User`s Manual
Contents
1. e 25 Congratulations on your perchase of the HDM Stream Player We hope you can enjoy aesthetic feeling of music through this device To enable you to get more informations we propose you to spent a little time to read the manual before operating the device You will find that in almost all the matters you care about have been considered Il Introduction The audio source of next generation a multifunctional digital stream master with music play network access D A converter and digital music recording integrated all together The HDM stream player adopts the specialized 32 bit high performance multimedia processor and DSP solution The reference clock system is the industrial grade digital phase locked loop DPLL system which effectively reduces clock jitter in transmission of digital audio signals and achieves an ultra low Jitter In addition by proprietary technology the audio coding and decoding software can process 32bit 384Khz high bit rate digital master tape audio stream at a high speed and support the decoding of all kinds of digital audio formats WAV WMA APE FLAC ALAC ACC In the future through firmware upgrading the device can support more audio formats The audio D A decoding part adopt the flagship level decoding chip WM8741 with digital filter from Wolfson of the UK Known as a D A chip with the best hearing impression this chip can produce simulated feel sounds more natural than those produced with traditi2. disk or mobile HDD 3 Digital input Optical jack 4 Balanced Digital output AES jack 5 R Channel analog output AES jack 6 L Channel analog output AES jack 7 AC commercial use power input options switch 220V or 110V 8 Power Fuse block 250V 1A 9 AC commercial use power jack 10 L Channel analog output direct RCA jack 11 L Channel analog output transformer RCA jack 12 R Channel analog output transformer RCA jack 13 R Channel analog output direct RCA jack 14 Digital output RCA jack 15 Digital input RCA jack 3 3 The Feature of Display Screen 3 3 1 Main Menu Local Source Once getting the player powered on the icon interface will show up as per the above figure with six in total Three icons can be seen each time and switched simply by touch or by remote control For example you can switch the icons from left to right by touching the leftmost icon this icon will become larger at the central location and display the function word conversely if touching the rightmost icon the interface will move from right to left in order to switch Do switch once by touch one time As long as you touch the icon in the center the player will get into the function that the icon indicates The icons of this interface indicate the following functions to 1 Setup System settings list or view system properties 5 My Favorite Enter the Favorite to select the collected song or internet radio My Favorite 6 DAC Enter the D
3. barcode which is tore off from the outer packing box Once getting the barcode pasted it will be not necessary to fill in the product information VI Please contact with your distributor or out after sales service department directly in the case that the product get in trouble IX With the continuous optimization of products function please login our website http www jfdigitallcom to concern about our products dynamic download the latest updates 28 Warranty Card Kept with the manufacturer after being returned Customer Dee Customer Postal al o sai mm T TITLI department person Distributor f Contact Contact Tel department person Model Date purchased purchased Serial number Customer code filled by manufacturer Servicing time Fault descriptions Servicing time Fault descriptions Shenzhen Jingfeng digital technology Co Ltd Address 3rd floor Building B9 Shahe industrial area Baishizhou Nanshan district Shenzhen China Tel 86 755 83225760 Fax 86 755 86093355 Code 518031 http www jfdigital com 29 30 ANALOG OUTPUT DIGITAL DIGITAL INPUT OUTPUT M AC POWER INPUT BYPASS SHOCK DO NOT OPEN RISQUE DE CHOC USB HOST s LS VOLTAGE SELECTOR WWW JFDIGITAL COM Ver3 8 2013 03
4. files or set the file to the shared state 2 Set the network links Connect the LAN or via WI FI to the HDM player setting method for 4 2 1 Network 3 Play the file shared over network After setting network up go back to main menu interface to enter into the Net Source there are two shared types are available Samba or UPNP files sharing UPNP Share If select the Samba Share the system will automatically search the LAN for the IP address of the computer which has shared music or you can choose Input IP to input the known IP address manually o EEIE InputiP RS 192 168 0 106 e 192 168 0 110 If select the UPNP share the system will automatically search to the UPNP server and then enter into the network resources list Now you can select any file to play in the playing interface A Es Album All Tracks Ta e Artist WV Em Artist Index 4 5 VIE Playing Internet Radio amp iRadio A XRecommended Genres er et EULIELES It is also necessary to set network first well for playing internet radio and then select Internet Radio in the main menu to get into the radio station category list lt Recommended gt lt Countries and Regions gt lt Genres gt lt Languages gt Recommended contains 85 popular radio stations domesitc and foreign recommended by system Classification by Countries and Regions the radio stations are classified into Africa America Asia Europe MidEast a
