Cowon iAUDIO U2 User manual

USER GUIDE

iAUDIO U2
2
General
• iAUDIO is the registered trademark of COWON SYSTEMS, Inc.
• This product is for home use only and cannot be used for business purposes.
• COWON SYSTEMS, Inc. has the exclusive copyright for this User Guide. It is prohibited to distribute this
User Guide in part or in whole without permission.
• COWON SYSTEMS, Inc. has the copyrights for JetShell and JetAudio. It is prohibited to distribute or
commercially use them without written permission from COWON SYSTEMS, Inc.
• The MP3 files created with the MP3 conversion feature of JetShell and JetAudio can be used for personal
use only and not for commercial or service purposes. Violating this regulation is in conflict with domestic
copyright laws.
• COWON SYSTEMS, Inc. complies with the laws and regulations related to records/videos/games.
Complying with all any other codified laws is the responsibility of the actual users.
• In order for customers who purchased the product to receive specialized iAUDIO services, we recommend
that they accomplish customer registration at http://www.iAUDIO.com. Various specialized benefits are only
provided for members who have completed a lawful customer registration.
• The various examples, drawings and pictures included in this User Guide are subject to change without prior
notice when new product enhancements become available.
BBE Related
• BBE is produced by the license of BBE Sound, Inc.
• BBE Sound, Inc. has the license rights for BBE under USP4638258, 5510752 and 5736897.
• BBE and the BBE symbol are the registered trademarks of BBE Sound, Inc.
COPYRIGHT NOTICE
All rights reserved by COWON SYSTEMS, Inc. 2004

iAUDIO U2
4Precautions
Never use the product for
other purposes than those
described in this guide.
Take special attention
when touching the
product box, user’s
manual and accessories
to avoid cuts.
Do not attempt to service
the product yourself as
opening or removing
covers may expose you to
dangerous voltage or other
hazards. The warranty will
be voided if this happens.
Pay attention to the USB cable di-
rection when connecting the product
to PC. The PC or the product may
be damaged if you connect the USB
cable in the wrong direction.
Never use damaged or worn USB
cable.
If the product emits an unusual
odor or excessive heat, or you
notice anything else that seems
unusual, do not use the product
and contact our Customer
Service Center.
* The product may be damaged or LCD can not be displayed if the product is stored/used
in an extremely hot or cold place.
Do not leave the product in an
extremely hot or humid place.
The warranty will be voided if this
happens.

iAUDIO U2
5
Precautions
Do not use the product near
water. Do not touch this
product with wet hands.
Avoid using the player at high
volume. Hearing experts advise
against continuous, loud and
extended play.
Note that malfunctions may
occur if you use the product
in places where static
electricity occurs frequently.
Be sure to back up your data files.
The files on the player may be
deleted while using the product.
We are not responsible for any dam-
aged or lost files that are not saved
on your computer.
Customer Service Center does not
back up your data while servicing.
Use only the AC Power adapter
and USB cable supplied by
COWON Systems with this
product.
Be sure to disconnect
the power supply to
the PC and AC adapter
during lightening or
thunderstorms, so as to
prevent danger to the user
or eliminate the risk of fire.
* Never unplug the USB cable if the LCD status is not READY.
File operation may work by internal cache even if it is displayed as completed in Windows Explorer.

iAUDIO U2
6Table of Contents
1. iAUDIO
What you can do with iAUDIO
Package components
Features
Specifications
Name of Parts
Charging iAUDIO / Connecting USB Cable
LCD Display
Basic Operations
Advanced Operations
Troubleshooting
Using buttons
2. JetShell
What is JetShell ?
Connecting iAUDIO and Installing JetShell
Introducing JetShell
Downloading Music Files to iAUDIO
Deleting Files in iAUDIO
Initializating iAUDIO (Formatting)
8
10
11
12
13
14
15
16
28
41
43
47
48
52
56
58
59

iAUDIO U2
7
Converting Audio CD to MP3 Files and Downloading
Other Features
Installing and Using JetAudio
LDB Manger - Automatic Lyric Search and Display
Guide to Firmware Upgrade
FCC Statement
Warranty / Technical Support
60
63
66
33
67
74
75
Table of Contents

