USER MANUAL LOTOO LS50
Contents
1. Do not use chemicals or detergents to clean the recorder Do not use the recorder in excessively dusty or smoky areas Do not use the recorder when there is lightening Do not open disassemble the recorder Do not use the LS50 close to ferromagnetic substances Battery Safety Do not put the batteries into an open fire or heat the batteries excessively this will lead to battery explosion Do not invert battery polarity Do not mix new batteries with the semi used batteries If batteries appear hot please stop using the LS50 immediately Do not attempt to charge the alkaline batteries Please keep batteries out of the reach of the children Do not use the damaged batteries 69 Beijing InfoMedia Electronic Technology Co Ltd InfoMedia Electronic Technologv Co Ltd Floor 4 B Building Printing Academv No 2 Cuiwei Road Haidian District Beijing China P R Tel 400 653 8168 www lotoo cn service lotoo cn2. A B C D E M can be seen Choose a folder and click the left button twice to open it 4 Click on the file you are trying to copy and then click the right mouse button select COPY 5 Select the folder in computer and click the right mouse button select PASTE 6 Click the left mouse button on Safely Remove Hardware in the lower right hand corner of the taskbar Click the left button Mobile Disk to disconnect the recorder and computer 7 Once completed remove USB cable USB CONNECTOR USB COMMUNICATION 57 Beijing InfoMedia Electronic Technology Co Ltd Note In a folder any file with suffix MAK is bookmark When a bookmark is added to an audio file a MAK file corresponding to this audio will be generated MAK files can only be recognized by the LS50 and will be used when playing back the corresponding audio file COPY MUSIC FROM A COMPUTER TO THE LS50 AND PLAYING THEM BACK You can copy audio files or music from a computer to the LS50 which can playback audio formats WAV MP2 MP3 and WMA 1 Turn on the LS50 2 Plug one end of the USB cable to the USB connector of the LS50 and the other end to the USB connector lt of the computer 3 The computer recognizes the mobile disk select the disk and click the left mouse button twice The 6 folders in the root directory of the LS50 A B C D E M can be seen Choose a folder and click the left bu
3. E FILE MENU SS l Pil 8 44 gt gt I 4 4 AGC a OD 20 11 04 88 08 33 28 e MINIMI 00 51 01 LIL LILS USER0O001 WAY 6 CHANGE RECORDING FORMAT The LS50 supports PCM and MP3 file recording formats PCM is 48 KHz 16 bit WAV lossless stereo PCM format files are larger but have higher fidelity MP3 format file has good recording quality yet smaller capacity they can be copied to other players at any time 1 Long press on the lt FILE MENU gt button to enter setting menu 2 Click on the lt k d gt lt PPI gt button to select Recording setting and press the lt bIl gt button to enter 3 Click on the lt k 4 gt lt PPi gt button to select Format and press the lt l gt button to enter 4 Click on the lt Ht gt lt P H button to select the desired recording format and press the lt I gt button to confirm 5 Click on the lt m gt button to return superior menu or click on the lt FILE MENU gt button to exit setting menu 25 Beijing InfoMedia Electronic Technology Co Ltd l fi t 4 Al Ig la RECORD St DADI AT E A fi AN 011 0 l ed 08 33 28 ARO MAM 00 5 01 LILFLILI 1 USER0001 WAY RECORDING FORMAT The file format sampling rates and bit rates of different recording formais are as follows RECORDING FILE FORMAT FORMAT PCM ST WAV 16bit 48KHz 1536Kbps area CA ti di HAST Stereo MP3 48KHz 320Kbps MOST Stereo MPs a
4. HOLD ON Keys are locked HOLD OFF Keys are unlocked Caution e HOLD ON will NOT affect the use of the switches on the rear side HOLD ON slide NOISE CUT button to ON to decrease noise e HOLD ON slide SPEED button to ON to start speed playback 14 Beijing InfoMedia Electronic Technology Co Ltd 4 SWITCH Long press to turn the recorder OFF and a short press to turn ON e LA ala gt r 3545 Gane LS il Cm A q a a A qf tah P If HOLD is in the ON position you cannot switch the LS50 ON or perform other operations screen shows HOLD Please slide HOLD to OFF and retry E E 3 15 Beijing InfoMedia Electronic Technology Co Ltd o DATE amp TIME a Please set up DATE amp TIME before the first use or following a as reboot or long periods without use Setting correct system DATE amp A TIME will guarantee the accuracv of record time during recording 1 Vou can check current time during recording ee EN FILE MENG Pil e VOL 1 Long press on the lt FILE MENU gt button in STOP mode to enter voL the settings menu i 2 Click lt kK d gt lt PPI gt buttons to select System Setting and press q y lt bIl gt button to enter 3 Click lt Htd gt lt B P1 gt button to select DATE TIME and press lt bIl gt button to confirm fa 4 Click lt M gt lt bbl gt buttons to select desired DATE amp TIME 2011 01 01 information click
5. Vou can trv the following instructions to troubleshoot problems Please contact to our after sales service department if the problems continue FAULT PHENOMENON CAUSES AND SOLUTION Cannot Boot Wrong battery polarity Correct polarity Low battery install new batteries HOLD ON Switch to HOLD OFF and reboot Speaker Doesn t Work Lowest volume is set increase the volume Headphone inserted When inserting headphone speaker stops working automatically Pulling out headphone connector allows the internal speaker to work again The option SPEAKER in System Setting is OFF Set the option ON When Inserting Headphone Headphone failure The headphone doesn t Change a headphone 64 Beijing InfoMedia Electronic Technology Co Ltd Please insert headphone to the bottom of jack Delete some files or format disk increase record gain and record again Automaticallv Record pauses automatically when level is below VOR trigger level Low Volume of Recorded Some audio details cannot be heard due to low volume File Turn up volume Gain too low when recording causes level of recorded file to be too low External software may be used to enhance recorded level Please be careful to use a suitable record gain in future Recorder Stop Functioning Normally This may be caused by battery contact fault or low battery reserve The LS50 may
