User’s Guide
2
COPYRIGHT NOTICE 
General
Illegal distribution of this Manual in part or whole is prohibited.
•  iAUDIO is a registered trademark of COWON SYSTEMS, INC.
•  This product is for home use only and should not be used for commercial purposes.
•  The copyright for all contents in this manual belongs to COWON SYSTEMS, INC.
 
•  The copyrights for JetShell and JetAudio belong to COWON SYSTEMS, INC. and these products 
cannot be distributed for commercial use without the written consent of COWON SYSTEMS, INC. 
•   MP3 files created with the MP3 conversion feature of JetShell and JetAudio are for personal use only 
and not to be for commercial purposes. Disobedience of this restriction will be in direct violation of 
international copyright law.
•   COWON SYSTEMS, INC. is in compliance with all record/video/game related laws and regulations. 
Users also are responsible for conforming to the relevant codified laws.
•   We  recommend  our  customers  to  register  at  http://www.iAUDIO.com  as  an  official  customer  to 
receive specialized iAUDIO services. When you complete the proper customer registration form, you 
can receive various benefits offered only to regular members.
•   Various examples, drawings and pictures contained in this Manual are subject to change without prior 
notice whenever improvements are made to product features. 
BBE Related
•  iAUDIO is produced under the license of BBE Sound, Inc.
•  BBE Sound, Inc. has the licensing rights for BBE by U.S.PATENTS: 38258, 5510752 and 5736897.
•  BBE and the BBE symbol are registered trademarks of BBE Sound, Inc..
All rights reserved by COWON SYSTEMS, Inc. 2004
iAUDIO M3
Table of Contents
3
1. iAUDIO
What is iAUDIO? 
Package Components 
Features and Specifications 
Names of Parts 
Using AC Power Adapter /USB Connection 
Summary of Status by LCD Display/LED Lights 
Basic Usage 
Simple Usages by Mode 
Detailed Features by Menu 
Terminology 
Troubleshooting 
Using Buttons 
Menu Table 
2. JetShell
What is JetShell? 
Connecting iAUDIO and Installing JetShell 
Configuration of JetShell 
Spectrum Screen and Sound Effects 
Downloading MP3 Files onto iAUDIO 
Deleting MP3 Files from iAUDIO 
Formatting  Memory 
Converting Audio CD Tracks to MP3 Files and Transferring Them to iAUDIO 
Converting Various Files 
Miscellaneous Functions 
Installing and Using JetAudio 
Upgrading Firmware
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iAUDIO M3
4
Precautions for Use
Do not use this product for 
purposes other than those stated 
in this User’s Guide.
Take care not to cut your 
hands when handling 
the product box, User’s 
Guide, or components.
Do not expose the product to 
water or keep it in a damp or 
humid place for long periods. 
If this happens, it is categorized as a 
product failure by submersion. You 
cannot receive free warranty services. 
Furthermore, service or repairs may 
be impossible and you may not be 
able to use the product any more.
Pay attention to the USB cable’s 
direction when connecting this 
product to a PC. If you connect the 
USB cable in the wrong direction, 
the PC or the product may be 
damaged.
Avoid using this product if the USB 
cable is bent severely or underneath 
any heavy objects.
If you disassemble or 
modify the product in any 
way, you cannot receive free 
warranty services and may 
be refused service if service 
center warrants it.
If you smell the product burning 
or find it overheating while 
using it, remove the battery and 
contact our Customer Support 
Team or A/S Center as soon as 
possible.
Touching the product with 
wet hands may cause a 
malfunction. Hold and 
handle the AC power plug 
with dry hands to prevent 
electric shock.
Note that malfunctions may 
occur if you use the product 
in places where a build up 
of static electricity occurs 
frequently.
iAUDIO M3
If you listen to this product 
at high volumes for long 
periods, you may damage 
your hearing.
Always back up important files. 
All or some the user data stored in 
this product may be deleted during 
servicing.
The A/S Center does not back up 
files already stored in the product.  
Please be advised that our 
company is not liable for any loss 
of data in the products entrusted to 
us for service repairs.
