User`s guide | Cowon Systems D3 MP3 Player User Manual

User’s Guide ver. 1.1 EN
Product specification may change without notice.
Due to the difference of Android compatibility, certain applications may not be installed and executed properly.
+ Copyright Notice
BBE information
OWON is a registered trademark of COWON
BE Sound, Inc. owns the license to the BBE
name and information as applied to this product,
in compliance with USP4638258, 5510752 and
OWON SYSTEMS, Inc. owns the copyright to
this manual, and any unauthorized distribution of
its contents, whether in part or in its entirety, is
strictly prohibited.
BE and the BBE symbol are registered trademarks
of BBE Sound Inc.
OWON SYSTEMS, Inc. complies with laws and
regulations related to records, disks, videos and
games. Users are also encouraged to comply with
the relevant laws and regulations.
s soon as you purchase the product, visit the
website (, and become a
registered member. You will benefit from various
member services.
his manual is based on product specifications,
and various exemplary texts, illustrations, pictures,
detailed functions and H/W and S/W specifications
contained herein can be altered without any prior
notice by the copyright owner.
All rights reserved by COWON SYSTEMS, Inc.
Before you start!
+ Precaution
As these precautions are provided for the correct use of
the product as well as user safety, be sure to familiarize
yourself with them. The company will not be held
responsible for any accident that may occur due to the
failure to heed these precautions. The following information
applies commonly to all products manufactured and
produced by COWON SYSTEMS, Inc.
o not use this product for other purposes than those
described in this manual.
andle the manual, product packaging materials, accessories,
etc. with care to prevent cuts and injuries to your body.
or your safety, do not view videos, pictures and texts
stored on your player while driving a vehicle for your safety.
Operating other features of the player is also dangerous and
may cause fatal accidents while driving.
he wearing of earphones while operating a vehicle, exercising,
or walking may impair driving, mask or prevent recognition of
emergency signals, alarms, announcements, the approach of
vehicles and human speech. Doing so may also be unlawful
depending on the region.
istening at high volume (85 dB and above) for an extended
period of time may harm your hearing.
or your protection, use the player in a well lit area where the
LCD screen will not cause strain to your eyes.
o not attempt to disassemble the player. Disassembly will
void the warranty and the unit will be permanently disqualified
from any warranty services.
e sure to use only the USB power adaptor and USB
cable approved by COWON SYSTEMS, Inc.
hen connecting to a PC, use only USB ports on the mother
board or a USB Host card. Using an external USB hub may not
guarantee proper operation (e.g. USB ports on a keyboard or
an external USB hub).
o not mix directions when connecting USB cables or AC
adaptors to your player or PC. Connecting USB cables
incorrectly may damage your player or PC. Also, do not bend or
press connection cables with heavy objects.
ake extra care not to apply external shock or pressure when
using products with displays (LCD, AMOLED, or Touch Pad) or
Hard Disk Drive. Warranty may be voided if damage occurs due
to the aforementioned circumstances.
o not drop or expose the product to hard impact. This may
result in malfunctions and/or unit failure, voiding the warranty.
+ I f you smell something burning or feel excessive heat while
using the product, press the RESET button to stop operation
and contact the place of purchase.
+ I f you find any abnormalities with the battery such as swelling,
press the RESET button immediately to stop the operation and
contact the place of purchase.
o not expose the player to water or keep it in a damp
or humid location for an extended period of time. If the
player is damaged from moisture as described above,
product failure is then classified as a user’s misuse.
Before you start!