5. AC status to receive the digital audio from outside input by optical fiber coaxial cable or balance line 3 3 2 Submenu Enter the option menu of USB storage devices by touching the Local Source icon which includes the below functions to 1 U Disk 1 Enter the file list of the USB storage device USB flash disk or mobile HDD 2 U Disk 2 At the same time inserted 2 storage device using 3 SD Card Enter the file list in SD card without SD card connector in this player 3 3 3 Player Interface When any stored file or any internet radio is playing the following interfaces will be available ER 00 10 5644 LAS 13 IWS ee oasis sae 10 176 4 KHz Each indicates the function as follows 1 Sa a oe ee 0 0 12 13 14 Record button Remote control on the current playback audio recording when the key red dot will zoom flash Last button Play back the previous file by touching the button Progress bar Play Pause Next button Select the next file to play by touching the next button Stop and return to the main menu Stop and go back to the file folder list radio station list Show the sampling rate of the current playing file Show the bit rate of the current playing file Volume Adjust the volume by touch or the remote control and it will become the lowest if pressing the Mute key Show the track name of the current playing file or the radio station name when available Display the play d
6. JFEeNG LJigir ol Digital Stream Master Music Server HDM 01D HDM 03 HDM 03S Shenzhen JingFeng Digital Technology Co Ltd http www jfdigital com WU ET 8L I1 1 1 Contents L intfoductio NOR a d a 3 MT L L A 4 RE DIE L A 5 3 1 Maln PO ACUI 88 onec ioo eere eo Eee Eee anao Eo Us eo Nea e save Ee aes o Se dee ee Heu eov Poe 5 3 2 Prodauct Er C n E 6 3 2 1 Front Panel HDM 01D ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssses 6 3 2 2 Back Panel HDM 01D iliiececeteesctess cobeeon evas ossa coca cutaa nugas sacabdasnaVuanauc s 6 3 2 3 Front Panel HDM O36 cccccccccccccccccccccccccccccccccccccccccccccccccccccccccees 6 3 2 4 Back Panel HDM 03 ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccees 7 3 2 5 Front Panel HDM 03 sssssscscssscsssssssccssssssssscccssssosssscsscsssssssssssssssssssssse 7 3 2 6 Back Panel HDM 03 cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccees 7 3 3 The Feature of Display Screen eee eere 8 3 3 1 LH PROMO 8 3 3 2 SUDIISTIU sd a bid dua da ii Peek oe e bua da abe e asa kwa ved bb eua e Cu P PA uet epu dva edo o VN 10 3 4 9 Player Intefa te iii iii idi id o ida etii dd eo iN Dei ca Ee sees 10 3 4 Remote Control Guide c cccccccccccccccccccccccccccccccccccccccccees 12 IV Operation GUIU iiiccor
7. KHz WAVE FLAC gt High performance independent D A converter 24Bit 192KHz gt Digital stream recorder 24Bit 192KHz gt WI FI LAN Internet radio Audio Technical Features gt Support decoding of all kinds of main stream digital audio formats including WAV WMA APE and FLAC etc gt High performance linear power supply system with independent power supplies for digital analog parts gt Adopt Hi END parts such as all solid state Low ESR capacitor gt RCA XLR S P DIF digital audio output port for digital CD output Network Features gt Support cable network Ethernet cable network 10 100Mbps RJ 45 interface gt Support wireless network IEEE 802 11 b g h with a maximum transmission speed of 54Mbps gt Support TCP IP UPNP UDP RTSP DHCP PPPOE and HTTP network protocols and media sharing between NAS Network Attached Storage and PC Support MMS RTSP and HTTP stream media protocols More than 10 000 radio channels from all over the world are built internally and you can hear anywhere of the world Support two USB2 0 HOST and external hard disk 5 inch TFT true color touch screen operation Advanced IR remote control IPhone or Android mobile device remote control VV VV VV 3 2 Product Layout 3 2 1 Front Panel HDM 01D 1 Power button and power LED 2 Machine display screen touch display panel 3 Receive window with infra red remote control 4 USB HOST port to connect with USB storage devic