Use only the AC Power adapter 
and USB cable supplied by 
COWON SYSTEMS with the 
packaged product.
When removing iAUDIO while 
it is connected to the cradle 
or sub pack by USB cable, be 
sure to use the ‘Safely Remove 
Hardware’ or ‘Unplug or Eject 
Hardware’ features of Windows.
Always use a soft and dry 
cotton cloth when cleaning 
the product.
(Use of water/detergent/
benzene/surfactants as 
cleaning agents is strictly 
prohibited. And VOID the 
warranty)
Do not connect the line- 
in/out jacks of the cradle 
(or sub pack) and the USB 
port simultaneously to 
a PC. The power of the 
product may be turned off. 
Connect only the required 
jacks or ports. 
Precautions for Use
5
Only use the USB port on the 
main board or the USB HOST 
card when connecting to a PC.
It is strictly prohibited to use 
any external USB hub. (E.g., 
USB port in the keyboard, 
External USB hub, etc.)
Be sure to disconnect the 
power supply to the PC and 
AC adapter during lightning or 
thunderstorms, so as to prevent 
danger to the user or eliminate 
the risk of fire.
Do not put the product 
near a magnet or magnetic 
field. It may cause 
malfunctions.
Do not drop or subject 
the product to any hard 
impact. This may result 
in malfunctions and/or 
unit failure and VOID the 
warranty. 
iAUDIO M3
6
What is iAUDIO?
What is iAUDIO?
iAUDIO is a unique brand of MP3 player produced by Cowon Systems, Inc. It is a super mini portable digital 
audio device that plays many different multimedia sound files in addition to MP3 files.
iAUDIO also offers FM radio listening/recording, as well as voice recording and direct encoding through the 
built-in microphone and Line-In input jack.  
Highly portable, stylish and super-slim design 
iAUDIO M3’s ultra-slim size of 103.7 mm X 60.8mm X 14.2mm provides high portability and convenience. The 
high-quality aluminum cover on the body gives an elegant and contemporary look.       
목차
Super-high capacity MP3 player of the portable HDD type 
The super-high capacity of iAUDIO M3 can store up to 5,000 MP3 files (for 20GB model) classified into 1,000 
folders. In addition to MP3, many other music file types including WMA and OGG are supported as well.
Long continuous playback with embedded lithium ion battery
The ultra power-saving circuit of iAUDIO M3 enables up to 14 hours of continuous playback with fully charged 
lithium ion battery (Based on company test research).
High-quality Voice Recording 
iAUDIO M3 allows professional level voice recordings through its built-in high-fidelity microphone. You can 
record important meetings or lectures, and save them on your PC for playback later on.
Direct Encoding (Line-in Recording)
iAUDIO  M3  provides  a  direct  encoding  feature  that  accepts  output  from  an  external  audio  source  for  1:1 
recording. This means that iAUDIO’s 3.5 mm. Line-in jack and the output jack from the external audio device 
can be connected to a 2-way stereo cable for recording. With this feature, iAUDIO can directly accept music input 
from an audio device such as a Walkman, MD (mini disk), LP phonograph, or TV to convert and store as various 
types of digital files in iAUDIO for your future listening pleasure.
Simultaneous Listening/Recording of FM broadcasts 
You can listen to FM radio broadcasts and record them at the same time. This feature is very useful for studying 
foreign languages because you can listen to the recorded files repeatedly and immediately on demand. 
You can also save up to 20 displayed radio frequencies as preset stations.
Remote controller with a wide 6-line graphic LCD
With the 128 x 96, 6-line and 4-gray LCD with LED backlight, you can conveniently check the overall operational 
status of iAUDIO M3. 
The Most Powerful Sound Fields Recognized Worldwide
iAUDIO M3 provides the most unique, powerfu and fine quality sound which is recognized the world over. You 
can take advantage of all the following sound field effects:
• BBE: Sound field effects that provide the clearest music
• Mach3Bass: A bass booster that enhances super low -end bass.
• MP Enhanced: Sound field effects that compensate for missing sound segments. 
• 3D Surround: Three-dimensional sound that gives a sense of spatial separation and depth.
Easy Upgrade with Firmware Download
You  can  easily  upgrade  your  iAUDIO  M3  with  the  firmware  download  feature. We  provide  new  firmware 
versions incorporating improvements from the actual requirements and suggestions of iAUDIO users.
Mobile Disk 
iAUDIO M3 is recognized as a mobile disk peripheral as soon as you plug it into a PC via a USB cable. Extra 
small-capacity USB drives are not necessary any more.
iAUDIO M3
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MP3 conversion (encoding) software 
JetShell, the file transfer software included in the iAUDIO package, allows you to easily and quickly convert 
and save music from a CD as MP3 files. Now you can conveniently store your audio CD music in iAUDIO and 
listen to them.
JetAudio
With JetAudio World-class integrated multimedia player software, ou can either listen to music or watch videos 
on your PC.
Package Components
LCD Remote Controller                                 Earphone
iAUDIO (MP3 player body)                                Installation CD (JetShell and JetAudio)          Fashionable carrying case 
 
                           User’s Guide   
 
 
Sub pack                                           USB 2.0 cable / Line-in recording cable                     AC Power Adapter
Cradle (Option)
iAUDIO M3
8
Features and Specifications
Features
MP3, MP2, WMA, ASF, and WAV (Up to 44.1khz mono) Playback, Voice Recording, FM Radio 
Listening and Recording, Direct MP3 Encoding, Mobile Disk. 
Built-in HDD (20GB) 
6-Line, 4-Gray Graphic LCD Remote Controller (Indigo Blue Backlight) 
USB 2.0 Interface
Long Play Time: Up to 14 hours (Based on company test research)
Note: (The playing time may be shortened if backlight is used.)
Multi-Language Support
Enhanced Integrated Navigator
Play/Pause/Stop, Record/Pause during Recording
Next Track/Previous Track, Fast Forward/Fast Rewind
Infinite Loop
Resume, Fade In, Auto Play
Search Speed & Skip Speed Setting
40 levels of digital volume control
Various EQ and sound field effects
• User adjustable 5-band Equalizer
• Normal, Rock, Pop, Jazz, Classic, Vocal, User
• BBE, Mach3 Bass, MP Enhance, 3D Surround Support
Hold 
Backlight ON Time Control, Scroll Speed Control, Selection of Scroll Direction, Power-Save Auto 
Stop, Sleep Timer
Firmware & Logo Download
ID3V2, ID3V1, Filename Support
Product Info Display (Firmware version, HDD Total Capacity/Usage, Total Number of Folders, Total 
Number of Files)
MAC OS Support (Only Data Transfer Supported)
Software 
• JetShell (File Transfer, MP3/WMA/WAV/Audio CD Playback, MP3 Encoding)
• JetAudio (Integrated multimedia playing software)
Specifications
Supported File Types
Hard disk
PC Interface
Battery
Power Supply
Charging Time
Buttons
Switch
Display
SNR
Output Frequency
Output 
Size
Weight
iAUDIO M3
MPEG 1/2/2.5 Layer 3,WMA, OGG,ASF,WAV (11/22/44Khz,16Bit,MONO/STEREO)
20GB
USB 2.0 (Max.480M bps)
Rechargeable Lithium Ion battery (Max.14 Hours Continuous Playback)
AC adapter DC 5V 1.5A~3A
About 3 hours (When using AC Power Adapter)
Remote : PLAY/PAUSE, FF, REW, MENU (NAVI), OL+, VOL−, MODE, REC
Main Body: PLAY/PAUSE, FF, REW, Mode, VOL+, VOL−, MODE, REC
Hold
128 X 96 dot, 6-Line 4-Gray LCD with LED backlight (Multilingual Support)
95 dB
20Hz~20KHz
16 Ohm Earphone: 20mW+20mW
103.7 mm x 60.8mm x 14.2mm (Height x Width x Thickness)
136g (Including built-in battery)