6. l gt BUTTON TO SECLECT THE DESIRED FILE 3 START PLAYBACK Click on the lt pii gt button to playback the file 4 PAUSE PLAYBACK Press lt pil gt to pause during playback process Press lt bil gt again to continue playback 5 STOP PLAYBACK Press lt m gt to stop the file playback Note Some WAV MP2 MP3 and WMA files having specific formats may not playback 34 Beijing InfoMedia Electronic Technology Co Ltd 6 PREVIOUS TRACK NEXT TRACK Press lt Htd gt to skip to the start of the previous track Press lt PPl gt to skip to the start of the next track Note If you added bookmarks click lt l d gt lt bDPl gt button to jump between bookmarks 7 REWIND FORWARD Press lt k d gt without letting go then release button to stop rewind Press lt P1 gt without letting go then release button to stop forward Note LS50 keeps PLAYBACK status when rewind forward during PLAYBACK mode LS50 keeps PAUSE mode when rewind forward under PAUSE status Rewind Forward cannot work across tracks 35 Beijing InfoMedia Electronic Technology Co Ltd 3 ADD BOOKMARKS DURING PLAVBACK Bookmarks can help vou to note important points in files so that vou can jump to them quickly during playback Each recorded file in the LS50 can have up to 3 bookmarks You can add bookmarks during record and playback processes ADD BOOKMARKS 1 Click the lt k lt gt lt bPt gt button to select the
7. 3 If you don t need to delete the file please select CANCEL at OTEP 2 44 Beijing InfoMedia Electronic Technology Co Ltd This chapter introduces the use of the settings menu in detail You can set all record playback and svstem settings through the settings menu 45 Beijing InfoMedia Electronic Technology Co Ltd 1 OPERATIONAL APPROACH 1 Enter menu FILE MENU Long press lt FILE MENU gt button to enter setting menu in STOP mode Long press lt FILE MENU gt button to enter playback setting in PLAYBACK mode 2 Up down through menus Click lt PPI gt and scroll up to browse menu options Click lt Ht gt and scroll down to browse menu options 3 Enter this option Click lt PPI gt to select option and press lt p gt to enter 4 Set up parameter Click lt PPI gt to set up parameter and press lt bIl gt to confirm When adjusting DATE 8 TIME please use the lt VOL gt button to change the settings 5 Exit menu Click lt m gt to back step through the menu Click lt FILE MENU gt to exit and return to STOP mode m LANTTI 46 Beijing InfoMedia Electronic Technology Co Ltd 2 OPTIONS Recording setting Format Set recording format PCM ST PCM Stereo Recording Mode PCM MOJ PCM Mono R Recording Mode HQ ST MP3 HQ Stereo Recording Mode MQ ST MP3 MQ Stereo Recording Mode LQ ST MP3 LQ Stereo Recording Mode HQ MO MP3 HQ Mono Recording Mode MQ MO MP3
8. If you supply power unnecessarily to a microphone it may cause noise during the recording and reduce battery life 30 Beijing InfoMedia Electronic Technology Co Ltd 10 NOISE CUT Turn on NOISE CUT to decrease low frequency noise during record Low frequency noise for instance could be the low frequency sound of the wind or the num noise from an electrical device 1 Turn NOISE CUT on the rear side to ON ON Turns on NOISE CUT OFF Turns off NOISE CUT 2 Click the lt 6 gt button to start recording The top of screen displays E7 indicating NOISE CUT filter is on 3 Long press on the lt m gt button to stop If you need to turn off NOISE CUT please select OFF in Step 1 Note NOISE CUT can filter low frequency noise It doesn t influence common frequency sounds such as human voices animal noises and musical instrument performances NOISE CUT has a high fidelity effect NOISE CUT can only filter low frequency element from the noise of the wind but cannot filter out completely the sound of the wind ALAN A ALNE T 0 ku L l 4 d bal i al F W q Lo 4 Il Beijing InfoMedia Electronic Technologv Co Ltd The LS50 supports WAV MPEG l laver II MP2 MPEG l laverllI MP3 and WMA playback formais There are various kinds of built in plavback functions with specific signal processing abilitv which can guarantee reproduction consistent with the originals during plavback Abu
9. RECO AME ARO i GA e ee ee es A UP E ee D a e01 LO eee IA en 8 a e sir O wi e AJ t 9 NT a pa ISEROORI WAY ad 12 11 10 but VOR AGC cannot be turned on together D Folder iu 4 Input Devices E Folder lil Built in MIC MUSIC Folder Ml External MIC 6 USB Line Input Bill The LS50 doesn t 5 Current Folder allow charging via A Folder USB B Folder El 7 Battery C Folder 8 Current Date amp Time 19 9 Recording duration 10 File name 11 Pause time of record 12 Recording file format 13 Bookmarks 14 Run status Record O Pause J Stop je 15 Level meter Beijing InfoMedia Electronic Technologv Co Ltd 2 BASIC OPERATION 1 CHOOSE RECORDING FILE FORMAT Click lt FILE MENU gt button a list of folders will pop up Click lt k d gt lt PPI gt buttons to choose the target folder and click lt I gt to confirm Click lt m gt or lt FILE MENU gt button to exit 2 START recording Point the microphone towards the sound source Click lt 6 gt button to start recording If screen status icon display and the recording LED is on this indicates recording is under way 3 PAUSE Click lt i gt button to pause Click lt pil gt button again to continue to record 4 STOP Long press lt m gt button until recording stops Caution Please check the batteries before recording to make sure that recorder has enough battery powe