8. and b are used to select the digital 0 9 uppercase A Z and lowercase a z The keys EJ and gt are used to move the password last or next No matter what type of network selected should get into DHCP and select On otherwise enter into IP Set to set IP address and DNS server address e In the case that the DHCP is turned On but it is unable to connect to the network it is helpful for network connection to set IP address manually A _IP Addr Route Addr Dns Addr Ww IP Addr 192 168 000 122 choose wireless the icon will like this smooth connection and can be used 4 2 2 Backlight Brightness There are 4 levels of LCD brightness and select the suitable level by touch or by the remote control A 1 Bright NN E 2 Bright LEETE LET 4 2 3 Language Selection English simplified Chinese traditional Chinese ltalv German and Japanese are optional for different countries and regions Language e l Wu a a e mex LETT T italano 4 2 4 Screen Time The Screen Time is the time to adjust the LCD brightness 5 10 30 seconds and Always light are optional screen Time 10 secs mA qe K 30 secs ku Alwavs 4 2 5 Firmware Update The system can get updated through Firmware Update You just need to save the update firmware in USB flash disk and then insert the USB flash disk into USB HOST port Then select Update bv touch or pres
9. ate to start II Please ensure the filled information in the Warranty card completed and it shall not come into effect until it is signed by the person who hand over this product with the chop of the distributor and taken back by the distributor or its staff 207 2 I I Please present the Warranty card and any proof of purchase such as invoice to ask for the guarantee service IV As for the following situation the free maintenance is unavailable 1 Warranty period has expired on the product s 2 he user can t present the Warranty card or invoice or other proof of purchase 3 The original seal has been damaged due to the man made factors such as un authorized disassemble repair or change in configuration 4 The machine does not work due to the force majeure 5 For the consumable parts and wearing parts such as the remote control the warranty period is three months 6 There is any damage caused by unauthorized move or misuse We will charge for repairing any damage arised from the man made factors V Any modification on the product without any authorization belongs to infringing act Out company will not be responsible for any failure or accident that may be caused by any modification except that the product is not covered by the warranty VI This Warranty card is available within China and the users overseas should please contact with the local distributors VI The blank in the Warranty card is kept to sick the body
10. con z on the top right of the list in shield symbol pattern to pop up Copy Paste Cut Delete menu The selection of Copy or Cut will result in one file icon on the top of the list Then get into the path of the file to paste and repeat the above operation and choose Paste and that will do lf you select Delete one tooltip will pop up for the deleting operation by clicking Ok or pressing the Ok key of the remote control Where there is no Copy or Cut selected the function of Paste will be unavailable gms 4 8 D A Converter When the icon DAC is positioned in the center of the main interface select it by touch or pressing the Ok key of the remote control or switch to DAC interface directly by pressing DAC key of the remote control in the main interface Switch between the optical fiber and coaxial signal pressing SWITCH key of the remote control in the DAC interface or touching the icon OD 4 9 v Record Long press the key of the remote control to start recording for the internet radio or DAC input The recorded file that is automatically named will be saved in the USB flash disk or the FAT32 formatted mobile disk The recording will stop once pressing the Record key again 4 10 Descriptions For USB Ports Two USB HOST ports are combined on the back panel HDM 01D has another USB HOST port set on the lower right of the player All this USB HOST ports can be connected with USB st
11. e such as USB flash disk or mobile HDD wt 3 2 2 Back Panel HDM 01D 1 RJ 45 LAN interface 2 USB HOST ports to connect with USB storage device such as USB flash disk or mobile HDD 3 12S output port 1 t m MCLK J G 3 LRGK ji 6 e e G ao BCK G emm CND A DATA THE CABLE CONNECTIONS FOR 125 OUTPUT 4 Balanced Digital output AES jack 5 Digital output RCA jack 6 Power Fuse block 250V 1A 7 AC commercial use power jack 3 2 3 Front Panel HDM 03S Power button and power LED Machine display screen touch display panel Receive Window with infra red remote control 6 3mm earphone export connect to the earphone of high impedance above 50 ohmic 3 2 4 Back Panel HDM 03S oy b 1 RJ 45 LAN interface 5 Digital input RCA jack 2 USB HOST ports to connect with 6 R Channel analog output jack USB storage device such as USB 7 L Channel analog output jack flash disk or mobile HDD 8 Power Fuse block 250V 1A 3 Digital input Optical jack 9 AC commercial use power jack 4 Digital output RCA jack 3 2 5 Front Panel HDM 03 1 Power button and power LED 2 Machine display screen touch display panel 3 Receive Window with infra red remote control 4 6 3mm earphone export connect to the earphone of high impedance above 90 ohmic 3 2 6 Back Panel HDM 03 1 RJ 45 LAN interface 2 USB HOST ports to connect with USB storage device such as USB flash
