Dreamus Astell & Kern PPS22 User manual

INSTRUCTION BOOK
PPS22
User Guide

CONTENTS
Package Contents
Product Overview
Power Management
Charging
Connections
Firmware Updates
02
03
05
06
07
13
Getting Started _01
Basic Operations
Home Screen
Notification Bar
Using Open APP Service
AK CONNECT
AK File Drop
Listening to Music
Playlist Management
USB DAC Installation
How to Use USB Audio
CD Ripping
AK CD-Player
Car Mode
Bookmark Function
Favorites Function
Settings
Connecting to Wi-Fi
Using Bluetooth
Equalizer Setup
Using the Device _02
Safety Pre-Cautions
Troubleshooting
Copyright
Certifications
Registered Trademarks
Disclaimers
Specifications
14
19
21
24
25
30
32
35
38
39
40
42
43
44
45
46
54
55
58
61
63
64
65
67
68
69
Miscellaneous _03

User Guide
Contents may be changed without prior notice to improve the
performance or quality of the product.
Package
Contents
Getting Started 02
Protective Film: Protect the device and its screen.
microSD Card Slot Cover: The cover is used to protect the
microSD card slot when not in use. It is installed in the
product by default.
USB Type-C Cable: For charging and data transfer.
Quick Start Guide: Basic overview of device functionality.
Warranty Card: Provides warranty details for your device.
Maintain a copy of this card as it may be required for future
technical support requests.
User Guide: The User Guide can be downloaded from the
Astell&Kern website.
[http://www.astellnkern.com > Support > Download]
Quick Start Guide
& Warranty Card
USB Type-C CablemicroSD Card
Slot Cover
Protective FilmPPS22

Getting Started 03
User Guide
The appearance of the product, as well as the printed and
engraved information, may vary depending on the model.
Product
Overview
microSD Card Slot
LCD Touchscreen
2.5mm Balanced Port
4.4mm Balanced Port
3.5mm Unbalanced Port
Volume
Power Button
Previous/Rewind
Play/Pause
Next/
Fast-Forward
USB Type-C Port

Power: - Power symbol.
Short press - Turns the screen on or off.
Press and hold - Turns the device on or off.
Volume: Turn the wheel to adjust the playback output
volume level.
3.5mm Unbalanced Port:
- 3.5mm Unbalanced Port symbol.
For audio output, connect earphones or headphones that
utilize a 3.5mm jack.
4.4mm Balanced Port: - 4.4mm Balanced Port symbol.
For audio output, connect earphones or headphones that
utilize a 4.4mm jack.
2.5mm Balanced Port: - 2.5mm Balanced Port symbol.
For audio output, connect earphones or headphones that
utilize a 2.5mm jack.
Previous/Rewind:
Short press - Play the previous song or restart the current
song.
Press and hold - Rewind the current song.
Play/Pause: Play or pause the current song.
Next/Fast-Forward:
Short press - Play the next song.
Press and hold - Fast-forward the current song.
LCD Touchscreen: Display screen with touch control features.
microSD Card Slot: - microSD Card Slot symbol.
Insert a microSD card to access its files.
USB Type-C Port: - DC Power symbol.
For charging and data transfer.
User Guide
Getting Started 04

Getting Started 05
User Guide
Resetting the device will not affect stored data or time settings. Do
not use the reset function while the product is in use. Doing so may
corrupt the data on the device.
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 - Settings - Timer Settings - Screen Timeout]. (See
Page 51)
Reset Function
1. In case of unexpected device failure or freeze, press and
hold [Power] for 7 seconds to force a shutdown. The device
can then be restarted after the shutdown is complete.
Turning the Screen On/Off
1. While the screen is on, press the [Power] button to turn
off the screen.
2. Press [Power] button again to turn it on.
This device has an automatic shutdown feature to save battery
power. The device will turn off if there is no user input during the
period defined in [Menu - Settings - Timer Settings - Auto Power
Off] (See Page 51)
Powering the Device On/Off
1. Press and hold the [Power] button to turn on the device.
2. While the device is on, press and hold the [Power] button
to shut down the device. A confirmation message
will appear.
3. Press [OK] to turn off the device.
Power
Manage-
ment

User Guide
Getting Started 06
Normal charging: Approx. 5 hours (Fully discharged, Power-off, 5V
2A adapter)
The manufacturer shall not be responsible for problems caused by
the use of adapters that do not adhere to the recommended
specifications.
Charging via USB Wall Adapter
1. Commercially available 5V 2A output adapters may be used
for charging.
Charging

Getting Started 07
User Guide
Connec-
tions
3.5mm Unbalanced Port
1. Connect earphones or headphones to the 3.5mm
unbalanced port.
OR
2.5/4.4mm Balanced Port
1. Connect earphones or headphones that support a 2.5mm
or 4.4mm headphone jack to the 2.5mm or 4.4mm balanced
port.
OR

