IRiver Astell&Kern AK70 User manual

INSTRUCTION BOOK
AK70
User Guide

Package Contents
AK70 at a Glance
Power Management
Charging
Connections
Firmware Upgrade
02
03
04
05
06
11
Getting Started _01
Basic Operations
Home Screen
Notification Bar
Store
AK Connect
Listening to Music
Playlist Management
USB DAC Installation
How to Use USB Audio
CD Ripping
Using Bluetooth
Settings
Connecting to a Wireless Network
Equalizer Setup
12
14
15
18
19
25
31
34
35
36
38
40
45
46
Using the Device _02
Safety Precautions
Troubleshooting
Copyright
Certifications
Specifications
Registered Trademarks
Disclaimers
49
50
52
52
54
55
55
Miscellaneous _03
CONTENTS

User Guide
AK70
microSD Card Slot Cover
Micro-USB Cable
Protective Film: Protect the device and its screen.
Micro-USB Cable: Connect the device to a computer or
charge the device.
Quick Start Guide: Basic overview of device functionality.
Warranty Card: The warranty card is required for customer
and technical support. Do not misplace the card.
User Guide: The User Guide can be downloaded from the
Astell&Kern website.
[http://www.astellnkern.com/ > Support > Download].
MicroSD Card Slot Cover: The cover is used to protect the
microSD card slot when not in use. It is installed on the
product by default.
Contents may be changed without prior notice to improve the
performance or quality of the product.
Package
Contents
Protective Film
Getting Started 02
Quick Start Guide
& Warranty Card

Earphones: Output sound to connected earphones.
Power: Turn the screen on and off.
Long press - Turn the device on and off.
Balanced Out: Output sound to earphones or headphones
that support balanced audio connections. Connect to an
external audio device by using both the earphone port
(ground) and balanced audio port (LR) in conjunction.
Micro-USB Port: Connect to a computer or recharge the
device. You can enjoy USB audio by connecting with a portable
USB DAC (refer to p. 35).
Expansion Unit Balanced Out: Output sound to an
expansion device that supports balanced audio connections.
Previous/Rewind: Play the previous song or restart the song.
Long press - Rewind.
Getting Started 03
User Guide
The appearance of the product as well as the printed and
engraved information may vary depending on the model.
AK70 at
a Glance
Play/Pause
microSD
Card Slot
Home Button
LCD
Touchscreen
Volume
Next/
Fast-Forward
Previous/
Rewind
Earphone Jack
Power Micro-USB Port
Balanced
Audio Port
Balanced Audio
Pin Map
R- R+ L+ L-

User Guide
This device has an automatic shutdown feature to reduce battery
consumption. The device will turn off after a defined period if there
is no user input. [ - Power Saving - Automatic Shutdown] (See p.
43)
This device has an automatic timeout feature to reduce battery
consumption. The screen will turn off after a defined period of time
if there is no user input. [ - Power Saving - Screen Timeout] (See
p. 43)
Turn the Screen On/Off
1. While the screen is on, press the [ ] button to turn
off the screen.
2. Press the [ ] button again to turn off the screen.
Turn On/Off
1. Long-press the [ ] button to turn on the device.
2. While the device is on, long-press the [ ] button to
display a shutdown confirmation message.
3. Press [Confirm] to turn off the device.
Power
Manage-
ment
Getting Started 04
Play/Pause: Play or Pause a song.
Long press - Show the playback screen.
Next/Fast-Forward: Skip to the next song.
Long press: Fast-forward.
LCD Touchscreen: Display with touch control.
Volume: Control the volume by turning the wheel.
microSD Card Slot: Insert a microSD card and access its files.
Home Button: Show the home screen.

Getting Started 05
User Guide
1. Connect the device to the PC using the supplied Micro USB
cable. Charging starts.
Reset Function
1. In cases of unexpected device failure or freeze, press the
[ ] button for 12 seconds to force a shutdown. The
device can be restarted after 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.
Charging time: up to 8 hours (fully discharge, power OFF)
You may have to turn on a computer to start charging depending on
computer specifications.
When charging via PC connection, the charging time may vary
depending on whether the device is turned on or off.
If a computer goes into standby/sleep mode, the device may not be
charged depending on computer specifications.
The built-in battery will gradually lose capacity over time according
to the number of charges/discharges.
Do not use any micro-USB cable other than the one supplied with
the device. Doing so may cause a malfunction.
Charging time: up to 4 hours (fully discharge, power OFF)
When using a high-speed charger that is supported with various
voltages such as 5V/9V/12V, the charging may not proceed normally
and it may cause the product to malfunction.
Charging using PC
1. Charging is possible by using the 5V 2A output adapter
(sold separately).
Charging using the adapter
Charging

User Guide
Connec-
tions
Earphones/Headphones
1. Connect earphones or headphones to the earphones port.
Getting Started 06
Balanced Earphones/Headphones
1. Connect supported earphones or headphones to the
balanced port.
OR
OR
Balanced Audio Device
1. Connect to an external audio device by using the Earphones
port and Balanced port in conjunction.
Earphones Port
(Ground)
Balanced Port (LR)
Astell & Kern balanced cable (PEF12, PEF21) is not supported.

User Guide
Getting Started 07
Connecting to a Computer
1. Turn on the device and your PC.
2. Connect the device to your PC as a standard USB device
by using a micro-USB cable. [ - Connect USB]
Media Device (USB Drive): Transfer files from a PC to
the device.
DAC input: Listen to music located on a PC through the
device. (See p. 34)
Mac users need to download and install the MTP program from the
Astell&Kern website. [http://www.astellnkern.com Support >
Download]
For an optimal connection, quit any unnecessary programs before
connecting the device to the computer.
Only use the micro-USB cable supplied with the device. Doing so
may cause a malfunction.
Windows XP users require Service Pack 2 and Windows Media
Player 10 to be installed for the computer to recognize the USB
device.
Download necessary Service Packs and Windows Media Player from
the Microsoft website. http://www.microsoft.com
Disconnecting from the Computer
1. Verify that all operations are completed before attempting
to disconnect the device from the computer.
Disconnecting the device from the computer during an operation
(e.g. file transfer) may corrupt data on the device.

User Guide
Getting Started 08
Copy Files/Folders to the Device
1. To copy files/folders from your computer, select the desired
files/folders and drag & drop them into the USB device.
Make sure that the micro-USB cable is securely connected.
Note that removing the micro-USB cable or turning off the device or
computer during a file transfer may corrupt data on the device.
File transfer speeds may be affected depending on the computer
and/or OS environment.

Getting Started 09
User Guide
Insert/Remove a microSD Card
1. Refer to the diagram and
gently insert a microSD
card into the microSD
card slot.
2. To safely remove a microSD
card, select [Safely remove
SD card] from the Notification
Bar or select [Unmount SD card]
from [ - System Information].
3. Gently press the microSD card
to release it from the slot.
Delete Files/Folders on the Device
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 file/folder.