iAUDIO U2
8
What you can do with iAUDIO
iAUDIO is a portable digital music player produced by COWON Systems, Inc. You can easily
transfer digital music files from your computer to iAUDIO, and carry it anywhere to enjoy. It also
supports FM radio listening/recording, as well as voice recording and direct encoding through built-
in microphone and Line-In input jack.
Enjoy 20 hours of playback with built-in rechargeable battery.
iAUDIO’s ultra power-saving circuit enables upto 20 hours of continuous playback with fully charged
lithium-polymer rechargeable battery. (Based on our company’s test environment)
Record your voice memo anywhere anytime
Built-in microphone provides high-quality voice recording, perfect for capturing ideas, dictating
memos and saving reminders anytime, anywhere. You can also save them to your PC for playback
later on, and send the message as an e-mail.
Create MP3 file from analog sources (Direct encoding)
Create MP3 files directly from your analog audio sources such as tape player, CD player or TV.
Simply connect the iAUDIO's Line-In jack to the output jack of other audio device with a included
stereo cable, then start direct encoding. You can transfer the MP3 files to your PC for playback later
on.
Listen to FM stereo radio and Record it at the same time
Listen to FM radio and record it by pressing a button, instantly. Play them back on iAUDIO, or save
to your PC for playback or e-mail. You can preset up to 20 radio stations.
What you can do with iAUDIO

iAUDIO U2
9
What you can do with iAUDIO
Customize your iAUDIO with wide graphic LCD
The wide LCD with 128 x 64 dots displays four lines of information and supports most international
characters including Korean, Japanese, and Chinese using embedded fonts. You can easily check
the overall operations of the product at a glance. Design your logo or download logos from our web
site, and download it to iAUDIO to customize the start-up image.
Enjoy the powerful sound effects
iAUDIO delivers the highest-quality sound powered by 5-bands EQ, and the following sound effects:
• BBE: Improves brilliance and clarity of music
• Mach3Bass: Provides deeper and tighter bass
• MP Enhance: Adds warmth and clarity from compressed music files
• 3D Surround: Creates and authentic and exciting 3D sound effect
Upgrade iAUDIO by downloading latest firmware
You can enjoy the up-to-date features of iAUDIO by downloading latest version of firmware. Please
visit our website to check if a new version of firmware is available.
Store any data
Simplay attach iAUDIO to any PC, and share your documents, photos and any other data files
between PCs anywhere. Any separate USB driver is not required because iAUDIO works as USB
Flash Plug-n-Play removable disk.
Convert and Transfer MP3 files
JetShell, the most easy-to-use and powerful file transfer software comes with iAUDIO, allows you to
easily and rapidly convert and save music from a CD to MP3 files. Now you can conveniently store
your audio CD music in iAUDIO and listen to them

iAUDIO U2
10 Package components
User Guide and Installation CD
(JetShell JetAudio)
Necklace iAUDIO
AC Adapter (Option) Earphones
Carrying Case Simple USB Connectior USB Cable, Line-in Recording Cable

iAUDIO U2
11
Features
MP3, MP2, WMA, ASF, WAV (up to 48KHz Stereo) Playback, Voice Recording, FM Tuner and FM
Recording, Direct MP3 Encoding , USB Flash Drive
Built-in Flash Memory (128MB/256MB/512MB/1GB)
4 Lines of Wide Graphic LCD
USB 2.0 interface
Up to 20 hours of playback using built-in rechargeable battery (based on our company’s test)
Multi-language support (iAUDIO has embedded fonts for international characters)
Enhanced Navigator
Play/Pause/Intro Play, Stop, Record
Next Track/Previous Track, Fast Forward/Rewind
Section Repeat
Adjustable Seeking Speed
Volume (40 Levels)
Various EQ and Sound Effects
• Adjustable 5-band EQ
• Normal, Rock, Pop, Jazz, Classic, Vocal, User modes
• BBE, Mach3Bass, MP Enhance, 3D Surround
Resume, Auto Power OFF, Sleep
Hold switch
Adjustable Backlight ON timing, Scroll Speed
Firmware Download & Logo Image Download
ID3V2, ID3V1, Filename support
Device Information (Firmware Version, Memory Usage)
Software
• JetShell (File transfer, MP3/WMA/WAV/Audio CD PLay, MP3 Encoding)
• JetAudio (Integrated multimedia player)

iAUDIO U2
12 Specifications
All ranges of MPEG 1/2/2.5 layer 3 (8kbps~320kbps) (8kHz~48kHz) and VBR
All ranges of WMA (20kbps~192kbps) (8kHz~48khz)
All ranges of WMA9 CBR(5Kbps Mono~320Kbps Stereo) and VBR (48Kbps ~ 256Kbps)*
WAV (Up to 48KHz Stereo)
128MB/256MB/512MB/1GB**
USB 2.0 (Up to 20Mbps)
Built-in Lithium-polymer rechargeable battery
Normal charging (2 hours), Slow charging (6.5 hours)
7 buttons (Play, REC, Menu, FF, REW, VOL +, VOL –)
1 switch (Hold)
128 x 64 wide graphic LCD
95 dB
16 Ohm earphones : 13mW+13mW
20Hz~20KHz
2.91 X 0.98 X 0.71 inches (73.8 x 25.0 x 18.0 mm)
1.2 oz (34 g) (including built-in battery)
* Secure WMA format is not supported
WMA9 Pro, Lossless and Voice Codec not supported.
** Actual formatted capacity less
Playback
Format
Memory
PC interface
Power
Charging time
Button
Switch
Display
SNR
Output
Frequency
Range
Size
Weight