10. Recording time will vary with different recording formats and differences in the battery capacities lt may be necessary to set DATE amp TIME before the first use reboot or after long periods without use Recording will stop and automatically save the audio file if the battery voltage gets too low during recording Tm iiis a PA aa i kima em PER mu em Ta al an r l Tala i kal i ta Rm A ie a 2 ei A mm O m Gee a nas 1 O ku j r ed ay al e Pa rali Mili teca Ma A E En e 12 Beijing InfoMedia Electronic Technology Co Ltd Batterv Level Indication Em Dry or rechargeable battery Removing batteries 1 Slide open the battery compariment cover 2 Take out 2 AA batteries 3 Close the battery compartment cover Warning When recorder is not to be used for an extended period please remove the batteries to avoid erosion resulting from liquid leakage e Please make sure that the 2 batteries are of the same type and model Do not mix new batteries with semi used batteries which mav lead to the damage of the recorder 13 Beijing InfoMedia Electronic Technology Co Ltd 3 HOLD Sliding HOLD to ON will lock all keys to prevent activation of the keys accidentally during recording or playback Once the keyboard is locked it doesn t work no matter what keys you press the screen will show HOLD To UNLOCK the LS50 please slide HOLD to OFF
11. are Apple Computer Inc s registered trademarks in America and other countries Pentium is Intel Corporation s registered trademark Other trademarks and registered trademarks are owned by their respective companies l Beijing InfoMedia Electronic Technologv Co Ltd This chapter introduces each part of LS50 and some useful tips along with several preparatorv operations such as installing batteries power on off and time date setting etc 8 Beijing InfoMedia Electronic Technology Co Ltd 1 PARTS DESCRIPTION 1 BUILT IN MIC LEFT CHANNEL 2 BUILT IN MIC RIGHT CHANNEL 3 LCD SCREEN 4 RECORDING LED 5 DISP DEL kev 6 FILE MENU kev 7 MARK kev 8 REC button 9 PAUSE button 10 FORWARD button 11 PLAYBACK button 12 REWIND button 13 VOL rocker switch 14 A B selector 15 POWER button Beijing InfoMedia Electronic Technology Co Ltd 10 Beijing InfoMedia Electronic Technology Co Ltd Notes 1 2 The LS50 uses high sensitivitv differential microphones which ensure excellent recording 3 4 E 11 12 13 128 x 64 resolution LCD display Click the lt DISP DEL gt button to show more file information during playback A long press of the lt DISP DEL gt button enters the delete menu enabling files and bookmarks to be deleted Click the lt FILE MENU gt button to enter the folder list in STOP mode A long press of the lt FILE MENU gt button enters the settings men
12. crash Take out batteries and replace them with 2 new batteries and retry Disk or system error Recover system setting and format disk No file in recorder ob00 00 00 00 00 00 lf there is no file in recorder time information cannot be displayed In the playback process Recording setting and System Setting are not adjustable so the menu will only display Playback Setting 65 Beijing InfoMedia Electronic Technology Co Ltd 66 Beijing InfoMedia Electronic Technology Co Ltd 1 SPECIFICATIONS GENERAL 94dB bandwidth 20Hz 22KHz ASA A weighted SNR MIC channel 90dB Mic input 19dB Pre amp A D 20Hz to 22KHz ASA A weighted Dynamic range Line in gt 90dB MIC EIN gt 122dB A weights PHYSICAL Weight 71g without batteries Dimensions 133 3 L 40 6 W 18 6 H mm Operating temperature 0 70 C Operating humidity 20 80 67 Beijing InfoMedia Electronic Technology Co Ltd INPUTS amp OUTPUTS MIC filter MIC Max Gain MIC Min Gain Headphone Max outputs Built in MIC MIC IN LINE IN Stereo headphone output USB POWER SUPPLY Battery 2 x AA dry or rechargeable batteries Mini USB jack 170mW 68 Beijing InfoMedia Electronic Technology Co Ltd 2 SAFETV STATEMENT Product Safety Do not place any heavy item on the recorder Do not drop the recorder or accessories Do not use the LS50 in very wet environments
13. file 2 Click the lt pil gt to start playback 3 Click the lt MARK gt button to add bookmarks Each click of the lt MARK gt button the bookmark number in the left corner of the screen will increment by 1 4 Click the lt m gt button to stop Note The minimum interval of adding bookmark is 1 second please do not add bookmarks too rapidly Clicking the lt MARK gt button while in STOP mode will add a bookmark at the beginning of the file MARK o Tee 3 4 PLAY 111 f 4 ne m t RU NINININI OS G EX z i SPSS eee ee ee eee ee eee FT eee ee ee eee eee c0 1 0 l 22 053023 FUFTFI 00 0 1 0 UU i ie 1 USEROOO1L WAY TOTAL BOOKMARKS IN FILE 36 Beijing InfoMedia Electronic Technology Co Ltd delete bookmark 1 Long press on the lt DISP DEL gt button to show the delete popup menu 2 Click on the deeo Dbl button to select Delete bookmark and press the lt bIl gt button 3 Click the lt i d gt lt bbl gt button to select OK and press the crib button All the bookmarks in folder will be deleted DISP DEL lj Notes Click Delete bookmark to delete all the bookmarks After deleting you can add bookmarks again according to your requiremenis After a bookmark is generated it generates a file with same file name in the same folder as the original file The suffix is MAK eg USER0001 MAK If this
14. x EQ NORMAL RECORDING LIGHT ON BEEP OFF SPEAKER ON 52 Beijing InfoMedia Electronic Technology Co Ltd BACKLIGHT SETTING 30 seconds AUTO POWER OFF Never shut down BATTERY TYPE Dry battery RECOR Folder D A LEVEL 15 VOL 28 Note System settings can only be accessed in STOP mode Long press of the lt FILE MENU gt button in STOP mode to enter settings menu Settings menu includes Recording setting Playback Setting and System Setting 53 Beijing InfoMedia Electronic Technology Co Ltd This chapter covers how to use transfer data in detail and using the LS50 as mobile mass memory 54 Beijing InfoMedia Electronic Technology Co Ltd 1 SYSTEM AND HARDWARE REQUIREMENT SVSTEM REQUIREMENT Please connect LS50 to the computer installed with the following systems Windows operation svstem Windows XP Windows Vista Windows 7 Macintosh OS svstem It mav be necessarv to install a special driver program if using Windows 98 or Windows 2000 operating svstem When connected for the first time the svstem displavs new hardware automaticallv and it appears as a removable disk If it does not appear it is recommended to verify USB settings in CMOS or re install the operating svstem HARDWARE REQUIREMENT USB connector USB cable 55 Beijing InfoMedia Electronic Technology Co Ltd 2 FOLDER STRUCTURE The LS50 has 6 built in default folders they are Folder A Fol
15. MQ Mono Recording Mode LQ MO MP3 LQ Mono Recording Mode Set up AGC ON or OFF OFF Turn off AGC ON Turn on AGC Set up VOR ON or OFF OFF Turn off VOR L Sensitivity Turn on VOR Higher volume needed to start recording M Sensitivity Turn on VOR moderate volume needed to start recording H Sensitivity Turn on VOR lower volume needed to start recording 47 Beijing InfoMedia Electronic Technology Co Ltd MIC Power Set up microphone power supply ON or OFF OFF Turn off microphone power supply ON Turn on microphone power supply Hint Recording settings can only be made before recording in the STOP mode changes are not possible during record Long press lt FILE MENU gt in STOP mode to enter settings menu which includes Recording setting Playback Setting and System Setting AGC and VOR cannot be used at the same time If one of them turns on the other cannot be used 48 Beijing InfoMedia Electronic Technology Co Ltd Plavback Setting Set up the repeat mode Sequency Playback the files in order until the last one Then playback stops Loop one Repeat the file Loop Repeat all the files in folder 0 5 x 0 6 x 0 7 x 0 8 x 1 0 x 1 2 x 1 4 x 1 6 x 1 8 x 2 0 x Normal Classic Fullbass Jazz Pop Rock Dance Hint Playback Setting can be changed in STOP and PLAYBACK modes Long press lt FILE MENU gt button to ente
16. USER MANUAL LOTOO LS50 CONTENT MAN o ATOUR E eee LS50 STANDARD PACKAGE cceeeeeeeeeeeeeeeeeeeeaaeees IMPORTAN Ta 1 SETUP 2 RECORD 1 RECORDING WINDOW 2 BASIC OPERATION 3 ADDING BOOKMARKS DURING RECORDING AEE VE E ane eee 5 AUTOMATIC GAIN CONTROL AGC Lee 6 CHANGE RECORDING FORMAT 7 STEREO OR MONO RECORDING Beijing InfoMedia Electronic Technology Co Ltd 8 VOLUME OPERATED RECORDING VOR 9 MICROPHONE POWER SUPPLY TONO Rep 3 PLAYBACK 1 PLAYBACK WINDOW mnn nn nnnnnnnnnrnnnnnnnn nn 2 BASIC OPERATION wi u we 3 ADD BOOKMARKS DURING PLAVBAGCK AB REPE DDD Da DD De io a iene 4 MENUS 1 OPERATIONAL APPROACH nn 2 OPTIONS ir eee ee 5 TRANSMIT DATA 1 SYSTEM AND HARDWARE REQUIREMENT 2 FOLDER STRUCTURE Beijing InfoMedia Electronic Technology Co Ltd SPLE AN e ERR SR ERR O 6 TROUBLE SHOOTING 7 ADDITIONAL INFO 1 SPECIFICATIONS 2 SAFETY STATEMENT ica 69 miu Beijing InfoMedia Electronic Technologv Co Ltd MAIN FEATURES Linear PCM MP3 Recording modes Max WAV 48 kHz 16 bit PCM linear Monophonic or Stereo recording formats bring vou the ultimate audio experience The LS50 also supports lots of MP3 recording and plavback formats and audio files can also be copied to other MP3 devices for plavback 40 HOURS EXTREMELV LONG RECORDING TIME The LS50 provides 40 hours of
17. ck lt FILE MENU gt to exit the setting menu 6 Set lt SPEED gt to ON and turn on PLAYBACK SPEED ON SPEED PLAYBAKC turns on OFF PLAYBACK SPEED turns off ita EG RS 40 Beijing InfoMedia Electronic Technology Co Ltd 7 Click lt bIl gt to playback Playback status icon on screen prompis to speed playback Status icon displays E gt gt P gt D P D gt P p p gt 8 Click lt m gt to stop Hint During playback mode long press lt FILE MENU gt to enter Playback Setting to adjust Playback Speed When playback speed is 1 0x it shows that speed playback speed is on but the playback speed doesn t change _4 PLAY E TT a O EIT 10 10 10 01 20 00 STS fu IL USER0001 WAY PLAYBACK SPEED Beijing InfoMedia Electronic Technology Co Ltd 7 EQ There are various built in EQ possibilities in the LS50 Appropriate Brom EQ sounds mellow and make sound effects better jan EQ modes in the LS50 are Normal Classic Fulloass Jazz Pop US Rock and Dance Vil 1 Long press lt FILE MENU gt to enter setting menu E 2 Click lt H4 gt lt bbl gt to select Playback Setting and press lt pi gt to FILE MENL1 i enter 3 Click lt k d gt lt PPI gt to select EQ and press crib to enter 4 Click lt Htd gt lt D P1 gt to select EQ mode and press lt pii gt to confirm Optional EQ modes Normal Classic Fullbass Jazz Pop Rock Dance 5 C
18. continuous recording using 2 AA batteries 4 GB MASS STORAGE STRONG METAL CASING The metal casing is solid and durable while the matt surface finish brings not oniv an elegant look but is also comfortable to hold ADJUSTABLE RECORDING AND PLAVBACK FUNCTIONS NOISE CUT FILTER LEVEL AGC VOR FORMAT EQ 5 Beijing InfoMedia Electronic Technology Co Ltd LS50 STANDARD PACKAGE The LS50 standard package includes the following items When vou purchase the recorder please make sure that the package is complete USB Wrist strap Foam Windshield User manual disk LS50 Digital Recorder 6 Beijing InfoMedia Electronic Technology Co Ltd IMPORTANT Disclaimer All rights reserved Without the written approval in advance this manual and machine software whether in whole or in part cannot be copied translated nor compressed into computer readable data InfoMedia Electronic Technology Co Ltd is not responsible for incidents consequences or losses due to the violation of the IP rights InfoMedia Electronic Technology Co Ltd reserves the right to modify this manual and all the included information at any time without prior notification Trademarks Notices Lotoo is the registered trademark of InfoMedia IBM and PC AT are registered trademarks of the international business recorder company Microsoft and Windows are Microsoft Corporation s registered trademarks in America and other countries Apple and Macintosh
