CT10
INSTRUCTION BOOK
User Guide
CONTENTS
Getting Started
Package Contents
Part Names
Power Management
Charging
Connections
Updating Firmware
_01
02
03
04
05
06
10
Using the Device
Basic Operations
Home Screen
Notification Panel
Purchasing or Streaming Music from Store
DLNA Link
Listening to Music
Playlist Management
USB DAC Installation
How to Use USB Audio
Settings
Connecting to a Wireless Network
Using Bluetooth
Equalizer Setup
Miscellaneous
Safety Precautions
Troubleshooting
Copyright
Registered Trademarks
Disclaimers
Specifications
_02
_03
11
15
17
19
20
23
26
29
30
31
36
37
39
42
44
45
46
46
47
User Guide
Package
Contents
Contents may be changed without prior notice to improve the
performance or quality of the product.
CT10
5-Pin Micro-USB Cable: Connects the product to a computer
or utilize to charge the product.
Quick Start Guide: Basic overview of using the product.
Warranty Card: This card is required for customer service
and technical support. Please keep this card.
User Guide: The User Guide can be downloaded from the
Activo website:
[http://www.activostyle.com].
5-Pin Micro
-USB Cable
Quick Start Guide
& Warranty Card
Getting Started
02
User Guide
Part
Names
The appearance of the product, as well as the printed and
engraved information, may vary depending on the model.
3.5mm Unbalanced5-Pin Micro-USB Port
Power
Previous/
Rewind
Play/Pause
Next/FastForward
microSD
Card Slot
5-Pin Micro-USB Port: Connect to a computer or recharge
the device.
3.5mm Unbalanced: Connects earphones or headphones
with a 3.5mm unbalanced jack to output sound.
Power: Short-press- Turns the screen on or off.
Long-press - Turn the device on and off.
Previous/Rewind:
Short-press - Plays the previous song or restarts the song.
Long-press - Rewind.
Play/Pause: Play/pause current track.
Next/Fast Forward: Short-press - Plays the next track.
Long-press - Fast-forward current track.
microSD Card Slot: Insert a microSD card in the device to
access the files on the microSD card.
Volume: Turn the wheel to adjust volume.
LCD Touchscreen: Activate the screen and touch it to start.
Home Button: Press to return to Home Screen.
Volume
Touchscreen
LCD
Home
Button
Getting Started
03
User Guide
Power
Management
Turning on/off Power
1. Long-press the [Power] button of the device to turn it ON.
2. While the device is on, long-press 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 power saving function to conserve
battery power. The device will turn off if there is no user input
during the period defined in [Menu - Settings - Power Automatic Shutdown]. (See Page 34.)
Turning on/off the Screen
1. While the screen is on, short-press the [Power] button to
turn off the screen.
2. Short-press [Power] button again to turn it on.
This device has an automatic screen timeout feature to reduce
battery consumption. The screen will turn off when there is no
user input during the period defined in [Menu - Settings - Power
- Screen Off]. (See Page 34.)
Reset Function
1. In cases of unexpected device failure or if the device becomes
unresponsive, press [Power] for 7 seconds to force a shutdown.
The device can be restarted after the shutdown is complete.
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
04
User Guide
Charging
Charging via Computer
1. The device will charge automatically when connected to a
computer via the 5-pin micro-USB cable.
Depending on computer specifications, the device will charge
only when the computer is turned on.
When charging via computer connection, the charging time may
vary depending on whether the device is turned on or off.
Some computers in power-saving mode may not charge the
device.
The built-in battery will gradually lose capacity over time with
repeated charging/discharging.
Do not use any cables other than the 5-pin micro-USB cable that
is included in the package. Using an unauthorized cable may
cause a malfunction.
Charging via Adapter
1. Charging is possible by using a 5V 2A output adapter
(sold separately).
Charging Time: Up to 4 hours (When the device is fully discharged
and turned off and a 5V 2A adapter is used)
A 5V 2A charger may be used. Using a fast charging adapter will
not charge the product and may cause malfunctions.
Getting Started
05
User Guide
Connections
Connecting to a 3.5mm Unbalance Port
1. Connect earphones or headphones to the 3.5mm unbalanced
port.
OR
Connecting to a Computer
1. Turn on the device and your computer.
2. Connect the product to the computer with the 5-pin micro
-USB cable to transfer media files.
For an optimal connection, quit any unnecessary programs
before connecting the device to the computer.
Do not use any 5-pin micro-USB cable other than the one
supplied with the device. Using an unauthorized cable may cause
a malfunction.
Mac users need to download and install the MTP program from
the Activo website in order for the device to pair with a Mac OS.
[http://www.activostyle.com]
Both Windows and Mac, the device is only compatible with USB
2.0.
Getting Started
06
User Guide
Disconnecting from the Computer
1. Disconnect the 5-pin micro-USB cable after the transfer
between the product and computer is completed.
Disconnecting the device from the computer during an operation
(e.g., file transfer) may corrupt data on the device.
Safely remove/eject the device from your computer, if applicable.
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.
Make sure that the 5-pin micro-USB cable is securely connected.
Note that removing the 5-pin 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 by the computer and/or the
OS environment.
Getting Started
07
User Guide
Delete Files (or Folders) from the Device via Computer
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 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
Panel or select [Unmount SD
card] from [Menu - Settings System Information].
3. Gently press in the microSD card
to release it from the slot.
Getting Started
08
User Guide
Recommended microSD cards
SanDisk, Transcend
Maximum Capacity: 400GB
Notes on Inserting a microSD Card
Do not force the microSD card into the slot.This 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 get stuck 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 system.
Do not remove the microSD card during use. Doing so may cause
malfunction, delete data and damage the microSD card.
