programmed list is cleared in the case below. -- Removing the disc or the USB device. -- Deleting music files in the USB device. -- Unplugging the Power Cord. yy Program is switched off in the case below. -- Changing to a different function. -- Turning off and on the unit. -- Operating the numeric buttons on the remote control. Displaying file information (ID3 TAG) While playing an MP3 file containing file information, you can display the information by pressing INFO on the remote control. 3 Operating 4. Repeat steps 2 - 3 to store other tracks/files. (You can modify the list by pressing PRESET·FOLDER W/S on the remote control to select the program number.) Deleting Programmed list 18 Operating Searching for a folder and an MP3/WMA file 1.Press PRESET·FOLDER W/S on the remote control repeatedly until a desired file appears in the display window. 2.Press d/M on the remote control or z on the unit to play it. The first file of the folder will be played. ,,Note 3 You can delete file, folder or format by pressing DELETE on the remote control. This function is supported only in stop status. (USB only) 1. -Select the file you want to delete and press DELETE on the remote control. -Select the folder you want to delete by pressing PRESET·FOLDER W/Son the remote control and press DELETE on the remote control. -Press and hold DELETE on the remote control to format the USB device. yy USB/CD Folders/Files are recognized as below. ROOT Deleting an MP3/WMA file Or Press DELETE on the remote control repeatedly during selecting the MP3/WMA file. FOLDER FILE The display changes in the following order. FOLDER1 Operating FOLDER3 - DEL FILE : Deletes file - DEL DIR : Deletes folder - FORMAT : Formats USB FILE 5 FILE 6 FILE 7 FOLDER4 FOLDER7 FILE 3 FOLDER8 FILE 8 FILE 9 FILE 10 FILE 4 FILE 11 FILE 12 FOLDER6 If you want to exit the current mode, press Z on the remote control or I on the unit. >>Caution FOLDER2 FOLDER5 2. To delete file/folder or format, press d/M on the remote control or z on the unit. FILE 13 FILE 14 FILE 1 FILE 2 yy If there is no file in a folder, the folder will not appear. yy Folders will be presented as the following order; ROOT FOLDER 1 FOLDER 3 FOLDER 7 FOLDER 8 FOLDER 5 FOLDER 6 yy File will be played from $ file No.1 to $ file No.14 one by one. yy Files and folders will be presented in order recorded and may be presented differently according to the record circumstances. yy *ROOT : The first screen you can see when a computer recognize the USB/CD is “ROOT”. yy Do not extract the USB device during operation. (play, delete, etc.) yy Regular back up is recommended to prevent data loss. yy The delete function may not be supported according to the USB status. Operating 19 Turn off the sound temporarily Using Microphone Press 1. Connect your microphone to the MIC jack. on the remote control to mute your sound. You can mute your unit, for example, to answer the telephone, the “MUTE” will appear in the display window. To cancel it, press on the remote control again or change the volume level. DEMO In the power off state, press USB REC / DEMO on the unit once. The unit will power on and display each function in the display window. To cancel the DEMO function, press USB REC / DEMO on the unit once more. yy While in DEMO, this unit will keep DEMO status even if you unplug the power cord connection. yy You can enjoy other functions during the DEMO, the DEMO will temporarily pause. - Without input key in 10 sec, the DEMO will play back automatically. 3. Sing along with the accompaniment. To adjust the microphone volume, press and hold LIGHTING / MIC VOLUME on the unit and then rotate MASTER VOLUME on the unit. ,,Note yy When not using the microphone, set the MIC VOL to minimum or turn off the MIC and remove the microphone from the MIC jack. yy If the microphone is set too near the speaker, a howling sound may be produced. In this case, move the microphone away from the speaker or decrease the sound level. yy If sound through the microphone is extremely loud, it may be distorted. In this case, press and hold LIGHTING / MIC VOLUME on the unit and then rotate MASTER VOLUME on the unit to minimum. yy If your microphone’s sound feels not loud though MIC VOL is max, you can adjust only audio source volume lower. -- Follow below step. 1. Press and hold VOICE CANCELLER on the unit. 2. Reduce Audio Source Volume by rotating MASTER VOLUME counter-clockwise on the unit. To initialize it, power off. 3 Operating ,,Note 2. Play the music you want. 20 Operating VOICE CANCELLER KEY CHANGER You can enjoy the function while playing the music, by reducing singer vocal of music in the various source. You can adjust the key to 9 steps. (4 steps higher, 4 steps lower and the original key.) Press VOICE CANCELLER and “ON” will appear in display window. To cancel it, press VOICE CANCELLER again. The quality of the VOICE CANCELLER may be different depending on the recording conditions of music files. ,,Note yy This function is available CD, USB or BT (Bluetooth) function. 