19. der B Folder C Folder D Folder E Folder MUSIC These 6 folders are displayed as A B C D E M The LS50 can identify audio files stored in these 6 folders and the root directory Non audio files stored in A B C IDI E M and sub folders cannot be recognized Other folders and internal files in the memory cannot be recognized SWITCH FOLDER 1 Click lt FILE MENU gt popup folder list will appear 2 Click the lt k d gt lt bPl gt button to select target folder click lt i gt to confirm 3 To escape without saving changes press clip or lt FILE MENU gt buttons to return to the STOP mode Note A B C IDI E M are default system folders Please note that when deleting these 6 folders they will automatically re create upon start up 56 E A l Pil FILE MENU gt ig 144 Dbi 4 i j 4 A USER0001 WAV USER0002 MP3 USER0002 MP3 USER0001 MP3 USER0001 MP3 Beijing InfoMedia Electronic Technology Co Ltd 3 FILE TRANSFER COPV RECORDED FILES TO A COMPUTER Vou can copv recorded tiles from the LS50 to a computer for back up storage 1 Turn on the LS50 2 Plug one end of the USB cable to the USB connector of the LS50 and the other end to the USB connector lt of the computer 3 The computer recognizes the mobile disk select the disk and click the left mouse button twice The 6 folders in the root directory of the LS50
20. file is deleted the bookmark corresponding to the file will also be deleted 37 Beijing InfoMedia Electronic Technology Co Ltd 4 A B REPEAT 1 Click the dee DPl button to select the file 2 Click on lt bIl gt to start playback 3 Playback to the start of the portion to be repeated click lt A B gt to set the start point A Screen displays A A 4 Playback to the ending of the portion to be repeated click lt A B gt NOS o ol button again to set up the B point Screen displavs A B p A B 5 Exit A B repeat mode Click the lt A B gt button at third time exit A B mode and continue to playback the file Click the lt m gt button to exit A B repeat mode and stop playback A B REPEAT Note la Rewind Forward works normally under the A B repeat mode ES g You cannot use A B repeat mode across tracks 20 1 0 l 33 0 10 in You can pause playback while in A B repeat mode MAMMA i 01 21 01 AMA 4 2 USER0001 W AY 38 Beijing InfoMedia Electronic Technology Co Ltd 5 REPEAT MODE You can set the playback mode to three modes Sequency Loop One or Loop 1 Long press on the lt FILE MENU gt button to enter setting menu 2 Click lt K d gt lt PPI gt to select Playback Setting and then press the lt bII gt button to enter 3 Press lt HMtd gt lt D Pl gt to select Repeat and press lt b gt button to enter 4 Press lt i4 lt gt lt bbl gt gt
21. itor the audio quality during the recording process and adjust the LEVEL accordingly billi EVELH Hd LEVEL RECORDING LEVEL RECORD ta aw II I Pe PERMEIA EEE Eu I l D 22 og 3328 B MINNI DoS 0 LLP USEROOOLVWAY 23 Beijing InfoMedia Electronic Technology Co Ltd 5 AUTOMATIC GAIN CONTROL AGC The AGC will adjust gain automatically according to the volume of sound source If the volume of sound is weak AGC increases the gain automatically When the volume of sound is loud AGC reduces gain so that recording level will not exceed limits to avoid distortion 1 Long press the lt FILE MENU gt button to enter the setup menu 2 Click the lt i d gt lt bbl gt button to choose Recording setting and click the lt pil gt button to enter 3 Click the lt k d gt lt PPI gt button to choose AGC and click the lt gt button to enter 4 Click the lt I d gt lt bbl gt button to choose ON and click lt btl gt button to confirm OFF Turns off AGC ON Turns on AGC 5 Click the lt m gt button to return to previous menu or click the lt FILE MENU gt button to exit setting menu 6 Click the lt 6 gt button to start recording When AGC is used manual LEVEL adjustments will not work 7 Long press on the lt m gt button to stop recording If you need to turn off AGC please choose OFF in Step 4 24 Beijing InfoMedia Electronic Technology Co Ltd
22. lick lt m gt to return superior menu or click lt FILE MENU gt to exit setting menu 6 Click lt bIl gt to playback Screen displays EQ mode qm 7 Click lt m gt to stop playback 42 Beijing InfoMedia Electronic Technology Co Ltd 8 USE SPEAKER OR MICROPHONE USE BUILT IN SPEAKER AND LISTEN TO RECORDINGS Al Set the Speaker option to ON in the System Setting menu o x7 remove the 3 5mm headphone connector Record or music plays i i through built in speaker lb SPEAKER T USE MICROPHONE AND LISTEN TO RECORDING Insert 3 5mm microphone to headphone connector lt gt built in speaker is automatically switched off 43 Beijing InfoMedia Electronic Technology Co Ltd 9 DELETE FILE 1 Long press lt DISP DEL gt button to show the DELETE MENU 2 Delete the file A E Click lt i lt gt lt bPl gt to select Delete the file and press lt pil gt button N Click lt k d gt lt PPI gt button to select OK and press lt gt button to confirm b Delete all the files in the folder E Click lt Ht4 gt lt D P1 gt to select delete files in the folder and press DISP DEL 35 a cbib button TI eta bb Click lt k 4 gt lt PPI gt to select OK and press lt b gt to confirm i Delete bookmark 5 Click lt k 4 gt lt PPI gt to select delete bookmark and press the lt p gt J button Click lt k 4 gt lt PPI gt to select OK and press lt pil gt to confirm
