Package Contents Desc
ription of Each Part Po
wer Management Char
ging
Connections Firm
ware Upgrade
_01
02
03
05
06
07
12
Using the Device
Basi c Operations
Home Screen N
otification Bar
Purchasing Music from Store
AK CONNECT
Listening to Music
Manage Playlist
USB DAC Installation
How to Use USB Audio
Automatic CD Ripping
Using Bluetooth Setti
ngs
Connecting to Wi-Fi
Equalizer Setup
Miscellaneous
Safety cautions Troubl
eshooting Copyright C
ertifications Registere
d Trademarks Disclai
mers Specifications
_02
_03
13
17
19
22
23
29
32
35
36
37
39
41
46
47
50
52
53
54
54
54
55
User Guide
Package
Contents
Contents m ay be chang ed without prio r notice to improve the
perform ance or quality of the product.
PPF31
Protective Film
Type-C USB Cable
Protective Film: Pro tects the product’s scr een.
Type-C USB Cable: Connects the product to the PC or
charges the product.Quick Start Guide: It desc ribe s t he bas ic me thod of usi ng
the product.Warranty Card: The war ranty card is requ ired for cust omer
service s. Keep the w arr anty car d for te chnical support .User Guide: The U ser Guide can be downloa ded fr om the
Aste ll&Ker n website.
[http://www.a stellnkern.com/ > Supp ort > Download]. Micr
o SD Card Slot Cover: Prot ects the mic ro SD card s lot wh
en not in use . It is inst alled on the product by default.
The product does not include any micro USB cable.
Quick Start Guide
& Warranty Card
Micro SD Card Slot Cover
Getting Started 2
User Guide
Description
of Each
Part
The appearance of the product as well as the printed and
engraved information may vary depending on the model.
3.5mm Unbalanced Port
microSD card slot
Balanced Port for
External Devices
2.5mm Balanced Port
Next/FF
Replay/Pause
Previous/
Rewind
Type-C USB Port
Power/
Volume
LCD
Touchscreen
3.5mm Unbalanced Port: Connects to the earphones and the
headphones with 3.5mm unbalanced ports.
2.5mm Balanced Port: Connects to earphones and headphones
with 2.5mm balance ports for audio output.
Balanced Port for External Devices: Provides balanced output
when connected with an external device.
Micro SD Card Slot: Reads the files on the inserted micro SD card.
Type-C USB Port: Connect to a computer or recharge the device.
Power/Volume: Turn the wheel to adjust the volume of the sound.
Click: Turns the screen on and off.
LCD Touchscreen: Display the screen, and touch it to start.
Clic k and Hold - Turns the device on and off.
Home Button
Getting Started 3
User Guide
Previous/Rewind:
Short press - Plays the previous song or restarts the song.
Long press - Rewinds.
Play/Pause: Short press - Plays/pauses.
Long press - Returns to the playback screen.
Next/FF: Short press - Plays the next music.
Long press - Fast-forwards.
Home Button: Returns to the home screen.
Getting Started 4
User Guide
Power
Manage-
ment
Turning on/off Power
1. Long-press the [Power/Volume] to turn on the device.
2. While the device is on, long-press the [Power/Volume] to
shut down the device. A confirmation message will appear.
3. Press [Confirm] to turn off the device.
This device has an automatic shutdown feature to save battery po
wer. The device will turn off if there is no user input during the pe
riod defined in [Menu - Power - Automatic Shutdown] (See Page 4
5.)
Turn the Screen On/Off
1. While the screen is on, press the [Power/Volume] to turn
off the screen.
2. Press [Power/Volume] again to turn it on.
This device has an automatic timeout feature to save battery power.
The screen will turn off if there is no user input during the period
defined in [Menu - Power - Screen Timeout]. (See Page 45.)
Reset Function
1. In cases of unexpected device failure or freeze, press
[Power] for 12 seconds to force a shutdown.
The device can be restarted after a shutdown.
Resetting the device will not affect the stored data or time setting.
Do not use the reset function while the product is in use. Doing so
may corrupt the data on the device.
Getting Started 5
User Guide
Charging
Charging Via PC
1. Connecting to PC via Type-C USB cable will also charge
the product.
Charging Time: Maximum 8 hours (Completely run-down and pow
er-off) Depending on the PC specifications, the charging process
may require turning on the PC.
When charging via PC connection, the charging time may vary dep
ending on whether the device is turned on or off.
Some PCs in power-saving mode may not charge the device.
The built-in battery will gradually lose capacity over time with rep
eated charging/running-down.
Do not use cables other than Type-C USB cable and micro USB ca
ble. Doing so may cause a malfunction.
Charging Via Adapter
1. Commercially available 9V 1.67A adapters may be used f
or charging.
Fast charging: Maximum 2 hours (Completely run-down, Power-off,
9V 1.67A adapter) / Normal charging: Maximum 2 hours (Complet
ely run-down, Power-off, 5V 2A adapter)
A fast c harger of 9V 1.67A may be used. Using a 12V adapter will not
charge the product and may cause malfunctions.
Getting Started 6
User Guide
Connec-
tions
3.5mm Unbalance Port
1. Connect earphones or headphones to the 3.5mm
unbalanced port.
OR
Connect to the 2.5mm Balanced Port
1. Connect earphones and headphones to the 2.5mm balance port.
OR
Balanced Audio Device
1. Connect to an external audio device by using the Earphones
port and Balanced port in conjunction.
