Package Contents
PPM 41 at a Glance
Power Management
Charging Connecti
ons Firmware Upgr
ade
_01
02
03
04
05
06
11
Using the Device
Basic Operations
Home Screen N
otification Bar S
tore
AK Connect Listenin
g to Music Playlist M
anagement USB DA
CInstallation
How to Use USB Audio
CD Ripping
Using Bluetooth
Settings
Connecting to a Wireless Network
Equalizer Setup
Miscellaneous
Safety Precautions Tro
ubleshooting Copyrigh
t Certifications Specifi c
ations Registered Tra d
emarks Disclaimers
_02
_03
12
14
15
18
19
25
31
34
35
36
38
40
45
46
49
50
52
52
54
56
56
UserGuide
Package
Contents
Contents may be changed without prior notice to improve the
performance or quality of the product.
PPM41
Protective Film
Micro-USB Cable
Protective Film: Protect the device and its screen. Mic
ro-USB Cable: Connect the device to a compute ror ch
arge the device.
Quick Start Guide: Basic overview of device functionality. W
arranty Card: The warranty card is require d for c ustomer a
nd technical support. Do not misplace the c ard.User Guide: The User Guide can be downloaded from the
Astell&Kern website.
[http://www.astellnkern.com/ > Support > Download]. Mic r
oSD Card Slot Cover: The cover is used to protect the mi cr
oSD card slot when not in use. It is ins talled on the prod
uct by default.
Quick Start Guide
& Warranty Card
microSD Card Slot Cover
Getting S tarted 2
UserGuide
PPM41
at a Gla
nce
The appearance of the product as well as the printed and
engraved information may vary depending on the model.
Earphone Jack
Power Micro-USB Port
Balanced
Audio Port
Volume
LCD
Touchscreen
Home Button
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 e
xternal audio device by using both the earphone port (g ro
und) and balanced audio port (LR) in conjunction.Micro- USB Port: Connect to a computer or recharge the d
evice. You can enjoy USB audio by connecting with a portable
USB DAC (refer to p. 35).
Previous/Rewind: Play the previous song or restart the song.
Play/Pause: Play or Pause a song.
Long press - Rewind.
Long press - Show the playback screen.
Getting S tarted 3
UserGuide
Next/Fast-Forward: Skip to thenext song.
CD Touchscreen: Display with touch control. Vol
ume: Control the volume by turning the wheel.
microSD Card Slot: Insert a microSD card and access its files.
Home Button: Show the home screen.
Long press: Fast-forward. L
Power
Manage-
ment
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.
This device has an automatic shutdown feature to reduce battery c
onsumption. The device will turn off after a defined period if there i
s no user input. [ - Power Saving - Automatic Shutdown] (See p. 4
3)
Turn the Screen On/Off
1. While the screen is on, press the [ ] button to turn
off thescreen.
2. Press the [ ] button again to turn off the screen.
This device has an automatic timeout feature to reduce battery con
sumption. The screen will turn off after a defined period of time if t
here is no user input. [ - Power Saving - Screen Timeout] (See p. 4
3)
Getting S tarted 4
UserGuide
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
Charging using PC
1. Connect the device to the PC using the supplied Micro USB
cable. Charging starts.
Charging time: up to 8 hours (fully discharge, power OFF)
You may have to turn on a computer to start charging depending on
computerspecifications.
When charging via PC connection, the charging time may vary dep
ending 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 batterywill gradually lose capacityover time according
to the number of charges/discharges.
Do not use any micro-USB cable other than the one supplied with
the device. Doi ng so may causea malfunction.
Charging using the adapter
1. Charging is possible by using the 9V 1.67A output adapt
er
(sold separately).
Charging time: up to 4 hours (fully discharge, power OFF)
When using a high-speed charger that is supported with various v
oltages such as 5V/9V/12V, the charging may not proceed normally
and it may cause the product to malfunction.
Getting S tarted 5
UserGuide
Connec-
tions
Earphones/Headphones
1. Connect earphones or headphones to the earphones port.
OR
Balanced Earphones/Headphones
1. Connect supported earphones or headphones to the
balanced port.
Balanced Audio Device
1. Connect to an external audio device by using the Earphones
port and Balanced port in conjunction.
OR
Earphones Port Balanced Port(LR)
(Ground)
Astell & Kern balanced cable (PEF12, PEF21) is not supported.
Getting S tarted 6
UserGuide
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] Medi
a 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 > Dow n
load]
For an optimal connection, quit any unnecessary programs before c
onnecting the device to the computer.
Only use the micro-USB cable supplied with the device. Doing so m
ay causea malfunction.
Windows XP users require Service Pack 2 and Windows Media Pla y
er 10 to be installed for the computer to recognize the USB devic e.
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.
Getting S tarted 7
UserGuide
Copy Files/Folders to the Device
1. Tocopy 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 OSenvironment.
Getting S tarted 8
UserGuide
Delete Files/Folderson 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.