3 Operating yy If the function is not available, “NOT SUPPORT” appears in the display window. yy This function is available to use only when a microphone is connected. yy If a microphone is not connected, “NOT SUPPORT” appears in the display window. yy It is not available on the MONO source. yy To initialize it, change the function or disconnect the microphone. yy This function may not be initialized depending on the status of connected devices. To sharp the key one by one, press the KEY CHANGER ( ) repeatedly during playback. To flatten the key one by one, press the KEY CHANGER ( ) repeatedly during playback. ,,Note yy This function is available CD, USB or BT (Bluetooth) function. yy If a microphone is not connected, “NOT SUPPORT” appears in the display window. yy To initialize it, change the function, disconnect the microphone or change the music. yy This function may not be initialized depending on the status of connected devices. LIGHTING effect The function is to create a Club like atmosphere by operating speaker lighting. Press LIGHTING / MIC VOLUME on the unit. OFF PEACEFUL ROMANTIC COOL UPBEAT FIERY EXCITED DYNAMIC HEALING SUNNY PARTY OFF ,,Note yy Lighting function is available in all functions. yy Lighting mode retains its previous mode when you first press LIGHTING / MIC VOLUME, press again to change modes. Operating 21 AUTO DJ playback Auto DJ blends the end of one song into the beginning of another for seamless playback. It equalizes volume across tracks for uninterrupted playback. Press AUTO DJ on the remote control or unit repeatedly, the display changes as followings. AUTO DJ RANDOM AUTO DJ OFF AUTO DJ SEQUENTIAL Display Window Description OFF AUTO DJ OFF - RANDOM AUTO DJ RANDOM The music is played randomly on this mode. REPEAT AUTO DJ SEQUENTIAL The music is played repeatedly on this mode. ,,Note yy AUTO DJ mode does not support searching for a section within a track/file or to play repeatedly or randomly. yy If you move to other functions or stop the music using I on the unit (or Z on the remote control) on AUTO DJ mode, AUTO DJ will be disable. yy AUTO DJ is not supported in the music file whose length is less than 60 seconds. yy During recording, AUTO DJ is not available. yy Only AUTO DJ SEQUENTIAL is selected when played programmed list. 3 Operating Mode 22 Operating Using a BLUETOOTH® wireless technology About BLUETOOTH Bluetooth is wireless communication technology for short range connection. 3 The sound may be interrupted when the connection has interference from other electronic devices or you connect a Bluetooth device from a different room. Connecting individual devices under Bluetooth wireless technology does not incur any charges. A mobile phone with Bluetooth wireless technology can be operated via the Cascade if the connection was made via Bluetooth wireless technology. Operating Available Devices : Mobile phone, MP3, Laptop, PDA. BLUETOOTH Profiles In order to use Bluetooth wireless technology, devices must be able to interpret certain profiles.This unit is compatible with following profile. A2DP (Advanced Audio Distribution Profile) Codec : SBC Listening to music stored on the BLUETOOTH devices Pairing your unit and BLUETOOTH device Before you start the pairing procedure, make sure the Bluetooth feature is activated on your Bluetooth device. Refer to your Bluetooth device’s user guide. Once a pairing operation is performed, it does not need to be performed again. 