Earphones Balanced Port (LR)
Port (Ground)
Astell & Kern balanced cable (PEF12, PEF21) is not supported.
Getting Started 7
User Guide
Connecting to PC
1. Turn on the device and your PC.
2. Connecting the product to PC using Type-C USB cable will
follow the [Menu - USB Connection] settings.
Media Device (USB Drive): Transfer files from a PC to the
device.
DAC Input: Listen to music on a connected PC through
the device. (See Page 36.)
Mac users need to download and install the MTP program from the
Astell&Kern website. [http://www.astellnkern.com > Support > Do
wnload]
For an optimal connection, quit any unnecessary programs before
connecting the device to the computer.
Do not use cables other than the Type-C USB cable provided with the
product.
Windows XP users require Service Pack 2 and Windows Media Pla
yer 10 to be installed for the computer to recognize the USB device. Do
wnload Windows Media Player and required Service Packs from th
e Microsoft website. http://www.microsoft.com
Disconnecting from the Computer
1. Disconnect the Type-C USB cable after the transfer
between the product and PC is completed.
Disconnecting the device from the computer during an operation (
e.g., file transfer) may corrupt data on the device.
Getting Started 8
User Guide
Copy Files (Folders) to the Product
1. To copy files/folders from your computer, select the desired
files/folders and drag & drop them into the USB device.
Connect the Type-C USB cable correctly.
Turning off the product or disconnecting the Type-C USB cable while
copying or moving files/folders may cause serious damage to the
memory.
File transfer speeds may be affected by the computer and/or the OS
environment.
Getting Started 9
User Guide
Delete Files (or Folders) from the Product
1. Right-click the desired file/folder, and then select [Delete].
2. Select [Yes] in the [Confirm File/Folder Deletion] window
to delete the selected files/folders.
Insert/Remove a Micro SD Card
1. Refer to the diagram and gently
insert a micro SD card into the
micro SD card slot.
2. To safely remove a micro SD
card, select [Safely remove SD
card] from the Notification Bar
or select [Dismount SD card]
from [Menu - System Informa
tion].
3. Gently press the micro SD card
to release it from the slot.
Getting Started 10
User Guide
Recommended micro SD Cards
Micro SD: SanDisk, Transcend
Maximum Capacity: 256GB
Notes on In serting Micro SD Card
When inserting the micro SD card, do not use excessive force.
This may cause the product and the card to malfunction.
Do not repeatedly insert/remove the micro SD card.
If the card is improperly inserted, it may become immovable or
cause damage to the device.
Notes on removing a micro SD card
Be sure to safely dismount and remove the micro SD card from
the device. Not following the proper procedure may corrupt data
and cause serious damage to the system.
Do not disconnect the micro SD card during use. Doing so may
damage the micro SD card, corrupt or delete data and cause the
device to malfunction.
Notes on Using Micro SD Card
If the micro SD card is not recognized or is not functioning
properly, format the card, preferably in FAT32 system.
Using cards other than the recommended micro SD card may
cause malfunctions.
A micro SD card is not included in the product package. Purchase
a micro SD card separately.
Getting Started 11
User Guide
Firmware
Upgrade
Wi-F i Update / OTA (Ov er-the -Ai r)
1. Connect to a wireless network.
2. When a new firmware version is available, the screen will
display a Firmware Update Guide window.
3. Select [Update] and choose the items for update.
4. Follow the on-screen instructions and proceed with the
firmware upgrade.
Fo r Wi-Fi connec tions, se e Pag e 47.
The firm ware up grade may not initia lize if the batt ery lev el is too l
ow. (A min imum bat tery leve l of 50% is require d.)
Moving to another scree n dur ing a file downlo ad will ca ncel the do
wnload .
Do not disc onnect from the wirele ss ne twork whi le downlo ading a f
irmw are u pgrade. Doing so may cause data c orruption and/or d am
age to the sys tem.
If an e rror occ urs or the notice in the Not ification Bar disap pears d
urin g an upgrade, download the fir mware update aga in thr ough [M
enu - Upd ate - Syst em Update] .
Getting Started 12
User Guide
Basic
Operations
LCD Touchscreen
1. This device features an LCD touchscreen that allows you
to perform operations by touch.
Interact with the device by touching the screen to access
various features.
To prevent damage to the screen, do not use a sharp object or exce
ssive force.
Return to the Home Screen
1. Press [ ] to go to the Home Screen.
Home Screen
Using the Device 13
User Guide
Menus
1. Touch and drag to the right and left in the home screen to
display menus.
Notification Bar
1. Touch and drag up and down on the home screen to display
the notification bar.
Using the Device 14
User Guide
View Current Playlist
1. Touch and drag right and left on the home screen to display
the current playlist.
Now Playing
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
View Past Playlists
1. Touch and drag up and down on the home screen to display
previous playlists.
Play Histor y
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Using the Device 15
User Guide
Moving Up/Down on the List
1. Scroll through the list by dragging
up and down.
Now Playing
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Sub text
Title Text
Using the Device 16
User Guide
Home
Screen
1
2
3
4
5
6
7
8
1
Menus
Details
2
Song Duration
3
4
Current Album Goes to the album of the current
Add to Playlist Add the selected song to the
5
6
Title
Displays menus.
Displays current song information.
Indicates the song’s total duration.
Pres s to switch from elapsed time
to remaining time.
song.
playlist.
Song title information.
File name is displayed when
ID3Tag is unavailable.
9
10
11
12
13
14
15
16
17
Using the Device 17
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