12. ffects of filter response 20 Shielding Shielding pictures by pressing this key in the playing pictures interface press one more time to show the pictures IV Operation Guide 4 1 Power On Off Connect the three phase power press the power button the LED indicator light the power supply is switched on for 5 seconds display Boot screen NMISITAI STREAM MASTER MIISI GERVER SYSTEM STARTING E The screen will indicate SYSTEM STARTING and once the system starts completely the main interface will be permitted to run on lt will take one minute for full start up Local Source o b b NI 4 2 Svstem Setting ko Ssysset Network E Brightness a Language NP Screen Time Select the icon in the main menu to enter into the System Settings which includes six setting functions as follows 4 2 1 Network Before playing the files shared over network or internet radio you should setup the network links frist G Enter into the network setting list Touch the Setup icon in the main interface then click Network Net Type if it is chosen through a wired connection select Lan a via WI FI connection select Wireless NetType Wireless When select Wireless it is necessary to click Wi fi Set to search for available wireless network around and then use the keys aj M KI of the remote control to set connection password Note The keys
13. iiectos biete ts idek ekk id ri eod 14 4 1 Power On OTEiiececiscetoc epe ee ka iddub ke ee ee V vsu e seed da Gas kd kid 14 4 2 System Setting isi etiistiese vest eee taek ea tae evo een eH bi eo ee ero Fe beo Rei ede eUpe 14 4 2 1 NetWOEFI ucciso sero a b dei da Po esae ee eund urb uaa e ba dada vs ve eae dosis VR ERE RN PEN d 15 A 2 2 BONOS S mee 16 42 3 LAaNQUAQ ii 16 4 2 4 SCTOOM TMG iii ai da a ad d dada G a oU pa Sed E En 17 A 29 U DA ALC a a a E IEE i ot i od IE SUP e i UMS 17 2 2 0 OF g iii ads re a a uud ua dva EVENT 17 4 2 71 ADOUL ii aea aaaea araa e a i 18 4 3 Play The Files in Local Source 18 4 3 1 Play The File In USB Falsh Disk 18 4 3 2 Play The File In External CD ROM 19 4 4 Play The Files Shared over Networrk 19 4 9 Play Intemet RadlO eov eder ten i eoa aee E E YEE SERA EN UREER e o0o editt 20 4 6 MY Favorita e 21 4 7 Copy Cut Paste Delete File folder 21 4 8 DA CONVORON TM 21 HS IROCORCIING ERN m T T 22 4 10 Descriptions for USB POort e eee eere ee eere eooo 22 4 11 Dereci ilu e NNa 23 V Troubleshoot for Simple Breakdown e 24 VI Specification and afer sale Service
14. l show the album artwork on the right of the file list Touch the selected file or press the Ok key of the remote control to get into the file playing interface After playing about 10 seconds it will enter into the screen saver mode for the upper right corner of the album artwork When playing you can go to the file list by pressing the RCLL LIST key of the remote control Note The system will automatically screen out of the picture which larger than 1M for the one smaller than 1M you can press any key of the remote control or touch the screen to exit screen saver mode back to the playing interface press the key F1 to shield picture 4 3 2 Play The File In External CD ROM Connect the CD ROM to the USB port of HDM player touch the Local Source icon in the main interface in a direct way to locate such an icon in the center and then touch this icon again or press the Ok key of the remote control to enter the option menu of external CD ROM Touch the icon of CD ROM or press the OK kev of the remote control to enter into track list of the CD ROM Touch the selected file or press the Ok key of the remote control to get into the file playing interface 20 When you want to change the CD press exit key to the main interface then press exit key again the CD will pop up automatically then you should change and warehouse the CD manually CR 4 4 2 Play The Files Shared Over Network PC disk which store music
15. nd Oceania by region and then by Su country or district finally by radio station name list As regards the classification by Type the radio stations are classified into Music and Talks based by Language the radio stations should be distinguished from each other by the first letter of their languages You can choose the list path as you like and enter into the play interface after the selection There are more than10 000 radio stations collected in the radio station list resulting in the inconvenience to search radio station by pressing Up and Down key But you can press any number of the remote control to input this number in the radio station for this number is designed corresponding to the number on the left of the radio station name in the list Internet radio also has the function of network clock calibration the time displays on the radio interface is the current time when play 4 6 My Favorite Select your favorite file in the file list or radio station in the internet radio and then lick add to favorite choose their suitable type file and then press Ok key to finish From then on you can play the file or radio station in the Favorite just by selecting it You can create one play list through the function of Quick Play and you just need to select this list to play it next time 4 7 Copy Cut Paste Delete File Folder FUNCTION Select the file from the file list for operation Then press the key or touch the i
