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aigo 
F155 MP3 PLAYER 
 
     USER’S MANUAL 
 
 
 
Thank you for purchasing aigo F155 MP3 Player! Please read all instructions in this User’s 
Manual before using the player. The contents are subject to change without any prior notice. 
 
 
 
 
Copyright Huaqi Information & Digital Technology Co., Ltd 2005 
TABLE OF CONTENTS 
Summary 
1. Features 
2. Warnings  
3. Accessories  
4. Player overview and function 
Basic Functions  
1. Power on /play /pause 
2. Power off 
3. Voice 
4. forwar
                    
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                        - 2 -  5. Firmware upgrade and format memory  6. Firmware   7. Uninstall MP3 management  8. Driver upgradeable and service  Other  1. Troubleshooting   2. FAQ  3. Specifications      1 -1.  Features  l Portable and stylish, with key lock function  l Supporting MP3, WMA, W AV files  l Built-in memory capacities: 128M/256M/512M/1G, up to 30/60/90/180 songs  l Graphic LCD screen with blue backlight, support multi-language ID3    l Supporting OS: Windows98/ME/2000/XP  l Low power consumption, playin
                    
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                        - 3 -  l To avoid damaging the unit, we strongly advise you to use Alkaline batteries.  * To avoid hurting your ears while listening, please adjust the volume properly.           1-3 . Packing list  This player includes the following accessories; please contact local venders if anything is  missing in the package.  1. MP3 Player Unit               1pcs  2. Earphone                     1pcs  3. USB Connection Cable          1pcs  4. Driver Disk                   1pcs  5. AAA Battery              
                    
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                        - 4 -      The power will be turned on when  PLAY/PAUSE button is pressed. aigo logo  with blue backlight will appear; the player will  automatically resume playing music.     Note: The Resume Function will be deactivated by adjusting setting 6-8.       total tracks repeat mode    current track key lock    A-B repeat   Battery indicator                 play/pause  playing time  EQ display    Volume level    track name/lyric    Songs/lyrics display  The music title will appear prior to ID3/TAG if
                    
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                        - 5 -          Press Fast Forward/next to select next track or    press it to fast backward the music        5. A-B Repeat/ adjust EQ    Segment repeat function (A-B) is available during playing by pressing the  A-B button at the start position and by pressing it again at the end  position, the segment will be played repeatedly; Press the A-B/EQ/REC  button to delete the section repeat.  Press the A-B/EQ/REC button to adjust EQ.          The EQ modes includes NORMAL/ROCK/JAZZ/CLASSIC/POP/USER  6
                    
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                        - 6 -    7. Key Lock  Push the Hold switch leftwards, it will be in lock mode. There will be an  icon  displaying on LCD screen. Move the switch right, it will unlock    the player, and  icon will disappear.     If you try to turn on the player when it’s locked, the LCD will display prompt message; you  must unlock it before turning it on.    3- 1. Main Menu    Press Fast Backward / Forward to  select item in the menu      Press Mode Button to enter, press  and hold the button to exit.        me
                    
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                        - 7 -    Press Mode to stop recording and it will be in play recording mode.       Note: The recorded files will be automatically named as V001.W AV/V002.W AV….  3- 3 Stop Watch  Press Fast Backward/Next to start stopwatch timer.  Press Fast Backward/Previous to stop timer; press it again to  restart stopwatch timer.    Press Fast Backward/ Fast Forward to choose a file, then press  A-B to confirm. The closed folder icon will turn into an open  folder icon ( → ) . All the music files stored in t
                    
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                        - 8 -    EQ    USER EQ    Play mode    Contrast    Backlight    Shutdown    Sleep off    Language    Sample rate    6-8 setting    Resume    Lyrics    synchronous    LOGO    Software    Version    Hardware    Version    Disk check    Exit      1) EQ   You can select different EQ modes according to the music. This function is detailed  above in the corresponding section.  2) User EQ  There are 5 frequency points in User EQ: 80Hz/ 250Hz/ 1Hz/ 4Hz/ 12Hz.     Press Fast Backward/ Fast Forward until 
                    
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                        - 9 -  * Note: 1. The player will not shut down while it is in file management and recording state  7) Sleep off mode    There are 7 different modes: 1min, 2min, 5min, 10min, 30min, 60min and disabled. The  player will be turned off automatically after the defined period of time.  8) Language    The language for the ID3 display can be chosen between English or other languages  available.  9) Sampling Rate   You can adjust the sampling rate for microphone recording and.   -Microphone recording:  
                    
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                        - 10 -        3- 8  Return  Press the Mode Button in order to return directly to the status of Music, voice you last left.     4- 1. System requirements  ® TM  Microsoft  Windows 98 SE/Me/2000/XP  ®  Microsoft  Internet Explorer 4.0 or higher  ®  Pentium 100MHz or faster   CD-ROM drive   USB port   20MB available hard disk space  2. Installation of Manager Software    Before installing, please close the application programs on your computer. You should  click the “Next” button on the screens or 
                    
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                        - 12 -                               Click the Start button to let begin the upgrade.   If you select Format files, click Start: The hardware begins to upgrade, and the files are being  formatted simultaneously. Please copy all the files important to you before formatting.   Caution: Please do not use the Windows formatting program.    4-6 Firmware Recover  If there should occur some error in the functioning of the player, please do the following:   1) Shut down the player.   2) Connect the USB 
                    
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                        - 13 -                                    4) Firmware  If your operating system is WIN XP, the system will detect the player as a new  hardware. If you want to install Sigmatel MSCNSM Audio, please do so  according to the steps described above for the Player Recover Device software.  5) Disconnect the USB cable.  6) The above steps executed, the player will recover normally.  4- 7 Uninstall MP3 Manager   Run in the Aigo Manager program group, choose Confirm in the dialog box.   The manager softw
                    
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                        - 14 -  reliable.  5-1 Trouble Shooting  * The LCD display shows nothing after the player has been turned on.     Check if the battery has been inserted.   Check if the battery needs to be replaced.   Try to reinsert the battery or replace it.  Take out the battery and insert it correctly after 5 seconds.   * There is no sound while MP3 files are being played.    Check if the volume is too low and turn it up.  Check if there is any music file in the memory.  * You cannot download music files.  I
                    
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                        - 15 -    Model Name aigo MP3 F155  Built-in  128M/256M/512M/1G Flash Memory  Memory  Battery and  1 Size AAA Battery for 10Hours or More  Life  Earphone   Max.7 MW x 2/32 ohm  Output  Placing  20~20KHz  Frequency Range  S/N ≥85dB  Communication  USB port  Interface  Size 79 x 27 x 21 mm  Weight 25g