xDuoo NANO-D3 User manual

NANO-D3
Manual
www.xduoo.com

Introduction:
NANO D3 is a portable high-fidelity lossless music player,
using IPS high-definition full-angle display, CNC aluminum alloy
shell, small size, easy to use and portable. It can support most of
the lossless audio formats, can support the master level 24Bit /
192Khz HD sampling rate songs, and support the current popular
DSD format, maximum support DSD256, so you always enjoy the
shock of high-definition music. As for storage capacity, except for
built-in 8G memory, it also support external expansion capacity,
maximum support 256GB TF / Micro SD card! The display is IPS
high-definition full-angle screen, clear and delicate picture quality,
enhance the visual experience. A great companion for your daily
life.
Key Features:
◆ IPS high-definition full-angle display, clear and delicate picture
quality, enhance the visual experience.
◆ Support DFF, DSF, AAC, APE, FLAC, WAV, MP3, WMA, OGG
mainstream audio format
◆ Support CUE music track file.
◆ 5 professional equalizer adjustment, built-in 5 kinds of common
sound effects.
◆ Maximum support PCM 24bit / 192khz master tape file, the
maximum support DSD256 high-definition music files.
◆ Built-in 8GB memory, maximum support 256G TF(Micro SD
card)
◆ Using TI's rail-to-rail current-mode op amp LMH6643.
◆ The use of high-efficiency power conversion chip to provide
positive and negative power supply to the power amplifier chip,

constitute the OCL circuit structure, greatly improving the output
signal dynamic range.
◆ Using physical key operation, easy to use
◆ CNC aluminum alloy shell, small size, durable
◆ Built-in high-capacity rechargeable lithium-ion battery can be
played continuously for 20 hours.
Specifications:
◆Display: 2.0 inch IPS HD full view, resolution 240 * 320
◆Body material: CNC aluminum alloy shell, the surface blasting
◆Battery: Built-in 3.7V rechargeable battery, 900mAh capacity
◆Master: Rockchip RKNanoD
◆Memory: Built-in 8GB storage space
◆Extended memory: Support TF (micro SD card), maximum
support 256GB
◆Size: 45 * 83 * 13mm
◆Weight: 70g
Main features:
◆Data transfer: Micro USB2.0 high speed
◆Language support: Simplified Chinese, Traditional Chinese,
English, Korean, Japanese, French, German, Portuguese, Russian,
Swiss, Thai, Polish, Danish, Dutch, Greek, Czech, Turkish, Jewish,
Arabic, Spanish, and Indonesian
◆Song management: Support deleting songs, support to add
favorites.
◆Breakpoint memory: Support for track/location memory
◆Play display: Support built-in cover (picture size cannot exceed
640*640), lyrics, ID3

◆Lyrics file encoding format: ANSI, UTF8
◆CUE file encoding format: ANSI, UTF8
◆EQ adjustment: 5 sections of professional equalizer adjustment,
built-in 5 kinds of common sound effects
◆Interface detection: pull out the headset and the playback will
automatically pause
Supported audio formats:
Support DSD: DSF, DFF
Sampling rate: DSD64-256 (1bit / 2.82-11.28MHZ)
Lossless PCM format: APE, FLAC, WAV
Sampling rate: 16-24bit / 44.1-192khz
Lossy compression formats: MP3, WMA, OGG, AAC
Support CUE track format
Performance parameters:
Output power: 250mW (32Ω load)
Frequency response: 20Hz ~ 20KHz (± 0.5dB)
Gain: + 3dB
Distortion: 0.005% (1KHz)
Signal to noise ratio: 107dB
Adapter headphone impedance: 8Ω ~ 150Ω
Battery Life:> 20H
Charging time: <3H
Interface Function Description:
MICRO USBMICRO SD
PHONE LINE OUT
1 2 4 3

Manual:
① Headphone Jack: can be connected to 8-150Ω impedance of
the headset.
②Line out port: chip decoder output, used to connect the amplifier
AUX IN port
③ Micro USB: connect the computer to send files, can also be
used for charging
④ SD card: Micro SD card plug, the maximum support 256GB card
(only supports FAT32 format card)
①Back key: short press back to the last level, long press directly
back to the main menu interface
② OK key: short press to confirm, long press to pop out shortcut
menu
③ Previous / Rewind: short press back to previous song, long press
fast forward.
④ Next / Fast forward: short press a song, long press fast forward.
⑤ On / Off: long press to boot, boot, short press to open / close
Key operation instructions:
1. Copy some songs to the player, or
insert TF card with songs in it, and then
turn on the player, tune the volume to
30 or so.
2. Connect the headset to this player.
3. Browse and select your favorite
song, press OK to play.
4. Adjust the volume to the appropriate
level and listen to the music

the screen, press and hold.
⑥ Volume +: each short press to increase one level of a volume,
long press is to increase the volume until the maximum.
⑦ Volume -: Each short press to reduce the level of a volume,
long press is to reduce the volume until the minimum.
⑧ Reset button: the machine crashes or abnormal, poke the reset
button to restart.
Interface description:
1. Player interface
Boot directly into the player interface, the interface described
RESET
VOL
13
5
6
7
8
4
2

Note:
①. Press and hold the key in this interface to display the current
song’s details, press and hold again to quit.
②. Album cover currently only support song embedded pictures,
the covers placed inside the folder picture cannot be displayed.
③. Album cover cannot dssplay with the lyrics at the same time,
you can set the priority in the music settings.
④. Lyrics file’s name should be the same as the song name then
it may display the lyrics.
2. Main menu interface
Press and hold BACK key to enter the main menu interface. Press
the Up / Down key to select in the menu and press the OK key to
enter.
Volume level
Album cover
Lyrics
Progress bar
Song name
Artist Sampling Rate
Play mode
Song time
Power
Insert the TF card
Turn on sleep
shutdown mode
EQ icon
Playback status
Plug in headphones