1. Turn on the unit. 2. Operate the Bluetooth device and perform the pairing operation. When searching for this unit with the Bluetooth device, a list of the devices found may appear in the Bluetooth device display depending on the type of Bluetooth device. Your unit appears as “LG CM5760(XX)”. ,,Note yy XX means the last two digits of Bluetooth address. For example, if your unit has a Bluetooth address such as 9C:02:98:4A:F7:08, you will see “LG CM5760(08)” on your Bluetooth device. yy Depending on the Bluetooth device type, some devices may have a different pairing process. Enter the PIN code (0000) as needed. yy You can connect this unit with up to 3 Bluetooth devices simultaneously using the same method as described above, only in the Bluetooth function. yy The multi pairing connection is only supported on Android or iOS devices. (Multi pairing connection may not be supported depending on the connected device specifications.) yy Removable/detachable Bluetooth device (Ex : Dongle etc.) will not support multi pairing. Operating 23 3. When this unit is successfully connected with your Bluetooth device, “PAIRED” appears on the display window and change to Bluetooth device name soon. Then “BT” will appear on the display window. ,,Note yy “PAIRED” will momentarily appear on the display when you connect other devices for multi pairing yy If the device name is unavailable, “_” will be displayed. 4. Listen to music. To play a music stored on your Bluetooth device, refer to your Bluetooth device’s user guide. -- There is a obstacle between the unit and the Bluetooth device. -- There is a device using same frequency with Bluetooth technology such as a medical equipment, a microwave or a wireless LAN device. yy You should connect your Bluetooth device to this unit again when you restart it. yy Even if this unit connected up to 3 Bluetooth devices in the Bluetooth mode, you can play and control music by using only one of the connected devices. Controls connected Bluetooth device You can control connected Bluetooth device by the unit; play, pause, stop, skip. ,,Note yy Only Android OS and iOS is available to use this function. yy This function may not be supported depending on the Bluetooth device, or operated differently. yy When this unit connected with multiple Bluetooth devices, only one device which you are playing keeps Bluetooth connection when you change the function to the others. yy The sound may be interrupted when the connection has interference from other electronic devices. yy Depending on the type of the device, you may not be able to use the Bluetooth function. yy You can enjoy wireless system using phone, MP3, Notebook, etc. yy The more distance between the unit and the Bluetooth device, the lower the sound quality becomes. yy Bluetooth connection will be disconnected when the unit is turned off or the Bluetooth device gets far from the unit. yy When Bluetooth connection is disconnected, connect the Bluetooth device to the unit again. yy When a Bluetooth device is not connected, “BT READY” appears on the display window. yy When you use Bluetooth function, adjust the volume to a proper level on the Bluetooth device. yy If it is not in Bluetooth function, only one device can be connected. yy If a Bluetooth device is connected when using LG TV, LG TV is disconnected and the Bluetooth device is connected. yy When you connect Bluetooth device (iOS device etc.) to this unit or operate the device, the volume level can be synchronized with each other. 3 Operating ,,Note yy When using Bluetooth technology, you have to make a connection between the unit and the Bluetooth device as close as possible and keep the distance. However, it may not work well in certain situations as described below: ,,Note 24 Operating Using the Music Flow Bluetooth App ,,Note Only Android OS is available to use “Music Flow Bluetooth” app with this unit. About “Music Flow Bluetooth” App “Music Flow Bluetooth” app brings a suite of new features to this unit. 3 Operating To enjoy more features, you are recommended to download and install free “Music Flow Bluetooth” app. Here is introduce a few of the many features of “Music Flow Bluetooth” app. Multi Juke box : Your entertainment increases three fold when you connect up to 3 Bluetooth phones at the same time. Play music from all three phone and create a customized playlist from all the phones. Install “Music Flow Bluetooth” App onto Your Bluetooth Device There are two ways to install “Music Flow Bluetooth” App onto your Bluetooth device. Install “Music Flow Bluetooth” App through QR code 1. Install “Music Flow Bluetooth” app through QR code. Use the scanning software to scan the QR code. (Android OS) 2. Tap an icon for installation. 3. Tap an icon for downloading. ,,Note yy Make sure that your Bluetooth device is connected to the Internet. yy Make sure that your Bluetooth device has a scanning software application. If you don’t have one, download one from “Google Android Market (Google Play Store)”. yy Depending on area, QR code may not work. Install “Music Flow Bluetooth” App through “Google Android Market (Google Play Store)” 1. Tap the “Google Android Market (Google Play Store)” icon. 2. In the search bar, type in the “Music Flow Bluetooth” and search it. 3. In the search result list, find and tap “Music Flow Bluetooth” to start downloading Bluetooth app. 4. Tap an icon for installation. 