iAUDIO U2
13
Name of Parts
Right
Front
Top
Rear
Left
Bottom
REC/A B button
PLAY/PAUSE
Power On/Off
Hold Switch
Earphone Jack
Line-in Jack
Reset
-(VOL-)
Reduce volume,
Move cursor down,
Reduce the setting
value.
(FF)
Next Track, Fast Forward
Lever (Menu/Navigator)
Enter the Menu/Navigator.
+ (VOL +)
Increase volume,
Move cursor up,
Increase the
setting value.
(REW)
Previous Track,
Rewind
LCD display
USB cover
MIC

iAUDIO U2
14
If iAUDIO was ON when the AC adapter is con-
nected, the icon is shown on the LCD during
the charging and it changes to the icon after the
charge is completed. To play music while charging,
press and hold PLAY.
Charging iAUDIO / Connecting USB Cable
Connecting USB
Open the USB cover at the buttom of the iAUDIO,
then connect the USB cable from the PC to the USB
port of iAUDIO as in the figure on the left.
iAUDIO is charged when it is connected to PC.
The icon is shown on the LCD during the charg-
ing and it changes to the icon after the charge is
completed.
Before disconnecting, make sure that the status has
changed to READY on the iAUDIO LCD.
We recommend running ‘Safely Remove Hard-
ware’ wizard before disconnecting USB cable.
Charging iAUDIO
iAUDIO can be charged with optional AC Adapter
or by connecting to PC with USB cable.
Connect the AC Adapter to iAUDIO as in the figure
on the left. If iAUDIO was OFF when the AC adapter
is connected, LCD displays figure A while charging,
and figure B when the charge is completed.
A. During charging B. Completion of charging

iAUDIO U2
15
Charging iAUDIO / Connecting USB Cable LCD Display
Album Name
Music Information
L/R Output
JetEffect
(BBE, M3B, 3D, MP)
EQ Mode Play Mode
Progress Bar
Current Track /
Total Track
Battery
Hold
Mode
The battery level icon indicates how much longer the battery can be used. Level
decreases as battery is used.
When the battery is low, the battery icon starts blinking. If this happens, charge
iAUDIO as soon as possible.
When a tag (ID3V2, ID3V1) is available, the icon is changed to Disk and the Artist
+ Album information is displayed. When the display setting is ‘Filename’, or the tag
does not include the Artist information, the icon is changed to Folder and the folder
name is displayed. When the file is in the root folder, “iAUDIO” is used as the folder
name.

iAUDIO U2
16 Basic Operations
Power On/Off, Connecting USB
Basic Operations
1. Power On/Off
• Press and hold PLAY until the “iAUDIO” logo appears and the power comes on.
• Press and hold PLAY again to turn it off (power cannot be turned off during recording or in the
USB mode).
• If the AC adapter was connected when you turn it off, the charge window is displayed and iAUDIO
goes into Charge mode.
• To use iAUDIO again in the Charge mode, press and hold PLAY again.
• When you set “Auto Off” or “Sleep Timer”, the power automatically turns off.
Press and hold Play. The iAUDIO turns on and displays the logo. Press and hold Play to turn
power off.
2. Connecting USB
Connecting USB Cable
When you connect the USB cable to the PC while iAUDIO is turned off, used or charged, it enters
USB mode. (The recording is automatically stopped if USB cable is connected during recording).
When the USB cable is connected, the built-in battery is not used. (Maximum of 500mA is used for
the Normal Charge mode and 150mA is used for the Slow Charge mode. Please turn the charge
feature off in Menu or change to Slow Charge mode if the PC is unstable due to overload.)
Disconnecting USB Cable
Before disconnecting, make sure that the status has changed to READY on the iAUDIO LCD.
DO NOT DISCONNECT USB CABLE when the status is Reading or Writing.
READY. Safe to disconnect. READING WRITING

iAUDIO U2
17
Basic Operations
Switching Mode
3. Switching Mode: There are 4 modes: Digital Audio, FM Radio, Voice Recorder, Line-in Recorder.
Example: Switching from “Digital Audio” to “FM Radio” mode.
Menu
Mode
JetEffect
PlayMode
Mode
MP3 Player
FM Radio
Voice Recorder
Mode
MP3 Player
FM Radio
Voice Recorder
Digital Audio mode
Enter Menu
Enter the Menu by pressing
the lever.
Enter to Mode Menu
Select Mode, then press the lever or
move the lever to the .
Move the lever to the
in order to go to
the previous menu.
Mode Select.
Select FM mode by moving
the lever to the (-), then
press the lever or move it
to the
.
Opening the Mode Selection Screen
• Select the Mode Menu in the main menu by pressing the lever.
• Mode screen appears and you can select from 4 modes.
Changing Mode
• Move to the desired mode by moving the lever (+), (-) .
Selecting Mode
• Select the relevant mode by pressing the lever, by pressing the Play Button or by moving it
after changing to desired mode.
• The screen of the selected mode appears.
Canceling Mode Switching
• Press the REC Button to return to the previous mode.
• The mode switching is cancelled and the previous mode window appears.

iAUDIO U2
18
Menu
Mode
JetEffect
PlayMode
Menu
Mode
JetEffect
PlayMode
Menu
Mode
JetEffect
PlayMode
Basic Operations
Using Menu
4. Using Menu
Example: Chaning the equalizer from NOR (Normal) to ROC (Rock).
Digital Audio mode
Enter the Menu.
Enter the Menu by pressing
the lever.
Moving selection bar.
Move selection bar by moving
the lever to the (+), (-) .
Selecting a menu.
Press the lever or move it to the .
Opening Menu.
• Press the lever to open the menu Screen.
Moving selection bar.
• Press the lever (+), (-) to move up or down the selection bar.
• Press the lever or move it to to access the sub menu.
• Move the lever to
to access the upper menu.
(In the root menu, menu is closed, and returns to normal screen.)
• Press the Play button to return to the normal screen after completing the menu setting.
Adjusting values of menu items.
• Adjust the value by moving the lever (+), (-) .
• Press the lever to select the item. Adjusted values are applied immediately.
• Press the Play button to return to normal screen after completing the setup.

iAUDIO U2
19
Basic Operations
Using Menu
JetEffect
Equalizer
BBE
Mach3Bass
Selecting a menu.
Select Equalizer menu.
Changing EQ mode.
Move the lever (+), (-) to
change EQ mode .
Exit after selecting EQ.
Press the lever or the Play button.
Adjusting the levels of each bands.
You can adjust levels of eq bands by moving
the lever to
.
Canceling the Menu Setup, Closing Menu.
• Press the REC button to restore the changed values of the current menu item to the previous
value and close the menu.
• Press the PLAY button to complete the setup and close the menu.
Adjusting Equalizer.
• Enter the Equalizer menu.
• Select the predefined eq mode by moving the lever (+), (-) .
(Normal, Rock, Jazz, Classic, Pop, Vocal, User)
• Move the lever to the
to select a specific eq band.
• Adjust the band’s dB level by moving the lever (+), (-) in the selected band (-28 ~ 28dB).
• Go to the upper menu by moving the lever or complete the equalizer’s setup by pressing the
Play button.
USR
ROC
0 0 0 0 0
NOR ROC
NOR
JAZ
+19 +12 0 +12 +24

iAUDIO U2
20
iAUDIO
A
B
C
iAUDIO
A
B
C
B
b-1
b-2
b-1
01.MP3
02.MP3
03.MP3
Basic Operations
Using Navigator
6. Using Navigator
Example: Choosing and playing “01.MP3” file in the b-2 folder when iAUDIO folder structure is as follows.
Folder structure within iAUDIO.
Enter the Navigator.
Press and hold the lever to
enter the Navigator.
Moving selection bar.
Move the lever (+), (-) .
Selecting the Navigator Item.
Press the lever to display pop-up menu,
then select Expand. You can enter the
Folder directly without popup by moving
the lever
.
Playing the selected file.
Press the PLAY button to play selected file
and close Navigator.
Move the lever
to play the file without
closing Navigator. You can also choose Play
Now menu item from the pop-up menu of
Navigator by pressing the lever.
Changing the Navigation Mode.
Press and hold the lever in navigator to change the Navigation Mode.
Music Files: You can navigate through music files according to the folder
structure.
Dynamic Playlist: The Playlist that contains the files added with the “Add
to list” feature is displayed. You can also remove files from the list.
Recordings: You can navigate the files under the “Recordings” folder.
The files recorded using Voice Recorder, Line-in Recorder, and FM Radio
Recorder can be found here.