+ Precaution
ouching the player with wet hands may cause damages
and malfunctions.
sing the player in places with high occurrences of static
electricity may cause malfunctions.
eep the player away from magnets and direct magnetic
fields, as they can cause malfunctions.
e sure to disconnect the power supply to the PC and
USB power adaptor during lightning or thunder storm,
to prevent danger to the user and/or the risk of fire
aintain the device within the temperatures
specified below in order to prevent fatal damages
to your player.Operating temperature : 0°C ~ 40°C
Storage temperature : -10°C ~ 50°C
ll data stored in the player may become deleted when
the player is serviced. Our Service Center does not
backup files while repairing players. Please note that
COWON SYSTEMS, Inc. is not responsible for any data
loss from products entrusted to us for service.
he price of the product may fluctuate due to
unexpected commercial conditions. COWON SYSTEMS,
Inc. accepts no liability to compensate for any price
e careful not to be torn or ruptured by any sharp
materials, such as animals’ teeth.
hen formatting the removable disk, be sure to use only
the specified file system written in this manual.
eep the player in cool and ventilated places, away from
direct sunlight as it may cause deformation and damages
to internal circuitry or LCD screen.
o not use detergent or other chemicals on the product
surface as it may cause fading. If necessary, wipe the
polluted area carefully with a soft cloth.
+ I n case of using this device primarily for a storage
device, it is recommended to back up all data before
use. COWON SYSTEMS Inc. is not responsible for any
data loss due to hardware failure.
Before you start!
+ Package Components
Manual CD,
Quick Guide
USB Cable
HDMI Cable
AC Adaptor
AV Cable(Composite, S/PDIF)
* Actual package contents may differ from the above images.
Before you start!
+ Names of Parts and Functions
Play / Pause
Power / Hold
Volume Up(+)
Card Slot
Volume Down(−)
Return Button
Menu Button
Home Button
AC Adapter Jack
Earphone Jack
ESET will just disconnect the power and does not damage the product or delete
any files stored on the device.
Before you start!
+ Connecting and Disconnecting the PC
+ Buttons
1. Power on/off : Press and hold the Power / Hold button
2. Hold on/off : Briefly press the Power / Hold button while the
device is turned on
- The touchscreen is locked in hold status.
- Locking the touchscreen with the hold button can prevent any
unwanted operations usually caused by unintentional inputs.
3. Sleep Mode: Within 2 seconds of entering into hold status,
pressing the Power / Hold button again changes the device
to lock screen status. With this status, waiting for a couple of
seconds or pressing the Power / Hold button once again turns
the device into sleep mode.
- In Music, Radio menu: Display off
- In other menus: Sleep mode
1. Use the USB cable to connect COWON D3 to the PC.
2. Check My Computer or Windows Explorer to see if COWON D3
is properly connected to the PC.
3. Copy multimedia files to COWON D3
4. After completing it, click the
6. Swipe down the status bar at the top of the display and touch
‘turn off USB storage’ and touch ‘turn off’ again.
* It is generally recommended for Android device users to use sleep mode
to boot faster, and the battery consumption can also be minimized in sleep
+ Charging
icon on the system tray.
5. When the following pop-up message shows up, conduct ‘safely
remove the hardware’ process by clicking it.
7. Disconnect the USB cable from the PC.
- When disconnecting COWON D3 from the PC, be sure to
conduct ‘safely remove the hardware’ process.
- Make sure the flash memory has enough free space to
maintain the proper system operation.
1. Connect the AC adapter
to the product.
2. Connect the USB cable and
switch to sleep mode.
Before you start!
+ Firmware Upgrade
* Be sure to connect the AC adapter before starting firmware upgrade.
Firmware is the software that is embedded within the hardware.
Upgrading it can enhance system stability and provide additional
Please be advised that Beta (unofficial) firmware versions may
cause system malfunction.
How to upgrade the firmware
1. D
ownload the latest firmware from the SUPPORT section of the
website (
2. Use the USB cable to connect COWON D3 to the PC.
3. Copy it to the root folder of COWON D3.
4. After completing the copy, conduct the ‘safely remove the
hardware’ process from the PC and ‘turn off USB storage’ on
the device. And from the following order Settings ▶ About D3
▶ System updates, select the storage where the file is saved
to start firmware upgrade.
5. Upon finishing firmware upgrade, verify the installed firmware
version from Settings ▶ About D3 ▶ Firmware version.
irmware upgrade can also be conducted through MicroSD cards by
copying firmware files to the root folder of MicroSD and inserting the
MicroSD card into COWON D3.
