PPF33
INSTRUCTION BOOK
User Guide
CONTENTS
Getting Started
Package Contents
Product Overview
Power Management
Charging
Connections
Firmware Updates
_01
02
03
05
06
07
13
Using the Device
Basic Operations
Home Screen
Notification Bar
Using Open APP Service
AK CONNECT
Listening to Music
Playlist Management
USB DAC Installation
How to Use USB Audio
CD Ripping
Settings
Connecting to Wi-Fi
Using Bluetooth
Equalizer Setup
Miscellaneous
Safety Pre-Cautions
Troubleshooting
Copyright
Certifications
Registered Trademarks
Disclaimers
Specifications
_03
_02
14
18
20
23
24
30
33
36
37
38
40
46
47
49
52
54
55
56
57
58
59
User Guide
Package
Contents
Contents may be changed without prior notice to improve the
performance or quality of the product.
PPF33
USB Type-C CablemicroSD Card
Slot Cover
Case & 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 since 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].
Case &
Protective Film
Quick Start Guide
& Warranty Card
Getting Started 02
User Guide
Product
Overview
The appearance of the product, as well as the printed and
engraved information, may vary depending on the model.
3.5mm Unbalanced Port/
OPTICAL OUT terminal
2.5mm Balanced Port
Previous/
Rewind
Play/Pause
Next/
Fast-Forward
microSD Card Slot
USB Type-C Port
3.5mm Unbalanced Port/ OPTICAL OUT terminal:
- 3.5mm Unbalanced / S/PDIF Port symbol.
For audio output, connect earphones or headphones that
utilize a 3.5mm jack. Music can be played back on an S/PDIF
-capable external device via an optical cable.
Power/
Volume
LCD
Touchscreen
Home
Button
Getting Started
03
User Guide
2.5mm Balanced Port: - 2.5mm Balanced Port symbol.
For audio output, connect earphones or headphones that
utilize a 2.5mm jack.
microSD Card Slot: - microSD Card Slot symbol.
Insert a microSD card to access its files.
Power/Volume: - Power symbol.
Short press - Turns the screen on or off.
Press and hold - Turns the device on or off.
Turn the wheel to adjust the playback output volume level.
LCD Touchscreen: Display screen with touch control features.
Play/Pause: Play or pause the current song.
Previous/Rewind:
Short press - Play the previous song or restart the current
song.
Press and hold - Rewind the current song.
Next/Fast-Forward: Short press - Play the next song.
Press and hold - Fast-forward the
current song.
Home Button: Press to return to the Home Screen.
USB Type-C Port: - DC Power symbol.
For charging and data transfer.
Getting Started
04
User Guide
Power
Management
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.
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 44)
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 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 44)
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.
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.
Getting Started
05
User Guide
Charging
Charging via USB Wall Adapter
1. Commercially available 9V 1.67A output adapters may be
used for charging.
Fast charging time: Approx. 2 hours 20 minutes (Fully discharged,
Power-off, 9V 1.67A adapter) / Normal charging: Maximum 5 hours
(Fully discharged, Power-off, 5V 2A adapter)
A fast charger of 9V 1.67A may be used. Using a 12V adapter will not
charge the device and may cause malfunctions.
Getting Started
06
User Guide
Connections
3.5mm Unbalanced Port
1. Connect earphones or headphones to the 3.5mm
unbalanced port.
OR
2.5mm Balanced Port
1.
Connect earphones or headphones to the 2.5mm balanced port.
OR
Connecting to 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
07
User Guide
Connecting S/PDIF OUT
1. Listen to music through an external device by connecting
the S/PDIF-IN-compatible external device using the optical
cable and operating the product. Turn on the output format
conversion function in [Menu-Settings-S/PDIF Conversion],
to convert to the format that is set when S/PDIF connection
is made and output.
At S/PDIF OUT, the DSD format is converted to PCM and played back.
PCM can select output bit rate (16/24bit) and sample rate
(48/96/192kHz).
The volume will be fixed at the maximum level.
The output format of connected external devices may differ so refer
to the specifications of each device.
Getting Started
08
User Guide
Connecting to 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 37)
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.
Getting Started
09
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