5. Tap an icon for downloading. ,,Note yy Make sure that your Bluetooth device is connected to the Internet. yy Make sure that your Bluetooth device is equipped with “Google Android Market (Google Play Store)”. Operating 25 Activate Bluetooth with “Music Flow Bluetooth” App “Music Flow Bluetooth” app helps to connect your Bluetooth device to this unit. 1.Tap “Music Flow Bluetooth” app icon on the home screen to open “Music Flow Bluetooth” app, and go to the main menu. 2. Tap [Menu] and select the unit you want. 3. If you want to get more information to operate, tap [Help] on the [Setting] menu. ,,Note yy “Music Flow Bluetooth ” app will be available in the software version as follow; -- Android O/S : Ver 4.0.3 (or later) yy Depending on the Bluetooth device, “Music Flow Bluetooth ” app may not work. yy After connection of “Music Flow Bluetooth” app, music may be output from your device. In this case, try connecting procedure again. yy If you operate the other applications or change the settings on your Bluetooth device while using “Music Flow Bluetooth” app, “Music Flow Bluetooth” app may operate abnormally. yy When “Music Flow Bluetooth” app operates abnormally, check your Bluetooth device and the connection of “Music Flow Bluetooth” app and then try to connect again. yy Depending on the smart phone's operating system, you have some differences for “Music Flow Bluetooth” operation. yy Check Bluetooth setting on your Bluetooth device if “Music Flow Bluetooth” App connection does not work well. . Operating yy If you use “Music Flow Bluetooth” app for operation, there would be some differences between “Music Flow Bluetooth” app and the supplied remote control. Use the supplied remote control as necessary. 3 26 Operating Radio Operations Be sure that FM antenna is connected. (Refer to page 14) Listening to the radio 3 Presetting the Radio Stations You can preset 50 stations for FM. Before tuning, make sure to turn down the volume. 1.Press F on the remote control or F / WIRELESS BOOM on the unit until FM appears in the display window. 1.Press F on the remote control or F / WIRELESS BOOM on the unit until FM appears in the display window. The last received station is tuned in. 2. Select the desired frequency by pressing TUNING -/+ on the remote control or Y/U on the unit. 2. Auto tuning : Press and hold TUNING -/+ on the remote control or Y/U on the unit for about two seconds until the frequency indication starts to change, then release. Scanning stops when the unit tunes in a station. 4.Press PRESET·FOLDER W/S on the remote control to select the preset number you want. Operating Or Manual tuning : Press TUNING -/+ on the remote control or Y/U on the unit repeatedly. 3. Adjust the volume by rotating volume knob on the unit or by pressing VOL +/- on the remote control repeatedly. Improving poor FM reception Press z on the unit or d/M on the remote control. This will change the Tuner from stereo to mono and usually improve the reception. 3.Press PROGRAM/MEMORY on the remote control. A preset number will blink in the display window. 5.Press PROGRAM/MEMORY on the remote control. The station is stored. 6. Repeat steps 2 to 5 to store other stations. 7. To listen to a preset station, press PRESET·FOLDER W/S or 0 to 9 numerical buttons on the remote control. Deleting all the saved stations 1. Press and hold PROGRAM/MEMORY on the remote control for two seconds. “ERASEALL” will flash up on the unit display. 2.Press PROGRAM/MEMORY on the remote control to erase all the saved radio stations. Operating 27 Sound adjustment Setting the surround mode This system has a number of pre-set surround sound fields. The displayed items for the equalizer may be different depending on sound sources and effects. ,,Note yy O n some speakers, sound may not be heard or heard in low sound depending on the sound mode. yy By pressing and holding REGION EQ / BASS BLAST on the unit, you can enjoy bass sound effect. You can select a desired sound mode by using SOUND EFFECT on the remote control. Description POP CLASSIC JAZZ ROCK This program lends an enthusiastic atmosphere to the sound, giving you the feeling you are at an actual rock, pop, jazz or classic concert. BASS Reinforces the treble, bass and surround sound effect. FOOT BALL You can enjoy the sound effect FOOTBALL STADIUM. STANDARD You can enjoy optimized sound. You can select a desired sound mode