- Fully charge the player before upgrading the firmware.
o not turn the player off before the firmware update has been
completed. It may damage the product, and will void any warranty.
ack up any important data before the firmware upgrade as any
data stored on the device may be deleted during the process.
COWON accepts no liability for any loss of data.
+ How to use subscription contents
Check COWON D3 whether the USB debugging is ticked off from
Settings ▶ Applications ▶ Development ▶ USB debugging. It
should be inactivated when registering or certifying COWON
D3 to subscription content sites and downloading DRM online
lectures, movies and music files.
* Inactivation is the default setting of COWON D3.
+ How to format memory
Internal memory can be formatted from settings ▶ SD
Card & D3 storage ▶ Unmount internal memory ▶ Format
internal memory
It is recommended to format an internal memory from the device
to keep the device in good working order. Be sure to back up all
the data on the device since all the files are to be deleted after
+ Media Scanning
Media scanning starts after inputting data to COWON D3.
During media scanning the device response can slow down, and
depending on the types & capacities of the data it can maximally
take dozens of minutes.
+ How to install applications
Connect COWON D3 to the PC and copy APK files to the APK
folder of the D3. After disconnecting the USB cable, check the
pop-up asking whether to Install or not and touch ‘Install’.
or further instructions on USB cable connection, refer to the section
of ‘Connecting and Disconnecting the PC’.
Basic Use
+ Add & delete Icon on home screen
+ Home Screen
Turn on the device and
swipe the slide bar to the
right, the home screen will
show up.
Drag the home screen to
switch between screens,
and touch or slide ‘slide
to APPS’ to show the
applications list.
Applications & widgets can be added to the home screen with a
pop-up menu that shows up by long-press on the blank part of
the home screen. Also, icons located at APPS can be added to
the home screen by long-press on an icon.
Added icons can be deleted from the home screen by long-press
on the icon and drag it to the trash.
* Deleting shortcut icons doesn’t result in deleting applications in the
application list.
Basic Use
+ Home Screen
+ Recovery Mode
Enjoy a variety of music
Watch various video files
up to 1080p Full HD.
When the D3 shows following severe symptoms,
use its recovery mode to restore the device.
- When it fails to conduct system updates.
- When it needs to reinstall a current firmware on the device to solve
system errors.
Enjoy pictures and sort
out favorite pictures by
How to use recovery mode
Access internet browser
and search webs.
Calculate numbers using
the calculator.
Listen to FM Radio.
Record using Mic.
Enjoy comics & cartoons
on the web.
Set & read documents at
your preference.
Draw simple memos and
Change settings at user’s
* It is recommended to try ‘Power on/off’ or ‘Reset’ before using the recovery mode.
This mode is the last measure to deal with critical problems.
1. Turn on the device while pressing the Play / Pause button.
2. As the right image shows, the Play / Pause button needs to
be pressed until the device enters the recovery mode.
3. From the step number 2, press the home button and check
whether the following 4 menus show up on the screen.
Use the Volume(+/−) buttons to select the menu and run
the selected menu by pressing the Play / Pause button.
reboot system now
Finish ‘recovery mode’ and reboots the device.
Start updating with ‘/sdcard/sd/’ on the SD card.
Start updating with ‘/sdcard/’ on the NAND.
When using ‘OTA package’, back up file to the internal
storage after completing updates. This menu starts updating by using
a previously backed-up file.
* If there’s no file while starting the menu number 2, 3, 4, error messages will show up and will not start installation.
re-install current version
4. When using the menu number 3, the same menu will show up again after finishing
installation. Then select ‘reboot system now’, and check the updated firmware version.