Insert/Remove a microSD Card
1. Refer to the diagram and
gently insert a microSD
card into the microSD c
ard slot.
2. To safely remove a microSD c
ard, select [Safely remove S
D 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.
Getting S tarted 9
UserGuide
Recommended microSDCards
Brand : SanDisk, Transcend
Maximum supported microSD card capacity: 128GB
Notes on inserting 128GB microSD card.
Do not force the microSD card into the slot. Doing so may cause
damage to the device and/or microSD card.
Do not repeatedlyinsert/remove the microSD card.
If the microSDcardis improperlyinserted,it maybecome immovable
or causedamage to the device.
Notes on removing a microSD card
Be sure to safely unmount and remove the microSD card from the
device. Not following the proper procedure may corrupt data and
causeserious damage to the system.
Do not remove the microSD card while it is in use. Doing so may
cause data corruption/deletion, malfunction, and damage to the
microSD card.
Miscellaneous
If the device is unable to recognize the microSD card and/or malf
unctions, format the memory cardbefore use. We recommend usi
ngthe FAT32 format.
Using microSD cards other than the recommended brands may
causedevice malfunction.
A microSD card is not included with thi s device. P lease purchase
separately.
Getting S tarted 10
User Guide
Firmware
Upgrade
Wi-Fi Update / OTA (Over- the-Air)
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.
Refer to page 45 of the manua l for more i nformation on connecting to
a wireles s network.
The fir mware upgr ade may not initial ize if the bat tery level is too l
ow. (A minimum batte ry level of 50% is req uired.)
Moving to anoth er screen during a file download wi ll can cel the do w
nload .
Do not disc onnect from the wireless network while do wnloading a f ir
mware upgrade. Do ing so may cau se data co rruption and/or da m age
to the system .
If an err or occur s or the notice in the Notification Ba r disapp ears d uri
ng an upgra de, downlo ad the firmwar e updat e again through
[ - Update - Sy stem Update].
Getting S tarted 11
UserGuide
Basic
Operations
LCDTouchscreen
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.
Toprevent damage, do not use a sharp object or use excessive force
when touching thescreen.
Return to the Home Screen
1. Press the [Home] button at any time to return to the
Home Screen.
HomeScreen
Using the Device 12
UserGuide
Moving a list in the home screen
1. You can move the list by dragging
the home screen [up] / [down].
Navigating Up/Down in a List
1. Scroll through the list by dragging
the list screen [up] and [down].
Using the Device 13
UserGuide
Home
Screen
1
2
3
1 AK CONNECT
2 CurrentSong
3 Search Options
The search options can be long-pressed and dragged to change the
irlocations.
Launches AK Connect.
Currently playing song information.
View the list of songs by different
search options.
Using the Device 14
UserGuide
Notification
Bar
1
2
9
10
11
3
4
5
6
7
8
Using the Device 15
12
13
14
15
16
UserGuide
1
2
3
4
5
6
7
network.)
8
9
10
Notification
Notification Bar
Wi-Fi
Bluetooth
EQ
Gapless
Playback
Line Out Turn Line Out on or off.
Wi-Fi Speakers
s Display
FileSearch Enter keywords to display a
Settings Displays a list of settings.
Expand or collapse the notifi
cation bar by dragging the bar
down or up, respectively.
Press [ ] to turn Wi-Fi on
or off.
Press [ ] to turn Bluetooth
on or off.
Press [ ] to turn the EQ o
n or off. The most recent EQ s
ettings are applied by default.
Press [ ] to turn Gapless
Playback on or off.
Turn Wi-Fi speakers on or off.
(Must be on the same
(The icon will become enabled
when AK Connect is turned on.)
Notification contents are
displayed in this area.
list of items containing the
search terms.
Using the Device 16
UserGuide
11
PC Connection Select the appropriate mode
Mode
when connected to a computer.
DISK
:USB drive mode for tra
nsferring media files.
:Listen to music located on
a PC through the device.
12
ScreenLock
Press [ ] to turn the screen lock
on or off. The volume wheel is disabled
whenthescreenlock icon is activated.
13
Play Mode
Press [ ] to cycle through
different playmodes.
:Sequential playback.
:Shuffle playback.
14
Repeat Mode
Press [ ] to cycle through
different Repeatmodes.
:Repeat the entire playlist.
:Repeat the current song.
:Disable repeat.
15
USB Audio
Please turn on or off USB audio
output after connecting thedevice
with the portable USB DAC (ref
er to p. 35).
Ripper Power
Turn the CD Ripper on or off.
(Enabled when connected to
the AK CD Ripper.)
16
Screen Br
ightness
Use the adjustment bar to co
ntrol the display brightness.
Long-press [ / / / / ] to move to the corresponding
screen.
Using the Device 17
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