by using REGION EQ on the remote control or REGION EQ / BASS BLAST on the unit. On Display Region FUNK, REGUETON, SAMBA, BANDA, MERENGUE, AXE, Latin SALSA, SERTANEJ, America CUMBIA, TECNO BR, FORRO ARABIC DANGDUT Description Optimized sound effect for the Middle East music genre preferred in Indonesia each region. AFRO Africa INDIA India 3 Operating On Display 28 Operating Advanced Operations Recording to USB You can record a various sound source to USB. (CD, USB, AUX, PORTABLE, FM) 1. Connect the USB device to the unit. 2. Select a function by pressing F on the remote control or F / WIRELESS BOOM on the unit. One track/file recording - You can record to USB after playing a track/file you want. All tracks/files recording - You can record to USB after full stop status. 3 Operating Programmed list recording - After showing the programmed list, you can record it to USB. (Refer to page 17) 3. Start the recording by pressing USB REC on the remote control or USB REC / DEMO on the unit. -If you connect both USB1 and USB2, press USB REC on the remote control or USB REC / DEMO on the unit when USB1 or USB2 which you want to record blinks in the display window. 4. To stop recording, press Z on the remote control or I on the unit. Pausing recording During recording, press d/M on the remote control or z on the unit to pause recording. Press it again to restart recording. (AUX, PORTABLE, FM only) ,,Note yy VOICE CANCELLER or KEY CHANGER will be reset, if you use recording function during operating VOICE CANCELLER or KEY CHANGER. yy VOICE CANCELLER or KEY CHANGER can not be operated during recording. To select recording bit rate and speed 1.Press USB REC on the remote control or USB REC / DEMO on the unit for longer than 3 seconds. 2.Use C/V on the remote control or Y/U on the unit to select the bit rate. 3.Press USB REC on the remote control or USB REC / DEMO on the unit again to select the recording speed. 4.Press C/V on the remote control or Y/U on the unit to select a desired recording speed : (AUDIO CD only) X1 SPEED - You can listen to music while recording it. X2 SPEED - You can just record the music file. 5.Press USB REC on the remote control or USB REC / DEMO on the unit to finish the setting. Operating 29 USB copying You can copy various sound source in USB1 to USB2 on USB function. 1. Connect USB device including desired sound files to USB1 and select USB1 function. 2. Connect another USB device to USB2. 3. Start the recording by pressing USB REC on the remote control or USB REC / DEMO on the unit. 4. To stop recording, press Z on the remote control or I on the unit. yy You can check the recording percentage rate for the USB record on the display window during the recording. (MP3/WMA file or Audio CD Only) yy During recording MP3/WMA, there is no sound. yy When you stop recording during playback, the file that has been recorded at that time will be stored. (Except MP3/WMA files) yy Do not remove the USB device or turn off the unit during USB recording. If does not, an incomplete file may be made and not deleted on PC. yy If USB recording does not work, the message like “NO USB”, “ERROR”, “USB FULL”, “NOT SUPPORT” or “FILE MAX” is displayed on the display window. yy Multi card reader device or External HDD can not be used for USB recording. yy A file is recorded by about 512 Mbyte when you record for a long term. yy You may not store more than 2,000 files. yy You can not record in AUTO DJ mode. yy In case of the unsupported MP3/WMA file, the file recording may be stopped. yy It’ll be stored as follows. AUDIO CD MP3/WMA The other source* Tuner * : AUX and the like. Tuner : The current recording frequency is shown. 3 Operating The making of unauthorized copies of copy-protected material, including computer programs, files, broadcasts and sound recordings, may be an infringement of copyrights and constitute a criminal offense. This equipment should not be used for such purposes. Be responsible Respect copyrights ,,Note 30 Operating Setting the Clock 1. Turn the unit on. 1. Turn the unit on. 2. Press and hold CLOCK on the remote control. 2. Press and hold ALARM on the remote control. 3. Select time mode by pressing C/V on the remote control. 3.Press C/V on the remote control to change the hours and minutes and press SET on the remote control to save. - AM 12:00 (for an AM and PM display) or 0:00 (for a 24 hour display) 4.Press SET on the remote control to confirm your selection. 5. Select the hours by pressing C/V on the remote control. 6.Press SET on the remote control. 