+ Specifications
8GB/16GB/32GB (Flash Memory, NTFS File System) *
File Format
AMOLED 3.7 Inch (800x480), Capacitive Touchscreen
Video Codec
DivX, Xvid, H.264, WMV 9/8/7, MPEG1 ***
Video Resolution
Max 1920x1080 ***
Audio Codec
MPEG1 Layer 1/2/3, WMA, OGG Vorbis, PCM,
FLAC ***
Color Subtitle
SMI, SMIL, SRT, SUB (Text Form)
Playback multiple audio tracks
Size & Weight
64.2(W) x 116.4(H) x 11.8(T) mm / 120g
Home, Menu, Back, Power / Hold, Play / Pause, FF, REW, Vol +, Vol -
Black / Purple
Built-in Rechargeable Lithium Polymer Battery
Multi Audio
Playback Time
Music: Max 21 hours / Video: Max 10 hours **
Battery charging
AC Adapter: 3.5 Hours
Pentium III 500Mhz or higher
Windows7 / Vista / XP / 2000 : All functions
USB Port
USB 2.0 High Speed recommended
Built-in Speaker, Mic, MicroSD Card Slot, G-Sensor
Frequency Range 20Hz~20,000Hz
Max Output
Left 29mW + Right 29mW (With 16Ω Earphones)
S/N Ratio
File Format
Audio Codec
MPEG1 Layer 1/2/3, WMA, OGG Vorbis, PCM, FLAC,
Monkey’s Audio
39 Presets (35 Presets + 4 User Presets)
JetEffect 3.0
AV Out
Format: NTSC / PAL
Audio: S/PDIF, Stereo
Photo Viewer
TXT supported (No file size limit)
FM Radio
Frequency Range 87.5~108 MHz (KR, US, EU), 76~90 MHz (JP)
Mic / FM Radio
Bluetooth 2.1 + EDR, A2DP / AVRCP / OPP ****
Wireless LAN
Wireless LAN IEEE 802.11 b/g *****
*The storage capacity may differ from the actual capacity due to the
space used to store system files.
Only FAT32 File System is supported for MicroSD Cards.
The playback time is based on the company’s own test standards, thus
it may differ from the actual playback time.
*** Max resolutions may vary depending on codecs, and even with
the same codec, the max resolutions can be different according to
encoding options.
5 Band Equalizer & EQ Filter
**** FM radio does not support Bluetooth. Uncertified Bluetooth headsets,
receivers, etc. may not be compatible with the product.
BBE, Mach3Bass, 3D Surround,
MP Enhance
***** This function can be used in the areas where Wi-Fi routers enable
wireless internet access.
Special Effect
Stereo Enhance, Reverb
+ Converting Video Files Using COWON MediaCenter - JetAudio
1. Install and run the COWON MediaCenter - JetAudio.
3. F
rom the Convert Video window, click “Add File” to
select the files to convert.
4. Check the selected video files in the list.
5. A
fter checking the target folder location to save
the converted files and other settings, click on
“Start” to start the video conversion process.
2. C
lick “Convert” button on the top right hand side.
From drop-down menu, select “Convert Video”.
+ Converting Video Files Using COWON MediaCenter - JetAudio
ovie files that do not play properly on the product
may need to be converted by COWON MediaCenter JetAudio. Before doing so, please make sure that the
movie files play properly on the PC first.
iles already damaged before conversion may not
work on COWON D3 even if the conversion process
is successful.
onversion time may vary depending on PC
performance, source file size and codec types.
- “ Preview” allows checking the converted video before
starting conversion.
o convert a file with subtitles or to change settings
on subtitles, click on “Convert Options”.
MI files for subtitles must have the same file name
as its video file. (e.g. COWON.avi / COWON.smi)
+ Troubleshooting
am still confused even after reading the
COWON website( provides support
for users of COWON products with FAQ (Frequently
Asked Questions).
Users are strongly encouraged to check out the website
for further information regarding product usages and
firmware upgrades. For individual inquiries, please
contact us on-line as we will try to help you as best as
we can.
would like to set the device as factory
Device can be set as factory default by pressing Settings
– Privacy – Factory data reset – Reset D3.
+ The player does not turn on.
If the battery is completely discharged, charge the
battery before you start the player. The charging time
may vary depending on the battery’s discharge status. If
the player does not work at all, press the RESET button.
For your information, RESET will just disconnect the
power and does not damage the product or delete any
files stored on the device.
he touch pad and buttons do not work
Check if the device is on HOLD.