Getting Started 08
User Guide
Connecting to a Balanced Audio Device
1. Connect to an external audio device by using the 3.5mm
unbalanced port and 2.5mm balanced port.
Unbalanced Port
(Ground)
Balanced Port
(LR)

Getting Started 09
User Guide
Connecting to a Computer
1. Turn on the device and your computer.
2.
Use the USB Type-C cable to connect the device to a computer
in accordance with settings in [Menu - Settings - USB Mode].
[Default] Media Device (USB Drive): Transfer files from a
computer to the device.
DAC Input: Listen to music on a connected computer
through the device. (See Page 39)
Mac users need to download and install Android File Transfer 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.
Do not use cables other than the USB Type-C cable provided with the
device. Doing so may cause malfunctions.
Use USB 2.0 only on Mac.
Type-C-to-Type-C cable is recommended when connecting with a
MAC that supports Type-C port.
When a USB connection is established while playing a DSD or DXD
file, a mode selection pop-up box will appear with the following
options:
External device connection: Connect the player to the computer to
transfer files, USB DAC for audio playback or CD Ripper connection.
Charge device: Charge the device.

Getting Started 10
User Guide
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 device folder.
Ensure the USB Type-C cable is properly connected.
Turning off the device, computer or disconnecting the USB Type-C
cable while copying or moving files/folders may corrupt files or
device memory.
File transfer speeds may be affected by the computer and/or the OS
environment.

Getting Started 11
User Guide
Delete Files (or Folders) from the Device
1. Select the file/folder to delete, right-click the mouse, and
then select [Delete].
2. Select [Yes] in the [Confirm File/Folder Deletion] window
to delete the selected files/folders.
Disconnecting from the Computer
1. Disconnect the USB Type-C cable after the transfer between
the device and computer is complete.
Disconnecting the device from the computer during a file transfer
may corrupt data on the device.

Getting Started 12
Maximum Capacity: 1TB
Notes on Inserting a microSD Card
Do not force the microSD card into the slot. Doing so may cause
malfunction of the product and damage to the card.
Do not repeatedly insert/remove the microSD card.
If not inserted properly, the microSD card may cause product
malfunctions and may become lodged in the product.
Notes on Removing a microSD Card
Be sure to safely remove the microSD card from the device.
Not following the proper procedure may corrupt data and cause
serious damage to the both the card and device.
Do not remove the microSD card during use. Doing so may cause
malfunction, delete data and damage the microSD card.
User Guide
Recommended microSD Cards
SAMSUNG, SANDISK
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,
on the Home Screen, select
[Safely remove SD card] from the
Notification Bar or select
[Unmount SD card] from
[Menu - Settings - System
Information].
3. Gently press the microSD card in
to unlock and release it from the
slot.

Getting Started 13
Notes on Using a microSD Card
If the microSD card is not recognized or functions improperly,
format the card, preferably in the FAT32 system.
Using cards other than the recommended microSD card types
may cause malfunctions.
A microSD card is not included in the product package. Please
purchase separately.
User Guide
For Wi-Fi connections, see Page 54.
The firmware update may not start if the battery level is too low.
(A minimum battery level of 20% is required.)
Do not disconnect from the wireless network while downloading the
update file. Doing so may cause data corruption and/or damage to
the system.
If an error occurs or the notice in the Notification Bar disappears
during an update, download the firmware update again through
[Menu - Settings - Update - System].
Moving to another screen during a file download will cancel the
download.
Wi-Fi Update / OTA (Over-the-Air)
1. Connect to a wireless network.
2. If a new firmware update is available, the screen will
display a Firmware Update Guide window.
3. Select [Update].
4. Follow the on-screen instructions to proceed with the
firmware update.
Firmware
Updates

Using the Device 14
User Guide
Basic
Operations
LCD Touchscreen
1. This device features a LCD touchscreen that allows you
to perform operations by touch.
Use the touchscreen to access various features on the
device.
To prevent damage to the screen, do not use a sharp object or
excessive force.
Return to the Home Screen
1. Press [ ] at any time to return to the Home Screen.

Using the Device 15
User Guide
Using the Back Function
Back Swipe Gesture
1. Swipe the navigation bar from right to left to return to the
previous screen.
Back Button
1. Press the Back Button to return to the previous screen.
This feature can be enabled or disabled under Settings - Input
Method - Back Button.

Using the Device 16
User Guide
Main Menu
1. From the left edge of the touchscreen, swipe your finger
right to display the Main Menu, or tap the “A” icon in the
upper left corner of the screen.
From the Home Screen, swipe your finger to the left, right,
up or down from any edge of the touchscreen to access display
menus. Each side of the Home Screen will activate a different
display menu.
Music files extracted using the AK CD-Ripper accessory that are
stored in the Ripping folder of the internal memory will be displayed
in the CD library menu.

Using the Device 17
User Guide
Notification Bar
1. From the top edge of the touchscreen, swipe your finger
down to display the Notification Bar.
View Current Playlist
1. From the right edge of the touchscreen, swipe your finger
left to display the Now Playing menu.