3 Using your player as an alarm clock Operating 7. Select the minutes by pressing C/V on the remote control. 8.Press SET on the remote control. Setting the Clock through “Music Flow Bluetooth” App Install “Music Flow Bluetooth” app on your Android device. (Refer to page 24) Your unit’s clock will be automatically synchronized with your device by activating Bluetooth connection through “Music Flow Bluetooth” app. 4. Press C/V on the remote control to select function and press SET on the remote control to save. -- Press C/V to select a memory No. when you select Tuner and then, press SET on the remote control. If there is no memory No., this step is skipped. 5.Press C/V on the remote control to change the volume and press SET on the remote control to save. ,,Note yy If you set the clock time, you can check the time by pressing CLOCK on the remote control even when the player is turned off. yy You can set alarm after you set the clock time. yy If you set the clock time and alarm, you can check the alarm setting information by pressing ALARM on the remote control even when the unit is turned off. yy You can select ALARM on/off mode by pressing ALARM on the remote control. Operating 31 Sleep Timer Setting Auto power down Press SLEEP on the remote control repeatedly to select delay time between 10 and 180 minutes. After the delay time, the unit will be turned off. This unit will turn itself off to save electricity in the case were the main unit is not connected to an external device and is not used for 20 minutes. To cancel the sleep function, press SLEEP on the remote control repeatedly until “SLEEP 10” appears, and then press SLEEP on the remote control once again while “SLEEP 10” is displayed. The unit will also turn itself off after six hours if the Main unit has been connected to another device using the analog inputs. ,,Note yy You can check the remaining time before the unit is turned off. yy Press SLEEP on the remote control. The remaining time appears in the display window. Press SLEEP on the remote control once. The display window will be darkened by half. To cancel it, press SLEEP on the remote control repeatedly until dim off. ,,Note All the LED turns off when Dimmer is being operated. How to disconnect the wireless network connection or the wireless device Turn off the unit by pressing the power button for more than 5 seconds. 3 Operating Dimmer Auto power down function is applied to only MASTER unit in case of Wireless X-Boom Plus connection. In case of SLAVE unit, Auto power down is available after disconnection SLAVE unit and MASTER unit. 32 Operating AUTO POWER On Auto function change This unit automatically turns on by an input source : LG TV or Bluetooth This unit recognizes input signals such as Bluetooth and LG TV or connected portable device, and then changes suitable function automatically. If you try to connect your Bluetooth device, this unit turns on and connect your Bluetooth device. You can play your music. ,,Note yy Depending on the connected device, this function may not operate. yy Depending on the connected device, the unit turns on but Bluetooth function may not be connected. 3 Operating yy If you disconnect Bluetooth connection by this unit, some Bluetooth devices try to connect to the unit continually. Therefore it is recommended to disconnect the connection before turning off the unit. yy If you try to connect to the “Music Flow Bluetooth” app, Bluetooth function of this unit is turned on. yy If you turn on the unit using LG TV or Bluetooth function, proper function of this unit is turned on. yy If you have already paired with this unit, automatically this unit can turn on by an input source when this unit is turned off. yy If you turn off the unit by pressing the power button for more than 5 seconds, AUTO POWER On function is disabled. To activate it, turn on the unit. When you try to connect Bluetooth device When you try to connect your Bluetooth device to this unit, Bluetooth function is selected. Play your music on the Bluetooth device. When PORT.IN connection is connected When you connect the portable device to the PORT.IN connector, PORTABLE function is selected. Play your music on the portable device. When LG TV is connected When you turn on your LG TV connected by LG Sound Sync, this unit changes the function to LG TV. You can hear the sound from your TV. ,,Note yy This function is not available during recording or deleting. yy This function only works with devices that were previously connected. Operating 33 LG Sound Sync You can control some functions of this unit by your TV’s