+ I can’t hear any sound.
Check if the volume is set to “0”. Check if there are any
files available in the player. If there is no file in the player,
you will not hear any sound. Please note that corrupted
files will result in a noise or discontinued playback. Make
sure the earphones are connected properly. Impurities in
the earphone jack can cause a noise.
+ Files that I have stored do not appear in the list.
Each mode shows you a list of playable files only. To
find more playable files you have stored in other folders,
touch the menu button to show up the menu pop-up
and touch ‘List’ and ‘Folders’.
+ Album image is not displayed in Music Mode.
In order to display album image, the image has to be
stored in the ID3 tag of the music file. You can edit
the ID3 tags using COWON MediaCenter - JetAudio.
A JPG image file with the same name as the relevant
music file should be stored in the player. Alternatively,
a JPG image file named “cover.jpg” can be stored in the
relevant folder.
+ Troubleshooting
+ Video won’t play.
heck to see if the video file is supported by COWON
ideo files that do not play properly on the product
may need to be converted by COWON MediaCenter JetAudio.
+ FM Radio does not work.
The product’s earphones work as the FM Radio antenna.
Straightening the earphone cable will result in better
radio reception. FM Radio reception may be poor at
locations where FM Radio transmissions are shielded.
If FM Radio does not work where reception should be
possible, please contact our service center.
+ There is too much noise in my recordings.
The product uses ultra-small internal microphone, so
it may be more susceptible to noise during recordings.
The microphone should not be covered with anything
during recording.
+ Characters on the display are corrupted.
Set your preferred language again in Settings –
Language & Keyboard – Select locale. If the problem
persists, download the latest firmware from www. and apply it to the device.
+ Computer cannot recognize the player when
Try the RESET button in the back. If you experience a
frequent disconnection or unstable connectivity, connect
the player directly to the USB port of the PC, rather
than a separate USB hub. As COWON products use the
USB connection for the main power system, unstable
power supply can cause a connection failure.
+ Memory capacity of the player is different or
smaller than specified.
The total & available space shown on Settings – SD
card & D3 storage setting may be different from that
indicated by the memory manufacturer. The actual
capacity will be reduced from the original size because
some space of the memory should be used as the
system area for normal operation.
he player does not play properly when
memory is full.
For the player to function properly, it requires enough
space in the Flash memory for saving settings and other
system files.
+ FCC Information to User
This equipment has been tested and found to comply with
the limits for a Class B digital device, pursuant to Part 15
of the FCC Rules.
These limits are designed to provide reasonable protection
against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications.
However, there is no guarantee that interference will not
occur in a particular installation.
If this equipment does cause harmful interference to radio
or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try to
correct the interference by one of the following measures:
- Reorient or relocate the receiving antenna.
- I ncrease the separation between the equipment and
onnect the equipment into an outlet on a circuit different
from that to which the receiver is connected.
onsult the dealer or an experienced radio/TV technician
for help.
Modifications not expressly approved by the party
responsible for compliance could void the user’s authority
to operate the equipment.
FCC Compliance Information:
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received,
including interference that may cause undesired operation.
FCC RF Radiation Exposure Statement:
This equipment complies with FCC RF radiation exposure
limits set forth for an uncontrolled environment. This
equipment should be installed and operated with a
minimum distance of 20 centimeters between the radiator
and your body. This transmitter must not be co-located
or operating in conjunction with any other antenna or
+ Battery Replacement
+ Product Disposal
The rechargeable batteries have limited number of
charge cycles, and it will require a replacement as
capacity to hold power will eventually diminish.
COWON products contain built-in rechargeable
batteries, and must be separately disposed from
household waste.
The rechargeable batteries in COWON products should
be replaced only by official COWON service centers.
Please contact for more
information on official COWON service centers.
Disposing the products with regular waste may cause
pollution to the environment due to the waste batteries
inside. Contact your local authorities for specified
locations / guidance of E-waste and waste batteries,
and dispose them in compliance with local regulation
/ guidance.
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