23. lt VOL gt lt VOL gt buttons to set value and press 12 39 25 lt bII gt button when setting is completed 5 Click lt m gt button to return to the main menu or click lt FILE MENU gt button to exit Note Time and date information will be kept while you change batteries 16 Beijing InfoMedia Electronic Technology Co Ltd DISPLAY DATE amp TIME Recording RECORD L orboedettumenatettonziojil tk CISSA ri e 00 51 01 ALLA l DD USEROO01 WAY G U 201 EO Fes tii q IT a Note Creation time of recorded file is the initial recording time Current time PLAY fii MW Plavback or Pause UU U gt wijt iiiaio Ue a dida ida 20 1 0 l 35 Tid JA Tag File creation time MINNN 00 01 01 LISIS 4 02 USER0001 WAY The creation time of external files or music not recorded by the LS50 is stored as file attributes 177 Beijing InfoMedia Electronic Technology Co Ltd The LS50 has many recording functions including various PCM MP3 recording formats manual amp automated gain control VOR NOISE CUT and so on The LS50 can be adapted to any recording situation This chapter explains in detail how to record 18 Beijing InfoMedia Electronic Technology Co Ltd 1 RECORDING WINDOW 1 Current Status Record Pause Stop 2 Noise Cut NOISE CUT active this symbol appears 3 VOR AGC This appears when turning on VOR AGC CAT NTT JO aaa F
24. n switch to record mode automaticallv The LS50 stops recording automaticallv when sound level drops below a certain pre set level When the sound level increases again it restarts recording VOR can save storage space and compress recording content 1 A long press on the lt FILE MENU gt button to enter setting menu 2 Click the lt k d gt lt bbl gt button to select Recording setting and press the lt bIl gt button to enter 3 Click the dee DDl button to select VOR and press the crib button to enter 4 Click on the lt lit lt d gt lt bPl gt button to select sensitivity level and press the lt bIl gt button to confirm OFF Turn off VOR L Sensitivity Turn on VOR and sensitivity is set to low M Sensitivity Turn on VOR and sensitivity is moderate H Sensitivity Turn on VOR and sensitivity is high 5 Click on the lt m gt button to step backwards in the menu or click the lt FILE MENU gt button to exit 6 Click lt 6 gt button to start recording _ 28 FILE MENU a RECORD VOR L BU DOOU OOOODOOO ONNA NNI Bo EE AIR AAA 1 0 l 22 08 33 28 CD rnin 0051 01 LILI USER0001 WAY Beijing InfoMedia Electronic Technology Co Ltd When the top of the screen displavs VOR this indicates that VOR is active 7 VOR stop recording If sound volume is lower than the pre set level for 10 seconds recording will stop and the LS50 returns to PAUSE RECORDING so tha
25. ndant EQ can add more colour to vour music This chapter explains how to use the various plavback functions 32 Beijing InfoMedia Electronic Technology Co Ltd 1 PLAVBACK WINDOW Click on the lt DISP DEL gt button to check the information concerning the file format 1 2 3 4 567 15 16 17 En ECN ESE 14 E E e ri en ed BOI Inte des 8 l 0 l 22 09 38 29 13 rir tig je ASIN ide KHz 0 05 01 ILHA LILI Nadir IB I I AKEPSI 12 isl2 3 WAY l 42 frades away 11 10 19 18 1 Current Status 6 USB Playback Jj Play ENA 7 Battery Pause ll Pause 8 Creation DATE amp TIME Stop E Stop 9 Playback Time Speed playback ft fe 2 EQ 10 File Name 14 Record Level Meter 3 Cycle Playback 11 File Time 15 PCM MP3 Format Single cycle 4 12 Bookmark number has been 16ST MO All cycle read 17 Sampling Rate 4 A B Repeat Total bookmarks 18 Bit Rate 5 Current Folder 13 Run Status 19 Bit Width 33 Beijing InfoMedia Electronic Technology Co Ltd 2 BASIC OPERATION 1 SELECT THE Folder There are 6 built in folders in the LS50 named Folder A Folder B Folder C Folder D Folder E and Folder MUSIC Click on the lt FILE MENU gt button and the folder list appears Click on the lt kK d4 gt lt PPI gt button to select target folder press the lt bII gt button to confirm Click lt m gt or lt FILE MENU gt buttons to exit 2 CLICK ON THE lt Hd gt lt D
26. ops Caution The minimum interval between bookmarks is 1 second please do not click the lt MARK gt button in rapid succession You can add bookmarks again after they have been deleted After adding a bookmark to a file it generates the file with same file name in the same folder The suffix of this new file will be MAK i e USEROOO1 MAK If this file is deleted the bookmark s corresponding to the file will also be deleted E 9 4 pa SI 1 MARK if a RECORD OD METI a ne PATEL AN 011 0 1 0 08 08 08 i MINNN 1 00 51 01 LILFLILI 1 EU USEROOO1 WAW La e BOOKMARKS IN CURRENT FOLDER 22 Beijing InfoMedia Electronic Technology Co Ltd 4 LEVELS When large input gain is used i e the input signal level is verv low the LS50 can amplify the sound level of the recorded file effectivelv thanks to the qualitv of the preamplifiers However larger input gain increases the background noise simultaneously which will affect the overall recording quality 1 Click lt 6 gt button to start recording 2 Click lt bbl gt button LEVEL to increase input gain during recording process Click cit button LEVEL to decrease input gain during recording process 3 Long press lt m gt button to stop Caution You cannot use the LEVEL controls when the AGC is active Please make sure that AGC is OFF We recommend that you use headphones to mon
27. ow Power Batteries are exhausted RR A HOLD HOLD ON E enano ent sedia O Failed to record System error Reinstall default settings and format disk Failed to open work folder Disk or system error Turn off recorder reboot and retry If problem prevails re format disk Failed to scan file Disk or system error Turn off recorder reboot and retry If problem prevails re format disk 61 Beijing InfoMedia Electronic Technology Co Ltd Too many files in current The LS50 can read the first 1000 files in any folder folder Delete some files Failed to open file File is damaged ent o rmaeussond OOO Low free space Internal memory is full Delete some files Disk Error and power off Error occurs E mma Format Failed Problem occurs when formatting disk Cannot complete formatting Please retry formatting If problem continues use a computer to format disk Retry to adjust LEVEL or set VOR after cancelling the AGC function Retry to open AGC after cancelling VOR function The file can t set AB Some WMA files do not support A B repeat mode The file can t mark some WMA files cannot accept bookmarks 62 Beijing InfoMedia Electronic Technology Co Ltd Gan t set speed with WMA WMA files cannot use speed playback feature Can t set EQ with WMA WMA files cannot use EQ selection 63 Beijing InfoMedia Electronic Technology Co Ltd 2 FAQ