remote control with LG Sound Sync. It is compatible with LG TV that supports LG Sound Sync. Make sure your TV has the LG Sound Sync logo. Controllable function by LG TV’s remote control : Volume up/down, mute Refer to the TV’s instruction manual for the details of LG Sound Sync. 1. Turn on the unit by pressing 1 on the remote control or 1/! on the unit. 3. Set up the sound output of TV to listen to the sound through this unit : TV setting menu [ [Sound] [ [TV Sound output] [ [LG Sound Sync (Wireless)] “PAIRED” appears on the display window for about 3 seconds and then you can see “LG TV” on the display window if connecting normally between this unit and your TV. yy You can also use the remote control of this unit while using LG Sound Sync. If you use TV's remote control again, the unit synchronizes with the TV. yy If the connection fails, check the conditions of this unit and your TV : power, function. yy Make sure of the condition of this unit and the connection in the cases below when using LG Sound Sync. -- Turned off the unit. -- Changing the function to the others. -- Disconnecting the wireless connection caused by interference or a distance. yy The amount of time to turn off this unit is different depending on your TV. yy Details of TV setting menu vary depending on the manufacturers or models of your TV. yy If you connect LG Sound Sync when “Music Flow Bluetooth“ app is connected, control through the app is available. yy If you turned off the unit directly by pressing 1 on the remote control or 1/! on the unit, LG Sound Sync will be disconnected. To use this function again, you should reconnect the TV and the unit. yy If an LG TV is connected when using Bluetooth, Bluetooth is disconnected and the LG TV is connected. yy If you try to change the function on using the LG TV function, volume will be changed according to the LG TV volume level. yy The volume may be increased when the TV and this unit is connected by LG Sound Sync. Decrease the TV volume and then connect with this unit. 3 Operating 2.Press F on the remote control or F / WIRELESS BOOM on the unit. until LG TV function is selected. ,,Note 34 Operating Wireless X-Boom Plus Connection The output sound of (MASTER) unit is expanded to (SLAVE) unit. It is compatible with unit that supports Wireless X-Boom Plus. 3 ,,Note Operating yy If you using the LG Sound Sync, this function is not available. If you connect the LG TV function, “NOT SUPPORT” appears in the display window. yy When Wireless X-Boom Plus is disconnected, SLAVE unit is changed to BT function. yy If the connection is failed, “FAILED” appears in the display window. yy Mute function is synchronized with each other. yy Wireless X-Boom Plus connection will be disconnected when you turn off the unit or press and hold F / WIRELESS BOOM on the unit for 3 seconds. yy When Wireless X-Boom Plus is connected, Bluetooth connection is not available in status of recording or deleting. yy Sound of MASTER unit and SLAVE unit may be different depending on playback status or source. 1. Press and hold F / WIRELESS BOOM on the unit for 3 seconds. WIRELESS BOOM MODE SELECT appears in the display window. 2.Press Y/U on the unit to select MASTER or SLAVE. - unit : Selects MASTER. - unit : Selects SLAVE. Two units try to connect with each other. 3. When this unit is successfully connected each other, “Slave Device Name CONNECTED” appears in the MASTER unit. “CONNECTED TO Master Device Name” appears in the SLAVE unit and change to SLAVE soon. yy Check the following information when connecting to Bluetooth. -- You can connect only one Bluetooth device in the MASTER unit. you cannot connect Bluetooth device to the SLAVE unit. -- Wireless X-Boom Plus connection is only supported on Android or iOS devices. (Wireless X-Boom Plus connection may not be supported depending on the connected device specifications or OS.) -- Removable/detachable Bluetooth devices (ex. Dongle etc.) will not support Wireless X-Boom Plus connection. -- When Wireless X-Boom Plus is connected, Bluetooth connection is not available in status of recording or deleting. Troubleshooting 35 Troubleshooting Problem The unit does not work properly. Cause & Correction yy Turn off the power of this unit and the connected external device (TV, Woofer, DVD-player, Amplifier, etc.) and turn it on again. yy Disconnect the power cord of this unit and the connected external device (TV, Woofer, DVD-player, Amplifier, etc.) and then try connecting again. yy Previous setting may not be saved when device power is shut off. yy The power cord is not