16. ng this kev downwards and long press it to go The more the Vol kev is pressed the lower the volume becomes in plaving interface or press the Vol kev to lower Vol Down the volume continuously Select one file in the file list by downwards for selection Last B Press this key to play the last file or internet radio Next gt Press this key to play the next file or internet radio Play Paus Lg Press this key to pause in play status and press it again to e keep playing Press this key to stop playing and return to the main menu oerve as an enter key for system settings operation or file l J selection e O A m O O Timing TIME Press this key to select timing mode in order or reverse mode order Fast Get the playback progress fast backward backward Fast PE Get the playback progress fast forward Forward CER Go back to the previous menu or list operation Press this key to record the current playing file in high 15 Record quality for the internet radio or DAC digital audio and store CI the recorded file that is automatically named in USB flash disk by touching this button Favorite Za to the Favorites for the purpose of direct playback next time interface MAR pressing this key Functional Press this key in the main menu will switch to the interface _ for decoding the external digital audio signal When the file 19 DAC DAC is playing press this key turns to the five e
17. onal digital simulated converters What s more the reference circuit has been specially optimized and calibrated by engineers from the plant of Wolfson as well as passing the factory test made by Wolfson As a result it can provide SNR of 128dB monophony which guarantees a high quality of digital audio rendering The device can be easily adopted into the DAC modes by the screen operation it can be used as a high performance DAC Connect with your CD device or other machine which has coaxial cable optical fiber or even balance digital output directly it also can be used as high performance external decoder As a device of a relatively perfect function the HDM Player can also be used as a network music server With powerful network processing function it can support NAS and can share network resources through WI FI LAN Besides it can also be used as an Internet radio With the built in channel list it receives signals from more than 10 000 digital Internet radio stations from all over the world Router N X PC Remote Control Stream Player ll Cautions This players design and manufacturer has your safety in mind In order to safely and effectively use this player please read the following before usage 1 Keep this manual for reference 2 Please make sure if the commercial use power in your place is 220V or 110V at the first use of the machine and then set the 220V 110V switch in the back panel to the commercial use power When the s
18. orage devices such as USB flash disk USB mobile HDD 4 11 Wi Fi Direct Connect the Wi Fi adaptor to the USB port of the HDM palyer It will appear an icon on the left corner in the main interface lt means that now the HDM palyer can be seen as a virtual router now can use the Media controller in the iPhone iPad or Andriod device But firstly the mobile device should connect to the virtual WLAN Open your mobile device and go to Setting WLAN select ON it will appear the WLAN device Find a device which is named of the MAC of the HDM player and connect it The access code is 12345678 After connecting you can use the Media Controller on your Android or IOS device to search the file in the local source of HDM player and let it play on the HDM player 24 V Troubleshoot For Simple Breakdown In the case that the machine hasn t any response when power first make sure if the power supply is connected well at each end and then check if the 220V 110V change over switch is toggled Then inspect if the fuse has already fused The location of the fuse box is shown as the following figure ANALOG OUT VOLTAGE SELECTOR FUSE BOX Pry the fuse box open by the screwdriver and the two fuses will be found to be embedded in the cover one in the square plastic tube kept as back up fuse and the other inlayed in the plastic connector below as the working fuse Make sure if the working fuse is burnt out and if so please