28. r SETTINGS MENU in STOP mode SETTINGS MENU includes Recording setting Playback Setting System Setting Long press lt FILE MENU gt button to enter Playback Setting in PLAYBACK mode Playback Setting includes REPEAT Playback Speed EQ 49 Beijing InfoMedia Electronic Technology Co Ltd DATE 8 TIME Recording Light Speaker Svstem Setting During the recording process screen displays DATE amp TIME This sets the master svstem clock Set recording light ON or OFF OFF During recording record LED is OFF ON During recording record LED flashes Beep is the sound when you press any button You can turn ON or OFF the beep function using this option OFF Turn off beep ON Turn on beep Notes The beep tone can only be heard through headphones Set up built in soeaker ON or OFF OFF Internal speaker OFF ON Internal speaker ON Note Built in speaker will be cut when headphones are connected 50 Beijing InfoMedia Electronic Technology Co Ltd Screen Timeout ShutDown Timeout Batterv Type Set the display backlight ON or OFF NEVER Screen backlight remains ON permanentiv 10 SECONDS Screen backlight goes off automatically after 10 seconds 30 SECONDS Screen backlight goes off automatically after 30 seconds 60 SECONDS Screen backlight goes off automatically after 60 seconds Note Pressing any key will re light the display for the
29. r to record normally 20 Beijing InfoMedia Electronic Technology Co Ltd Note The LS50 has 6 built in folders namely A B C D E and MUSIC folders You can choose any as the main storage folder the default folder of the recorder is Folder A Please select as necessary The LS50 doesn t allow new folder creation and it cannot recognize folders copied from a computer If you need to copy music files from a computer and listen to them on the LS50 please put the music files into root directory of 6 folders The LS50 can display the last 1000 record files The default file naming starts from USEROOO1 and increases by one each time record is selected it jumps automatically if a file name already exisis The names of files are arranged in alphabetical order The recorder displays the largest sequence number when starting or finishing the recording You can listen to the live recording through headphone during recording process adjust gain and other settings according to requirements 21 Beijing InfoMedia Electronic Technology Co Ltd 3 ADDING BOOKMARKS DURING RECORDING The LS50 allows bookmarks to be added during record or plavback Each file can have up to 3 bookmarks Click lt k d gt lt PPI gt button to jump quickly to the next marked position during playback 1 Click lt 6 gt button to start recording 2 Click lt MARK gt button once to add a bookmark during record 3 Long press lt m gt button until recording st
30. selected time period Set automatic shutdown time NEVER Never turn off the recorder 30 SECONDS Recorder turns off automatically after 30 seconds of no operation 60 SECONDS Recorder turns off automatically after 60 seconds of no operation 180 SECONDS Recorder turns off automatically after 3 minutes of no operation 300 SECONDS Recorder turns off automatically after 5 minutes of no operation Note When recorder is in RECORD PLAYBACK AND PAUSE modes automatic shutdown is inhibited Please set according to the current batteries being used so that the LS50 can display the correct remaining power accurately DRY BATTERY Choose this option when using 2 regular alkaline AA dry batteries RECHARGEABLE BATTERY Choose this option when using rechargeable batteries 51 Beijing InfoMedia Electronic Technology Co Ltd Disk Information Check total capacity available capacity and used capacity of the internal memory CAPACITY AVAILABLE USED Version Check software version hardware version and loader program version SOFTWARE HARDWARE LOADER Format Disk Formatting disk can delete all files in recorder rapidly Notes A B C IDI E M are system folders they will be re created after formatting system Reset Reset the following functions to their default values RECORDING FORMAT HQ ST AGC OFF VOR OFF MIC POWER SUPPLY ON REPEAT MODE Sequential playback Playback Speed 1 0
31. sk 256kbps LAST Stereo MPa 48khz 128kbps HOMO Mono Ms 4BKHz 128Kbps Mamo Moo mP ask GAKDDS lamo Mono mPa ask 32kbps The recording times are as follows RECORDING RECORDING TIME FORMAT 4G PCM ST About 5 hrs 45 m PCM MO About 11 hrs 30 m HQ ST About 27 hrs 26 Beijing InfoMedia Electronic Technology Co Ltd 7 STEREO OR MONO RECORDING The LS50 has high qualitv built in microphones that provide excellent recording sensitivitv The directivitv of the microphones can be adapted bv selecting MONO or STEREO operation 1 Change recording format and choose STEREO or MONO When recording a STEREO files vou can select several different formats Recording format such as PCM ST HQ ST MQ ST LQ ST When recording a MONO file you can select several monophonic recording formats Recording format such as PCM MO HQ MO MQ MO LQ MO 2 Click on the lt 6 gt button to start recording 3 Long press the lt m gt button to stop Note MONO recording is able to screen out some background noise and it is suitable for recording single source sounds such as journalist reporting STEREO record is able to capture more background sound and it is suitable for recording larger sounds such as music concerts meetings etc 27 Beijing InfoMedia Electronic Technology Co Ltd 8 VOLUME OPERATED RECORDING VOR Bv monitoring the input sound level the LS50 ca