plugged in. Plug in the power cord. No Power. No sound. yy Check whether electricity failed. Check the condition by operating other electronic devices. yy Check whether you select right function. Press function button and check the selected function. yy Check to see if the Speakers are connected correctly. Speaker cables connected correctly. yy An unplayable disc is inserted. Insert a playable disc. yy No disc is inserted. Insert a disc. yy The disc is dirty. Clean the disc. (Refer to page 38) yy The disc is inserted upside down. Place the disc with the label or printed side facing upwards. yy The antenna is positioned or connected poorly. Connect the antenna securely. yy The signal strength of the radio station is too weak. Tune to the station manually. Radio stations cannot be yy No stations have been preset or preset stations have been cleared. (when being tuned in properly. tuned by scanning preset channels) Preset some radio stations, see page 26 for details. yy The remote control is too far from the unit. Operate the remote control within about 23 ft (7 m). The remote control does yy There is an obstacle in the path of the remote control and the unit. Remove the not work properly. obstacle. yy The batteries in the remote control are exhausted. Replace the batteries with new ones. LG Sound Sync does not work. yy Check whether your LG TV supports LG Sound Sync. yy Check connection of LG Sound Sync. yy Check sound setting of your TV and this unit. Troubleshooting The unit does not start playback. 4 36 Appendix General specifications General Power requirements Refer to the main label on the unit. Refer to the main label on the unit. Power consumption Networked standby : 0.5 W (If all network ports are activated.) Dimensions (W x H x D) Approx. 207 mm x 282 mm x 261 mm Net Weight Approx. 3.5 kg Operating temperature 5 °C to 35 °C Operating humidity 5 % to 90 % Inputs Analog audio in (AUX IN) 2.5 Vrms (1 kHz, 0 dB), 75 Ω, RCA jack (L, R) Portable in (PORT. IN) 1.4 Vrms (3.5 mm stereo jack) x 1 Microphone (MIC) Sensitivity 20 mV (1 kHz), 6.3 mm jack x 1 Tuner 5 FM Tuning Range 87.5 to 108.0 MHz or 87.50 to 108.00 MHz Appendix System Frequency Response 70 to 20,000 Hz Signal-to-noise ratio More than 75 dB Dynamic range More than 75 dB Bus Power Supply (USB) 5 V 0 500 mA Amplifier (RMS Output power) Total 1,100 W Front 350 W x 2 (4 Ω at 1 kHz, 20 % THD) Subwoofer 400 W (3 Ω at 60 Hz, 20 % THD) Appendix 37 Speaker specifications Front speaker Type 2 Way 2 Speaker Impedance 4Ω Rated Input Power 350 W Max. Input power 700 W Net Dimensions (W x H x D) Approx. 299 mm x 363 mm x 230 mm Net Weight Approx. 5 kg Subwoofer speaker Type 1 Way 1 Speaker Impedance 3Ω Rated Input Power 400 W Max. Input power 800 W Net Dimensions (W x H x D) Net Weight Approx. 309 mm x 363 mm x 270 mm Approx. 5.55 kg yy Design and specifications are subject to change without notice. 5 Appendix 38 Appendix Maintenance Handling the Unit Handling Discs Never stick paper or tape on the disc. When shipping the unit Storing Discs Please save the original shipping carton and packing materials. If you need to ship the unit, for maximum protection, re-pack the unit as it was originally packed at the factory. After playing, store the disc in its case. Do not expose the disc to direct sunlight or sources of heat and never leave it in a parked car exposed to direct sunlight. Keeping the exterior surfaces clean Cleaning Discs Do not use volatile liquids such as insecticide spray near the unit. Do not use strong solvents such as alcohol, benzine, thinner, commercially available cleaners, or anti-static spray intended for old vinyl records. Wiping with strong pressure may damage the surface. Do not leave rubber or plastic products in contact with the unit for a long period of time. Cleaning the unit 5 Notes on Discs Trademarks and Licenses Appendix To clean the player, use a soft, dry cloth. If the surfaces are extremely dirty, use a soft cloth lightly moistened with a mild detergent solution. Do not use strong solvents such as alcohol, benzine, or thinner, as these might damage the surface of the unit. Maintaining the Unit The unit is a high-tech, precision device. If the optical pick-up lens and disc drive parts are dirty or worn, the picture quality could be diminished. For details, please contact your nearest authorized service center. The Bluetooth® word mark and logos are owned by the Bluetooth SIG, Inc. and any use of such marks by LG Electronics is under license. Other trademarks and trade names are those of their respective owners.