19. sing the remote control to start updating Do not pull out the USB flash disk during the updating until the screen displavs The update is done The update is completed before the svstem automaticallv restarting 4 2 6 Touch Screen Calibration To ensure the touch screen sensitive please select Calibrate prior to initial use or when the wrong touch sensitive is found out The screen will display one in the 18 calibration interface and touch the middle of it the will jump to another corner and then one after another corner and finally get back to the center 4 2 7 About Product Name HD PLAYER Firmware Version V3 6 5DAC Date 2012 5 12 MAC 20 59 a0 10 31 1e Select the item to see the product s firmware version date and network MAC address 4 3 1 Plav The File In USB Falsh Disk Connect the USB storage device touch the Local Source icon interface in a direct wav to locate such an icon in the center and then touch this icon again or press the Ok kev of the remote control to enter the option menu of external USB flash disk or USB mobile HDD in the main Touch the icon of USB disk located in the center or press the Ok kev of the remote control to enter into the partition list of the USB disk When one partition is selected will enter into the file list of this partition lf the storage device has no partition such as USB flash disk will directiv enter into the file list FileList It wil
20. uration of the current playing file or Beijing time for the internet radio Show the current playing programme status which can be set by touching this icon or by the remote control Different icon indicates different status Non repetitive Play Sequence Play Mute Mute sounds or open audio by touching this icon 3 4 Remote Control Guide Timing mode Standby Mute Function switch Functional key 6 666 Ooo 696669656560 e e e e Vol Up Add Open gt Favorites 8 o To play interface Last e L Next Back aa en k C O3 Stop Vol Down Fast E Q cC Fast forward backwark ee Play Pause DAC Ti Record eo0 Button Button name icon After powered on the remote control will get into standby 1 Standby status until powered off It will take 3 seconds to power off by pressing this key Not support use E 1 Mute sounds or open audio Switch for the playing file among single play list Function H cycle non repetitive play sequence play random play and 3 other play mode by pressing this key In DAC status press it to switch for the signal input between the optical fiber and coaxial cable switch The more the Vol key is pressed the higher the volume becomes in playing interface or press the Vol key to Vol Up increase the volume continuously Select one file in the file list by pressing this key upwards and long press it to go upwards for selection 5 pressi
21. use the back up fuse to replace it If the player still can t work after the above mentioned troubles are solved please contact us for repair 25 VI Specification and after sale Service Performance parameters Test condition 24BIT 96KHz 1kHz Analogue Outputs RCA Frequence Response 10Hz 20KHz 0 dB 0 2dB RCA Output Level 2 35V RMS RCA Output Impedance 200 Ohm RCA Output S N RCA THD N 115dB 0 003 10Hz 20KHz 0 dB 0 2dB 1 18V RMS Balanced AES Frequence Response Balanced AES Output Level 600 Ohm 115 dB Balanced AES Output Impedance Balanced AES Output S N Balanced AES THD N 0 002 Digital Outputs RAC Output Level 1 6V Vp p 75 Ohm 1 4V Vp p 110 Ohm RAC Output Impedance Balanced AES Output Leve Balanced AES Output Impedance RAC Digital Input Impedance 75 Ohm Jitter 100ps player 120ps S P DIF Input Package contents and parameters HDM player HOST 1 Piece Three Terminal AC Power Line 1 Piece Remote Control 1 Piece Operation Manual 1 Piece Speed Via WI FI 1 Piece 430X300X100 mm Actual size in order to prevail in kind Size CDxWxH Weight 7 5KG Actual weight in order to prevail in kind 2 36 Guarantee amp Disclaimers The user can get warranty service within one year from the date of signing this Warranty card however in the case that the user does not return the Warranty card Thirty days shall be added to the release date for the warranty d
22. witch points at 220V it means 220V input but at 110V it is 110V input and the default is 220V This switch is located at the back of the machine as the following figure Only by HDM 03 ANALOG OUT 0 o R L BYPASS Q Q 220V 110V CONVERTER 3 No one but professional can open the machine case due to the high commercial use power in order to avoid accident 4 Please send the machine away from volatile substance Please do not make it contact with rubber or other organic materials for long time These materials may cause the machine to discoloration or surface damage Use a soft clean cloth wipe the surface avoid using organic chemical reagent Stubborn spots please 4 use the soft cloth with neutral detergent to clean then use dry cloth to clean again Do not let water or other liquid splashing into the machine or the surface do not let small pieces of metal fall into the inner 5 Do not use this machine in cases that the power line wear and failure When unplug the power line from the power socket please hold the plug do not pull the electric wire 6 Keep the machine in a dry environment don t use the machine in a thunderstorm 7 The device will not be placed in close to the furnace heating or other heat sources 8 Do not let the machine exposure to direct sunlight for long time 9 Do not place heavy objects upon the machine lll Features 3 1 Main Features Key Features gt J Digital music player 32Bit 384
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