32. t you can save disk space and reduce empty file content 8 Long press on the lt m gt button to stop If you need to turn off VOR please select OFF in Step 4 VOR SENSITIVITY The greater VOR sensitivity that is applied less level is needed to Start L Sensitivity More volume needed to start recording M Sensitivity Moderate volume will start recording H Sensitivity Less volume needed to start recording Note AGC will not work when VOR is on 29 Beijing InfoMedia Electronic Technology Co Ltd 9 MICROPHONE POWER SUPPLV Some external microphones require power to be supplied from the recorder The LS50 can provide 3V power to supply external electret microphones Please set this function when vou need to turn on the power supply 1 Long press on the lt FILE MENU gt button to enter setting menu 2 Click the lt k d gt lt bPl gt button to select Recording setting and press on the lt bIl gt button to enter 3 Click the lt k d gt lt PPI gt bution to select Mic Power and press the lt bIl gt button to enter 4 Click on the ddeo Dbl button to select ON and press the lt bil gt button to confirm OFF Turns off microphone power supply ON Turns on microphone power supply 5 Click on the lt m gt button to move backwards through the menu or click the lt FILE MENU gt button to exit If you need to turn off MIC POWER SUPPLY please select OFF in STEP 4 Note
33. to select cycle mode and press the crib button to confirm Sequency Playback all the files in the folder in order Then playback stops Loop One Repeat the file Loop Repeat all the files in folder 5 Click on the lt m gt button to move back through the menu or click lt FILE MENU gt to exit the settings menu 6 Click cbib to playback the file No icon when using Sequency Icon displays 14 under Loop One mode Icon displays under Loop mode 7 Press lt m gt button to stop FILE MEN 39 Beijing InfoMedia Electronic Technology Co Ltd 6 PLAVBACK SPEED Speed playback function of LS50 is based on specific digital processing svstem The function can change plavback speed naturally and keep the original sound at a time The tone doesn t increase or decrease noticeably so that the file sounds more natural and comfortable The adjustable range of speed playback is 0 5 to 2 0 times nominal 1 A long press on the lt FILE MENU gt button to enter setting menu 2 Click lt Htd gt lt D Pl gt to select Playback Setting and press lt pil gt to enter 3 Click lt K d gt lt PPI gt to select Playback Speed and press lt bIl gt to enter 4 Click lt l d gt lt bPl gt to select desired playback speed and press lt l gt to confirm Low speed 0 5x 0 6x 0 7x 0 8x High speed 1 2x 1 4x 1 6x 1 8x 2 0x 5 Click lt m gt to back step through the menu or cli
34. tton twice to open 4 Click on the file in the computer that you are trying to copy and then click the right mouse button select COPY 5 Select the folder in the LS50 and click the right mouse button 58 Beijing InfoMedia Electronic Technology Co Ltd select PASTE 6 Click the left mouse button on Safelv Remove Hardware in the lower right hand corner of the taskbar Click the left button Mobile Disk to disconnect the recorder and computer 7 Once completed remove USB cable Hint All 6 folders can be used to store recordings or audio files We recommend that you use M to store the copied audio files USING THE LS50 AS A MASS STORAGE Vou can use recorder as mobile mass storage The LS50 can communicate with your computer so that you can copy files from computer to the LS50 Hint Please refer to copv music in computer to LS50 and plavback while the recorder is communicating with computer 59 Beijing InfoMedia Electronic Technology Co Ltd This chapter introduces common system prompis solutions of error messages and how to solve FAQ 60 Beijing InfoMedia Electronic Technology Co Ltd 1 SVSTEM TIPS While using the LS50 some information tips or error messages mav appear Primarv causes and solutions are listed below Hint You can try the following instructions to troubleshoot the problem yourself Please contact to our customer support for additional information L
35. u When in PLAY mode pressing the lt FILE MENU gt button for a few seconds will enter the playback settings menu Click the lt MARK gt button to add bookmarks during recording or playback Click the lt W gt button to return to the previous menu Click the lt P gt button to scroll DOWN through the menus during browsing Click the lt I gt button to confirm the option or enter the highlighted submenu Click the dl button to scroll UP during browsing Click the lt VOL gt button to adjust the values in the DATE amp TIME setting menu The LS50 recorder uses 2 AA dry or rechargeable batteries Line in recording uses a special audio cable which is not delivered as a standard accessory in the package but can be ordered through the local supplier The LS50 recorder uses headphones equipped with a 3 5mm miniature jack connector 11 Beijing InfoMedia Electronic Technology Co Ltd 2 BATTERIES The LS50 uses 2 AA drv or rechargeable batteries The batterv tvpe can be chosen through BATTERV TVPE in the SVSTEM menu Please choose the correct batterv tvpe according to battery so that LS50 can display the correct remaining power level Installing batteries 1 According to the figure slide and open the battery compariment cover 2 Insert 2 AA batteries taking care of the correct polarity 3 Replace the cover Caution Up to 40 hours of continuous recording time is available using 2 high quality batteries
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