Menus are described as follows:
key to enter, browse the file, press OK to play. If you need to add
the file to your favorites, press and hold the Enter key to add the
song to your favorites.
2. Playing
Press the Enter key to enter the playback interface
3. Folder
Browse files in the local disk or SD card disk (when entering a
different disk, the corresponding disk files will automatically load
into the music list inside), into the disk, browse the file, select and
press OK to play. If you need to delete the file, then press the OK
key, the pop-up dialog box will ask you if you want to delete the
file.
4. Favorite
To the browse favorite file, press OK to play, long press to delete
the file or empty the favorites.
5. Music settings
1) Play mode: Sequential playback, Repeat all, Single repeat,
Random.
1. Music List:
(If to browse the local disk file from
FOLDER menu, then this list
corresponds to the establishment of
the local disk file; if you are browsing
file in the SD card, this list
corresponds to the establishment of
the SD card files)In the list, there are
All songs, Artists, Albums, Genre,
Directory list, Favorite, press the Up /
Down key to select, press the Enter

2) EQ settings: Preset and Custom settings. Press the OK key to
select the frequency band, press the up / down key to adjust the
EQ value, adjust the frequency band, press the OK key to exit, and
so on; after all the frequencies are set, press the back button to
exit EQ adjustment
3) priority display: refers to the playback interface, the priority
display album covers or lyrics, because these two cannot be
displayed at the same time.
4) Breakpoint playback: Track (last play track), Location (last playing
track location), Off (no memory).
5) Default volume: Memory (the same as before it was shutdown),
Custom (each boot a fixed volume)
6. System settings
1) Language settings: Select the language and press the OK key to
confirm.
2) Automatic shutdown: refers to the machine without any
operation, nor play music in the case, set the time to automatically
shut down
3) Sleep Timer: Set the countdown to force the player shutdown,
setting for bedtime music.
4) Lock key settings: Refers to lock specified button after the
screen turns dark, the operation of these buttons do not work after
turning off the screen.
5) Backlight time: Refers to how long before the player
automatically shut the screen when there is no operation.
6) Product information: View the firmware version
7) Format: TF card will be formatted into FAT32 format
8) Restore factory settings

The company will upgrade the firmware from time to time, in order
to repair a variety of BUGs to enhance the user experience, to
understand the latest firmware release time, informations can be
found through the following ways:
1. Please visit the official website: www.xduoo.com,
2. Call the official service Tel: [phone],
3. E-mail to official email: [email protected]
System Upgrade:
Use the supplied USB cable to connect the player to a running
computer or a qualified charger to charge it. When charging, the
unit will display the charging symbol.
Note:
1. Player can be charged while shutdown or power-on state, if the
player is not playing any songs, disconnect the charge then after 10
minutes the player will automatically shut down.
2. Charger requirements specifications: output voltage 5V, the
output current should be bigger than 1A or more.
3. It takes about 3 hours to fully charge.
4. You can also use the computer USB port to charge.
5. Charging while using might take a bit while longer to fully
charged. Recommend to charge after it is shutdown.
6. When you are not using the player in a long time, you should
charge the battery once every six months to avoid excessive
battery discharge.
Charging:
D3 player x1
USB cable x1
Screen protector x2
User manual x1
Warranty card x1
Package list:

If you are experiencing a problem with this product, please refer to
the following list of faults. If the problem persists, please contact
your local sales or contact our customer service. Please do not
dissemble the machine to maintenance.
Cannot boot
→ Please charge the battery, try to boot after 10 minutes.
→ When the battery life is less than half, the battery life may be
shortened, then you can contact the local dealer for battery
replacement.
Cannot be charged
→ When using the computer USB charging, please check whether
the USB cable is connected with the computer / the player firmly.
→ When using the computer USB charging, check that if the
computer is on and not in standby or hibernation.
→ When charging with the USB AC adapter, check that if its
specifications meet the requirements.
→ The battery may be fully charged, you can try to discharge 10
minutes before charging.
no sound.
→ Make sure the headphone plug is plugged in.
→ Adjust the volume level.
→ The playback may have been paused
→ To see whether the song file’s format is supported by the
player.
Lyrics faulty
→ Check if the lyrics file encoding format is correct, if not
supported by the player, open the file, and then re-save the file,
select the file code to the ANSI or UTF8
Trouble Shooting:

Does not support CUE files
→ Check if the CUE file encoding format is correct, if not in line
with the native support format, open the file, and then save the file,
select the file code for the ANSI or UTF8
Inserted TF card, but cannot see the songs in TF card from
Playback list.
→ Need to enter the SD card from the folder disk, the system will
update the SD card the song and load them into the music list
inside.
1. Do not place the unit in the sun or near the heat.
2. Do not place the unit in a very high temperature or dusty
position, and water containers should not be placed in the top of
the machine
3. Do not use chemical solvents to clean the machine, otherwise it
may damage the surface coating, please use a soft dry cloth to
wipe
4. When the machine is not going to be used for a long time,
please turn off the power supply and charge the product regularly
to ensure the battery life.
5. Do not disassemble the player, the player is without the user
dimension parts, it should be sent to the local dealer if it need to be
repaired.
Maintenance precautions:
Our products enjoy free warranty service for 12 months from the
date of sale. When the warranty period is exceeded, we will charge
the part cost appropriately. Accessories are not covered under
warranty.
Warranty information: