
Product specication may change without notice.
Due to the difference of Android compatibility, certain applications may not be installed and executed properly.

+ Copyright Notice
General
+ COWON is a registered trademark of COWON
SYSTEMS, Inc.
+ COWON 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.
+ COWON 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.
+ As soon as you purchase the product, visit the
website (http://www.COWON.com), and become a
registered member. You will benet from various
member services.
+ This manual is based on product specications,
and various exemplary texts, illustrations, pictures,
detailed functions and H/W and S/W specications
contained herein can be altered without any prior
notice by the copyright owner.
BBE information
+ BBE Sound, Inc. owns the license to the BBE
name and information as applied to this product,
in compliance with USP4638258, 5510752 and
5736897.
+ BBE and the BBE symbol are registered trademarks
of BBE Sound Inc.
All rights reserved by COWON SYSTEMS, Inc.
COWON D3
3

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.
+ Do not use this product for other purposes than those
described in this manual.
+ Handle the manual, product packaging materials, accessories,
etc. with care to prevent cuts and injuries to your body.
+ For 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.
+ The 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.
+ Listening at high volume (85 dB and above) for an extended
period of time may harm your hearing.
+ For your protection, use the player in a well lit area where the
LCD screen will not cause strain to your eyes.
+ Do not attempt to disassemble the player. Disassembly will
void the warranty and the unit will be permanently disqualied
from any warranty services.
+ Be sure to use only the USB power adaptor and USB
cable approved by COWON SYSTEMS, Inc.
+ When 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).
+ Do 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.
+ Take 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.
+ Do not drop or expose the product to hard impact. This may
result in malfunctions and/or unit failure, voiding the warranty.
+ If 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.
+ If you nd any abnormalities with the battery such as swelling,
press the RESET button immediately to stop the operation and
contact the place of purchase.
+ Do 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 classied as a user’s misuse.
COWON D3
4

Before you start!
+ Precaution
+ Touching the player with wet hands may cause damages
and malfunctions.
+ Using the player in places with high occurrences of static
electricity may cause malfunctions.
+ Keep the player away from magnets and direct magnetic
elds, as they can cause malfunctions.
+ Be 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 re
hazards.
+ Maintain the device within the temperatures
specied below in order to prevent fatal damages
to your player.Operating temperature : 0°C ~ 40°C
Storage temperature : -10°C ~ 50°C
+ Keep the player in cool and ventilated places, away from
direct sunlight as it may cause deformation and damages
to internal circuitry or LCD screen.
+ Do 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.
+ In 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.
+ All data stored in the player may become deleted when
the player is serviced. Our Service Center does not
backup les while repairing players. Please note that
COWON SYSTEMS, Inc. is not responsible for any data
loss from products entrusted to us for service.
+ The price of the product may uctuate due to
unexpected commercial conditions. COWON SYSTEMS,
Inc. accepts no liability to compensate for any price
uctuation.
+ Be careful not to be torn or ruptured by any sharp
materials, such as animals’ teeth.
+ When formatting the removable disk, be sure to use only
the specied le system written in this manual.
COWON D3
5

Before you start!
+ Package Components
COWON D3
Earphones
Manual CD,
Quick Guide
USB Cable AC Adaptor
HDMI Cable
(Optional)
Actual package contents may differ from the above images.
*
AV Cable(Composite, S/PDIF)
(Optional)
COWON D3
6