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 may
cause malfunctions.
A microSD card is not included in the product package.
microSD card must be purchased separately.
Getting Started
09
User Guide
Updating
Firmware
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 directions to update the firmware.
For Wi-Fi connections, see Page 36.
The firmware update may not be successful 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 firmware update. Doing so may cause data corruption and/or
damage to the system.
If an error occurs or the notice in the Notification Panel disappears
during an update, download the Firmware update can be initiated
again through [Menu - Settings - Update - System].
Getting Started
10
User Guide
Basic
Operations
LCD Touchscreen
1. This device features a 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
excessive force.
Return to the Home Screen
1. Press [ ] to go to the Home Screen.
Home Screen
Using the Device
11
User Guide
Menus
1. Swipe [Left to Right] on the Home Screen to display the
menu list.
Displaying the Notification Panel
1. Swipe [Up to Down] on the Home Screen to display the
Notification Panel.
Using the Device
12
User Guide
View Current Playlist
1. Swipe [Right to Left] on the Home Screen to display the
current playlist.
Moving Up/Down on the List
1. Swipe [Down to Up] / [Up to Down]
on the List Screen to scroll
through the list.
Using the Device
13
User Guide
Displaying the Playback Control Panel
1. Swipe [Down to Up] on the Home Screen to display the
playback control options and current song information.
Lyrics: Lyrics for the current song.
: Go to the list of menus to which the current song
belongs.
: Add the current song to the playlist.
: Set the playback mode.
: Sequential playback.
: Shuffle playback.
: Set repeat mode.
: Repeat the entire playlist.
: Repeat the current song.
: Disable repeat mode.
Using the Device
14
User Guide
Home
Screen
1
2
3
4
5
6
7
8
9
Using the Device
15
User Guide
1
2
3
4
5
6
7
8
9
Album Cover
Title
Details
Progress Bar
Song Progress
Previous Song/
Rewind
Song Duration
Play/Pause
Next/FF
Displays album cover image.
Song title information.
The file name is displayed when
the title is unavailable.
Displays current song
information.
Shows playback progress of
current song. Drag the indicator
to move to the desired track time.
Indicates song duration.
Short-press: Plays the previous
song or restarts the song.
Long-press: Rewinds the current
song.
Indicates the song’s total
duration or remaining time.
Tap to switch display option.
Plays or pauses the current song.
Short press: Plays the next song.
Long press: Fast-forwards
current song.
Using the Device
16
User Guide
Notification
Panel
1 2 3 4 5 6 7 8
9
10
Using the Device
17
User Guide
1
Wi-Fi
2
Bluetooth
3
EQ
Press [ ] to turn Wi-Fi on/off.
Press [ ] to turn Bluetooth on/off.
Press [ ] to turn the EQ on/off.
The most recent EQ settings are
applied by default.
4
Wheel
Lock
Press [ ] to turn the screen lock
on/off. The volume wheel is disabled
when the screen is locked.
5
Gapless
Playback
6
Line-out
7
DLNA Link
8
USB
output
Press [ ] to turn Gapless
Playback on/off.
Press [ ] to turn line-out on/off.
Press [ ] to turn DLNA Link on/off.
After connecting the device to a
portable USB DAC, press [ ] to
connect or disconnect the device.
9
Brightness
10
Notifications
Display
Long-press [ / / / ] to move to the corresponding
Settings screen.
Add/delete Quick Settings buttons or change their order in
[Menu - Settings - Notification Panel].
Use the adjustment bar to control
the display brightness.
Notification contents are displayed
in this area.
Using the Device
18
User Guide
Purchasing or
Streaming
Music from
Services
Conveniently purchase music from the Services when connected
to a wireless network.
Purchasing or Streaming Music
1. Connect to a wireless network.
2. Select [Services] from the menu to display the Services
options available.
3. Select the desired Services.
4. Check the user guide or help menu within each Services
for detailed information.
For Wi-Fi connections, see Page 36.
Using the Device
19
User Guide
DLNA
Link
Hi-Res Streaming Server Installation
1. Visit the Activo website and download Hi-Res Streaming
Server that corresponds to your operating system.
[http://www.activostyle.com].
2. Run the downloaded installer and follow the on-screen
instructions.
3. Check the User Guide within the program for detailed
information on using the Hi-Res Streaming Server.
Please refer to the following Windows/Mac minimum system
requirements.
Minimum Computer Requirements
OS : Windows 7, 8, 10 (32 & 64 bit)
Mac Requirements
OS X 10.7 (Lion) or later
Connecting DLNA Link Library/Speaker
1. Turn on the library to be connected
and connect to the same network
as CT10.
Run the Hi-Res streaming server
on your computer.
2. Turn on the DLNA Link function by
selecting [Menu-Settings-DLNA Link].
3. Press [DLNA Link] on the Menu
screen.
Using the Device
20
User Guide
4. A list of libraries/speakers that
are on the same network with
CT10 will be displayed.
5. Select a library/speaker to connect.
6. After selecting a library/speaker,
select a category from the menu
to display the corresponding music
list.
For Wi-Fi connections, see Page 36.
Using the Device
21
User Guide
Streaming and Downloading Music from Library
1. Select a category from the library
menu to see your list of music.
2. Select a song to begin streaming.
3. Press the [ ] at the upper-right
corner of the music list.
4. Select the desired music, and
press [ ] on the top to download
the music.
A message on the Notification
Panel will indicate when the
download is complete.
Depending on network conditions, song loading may be slow and
streaming may stutter.
Performing other operations on the library source may cause
slower response time.
If you stream and download at the same time, it may slow the
device’s response time depending on the speed of the Wi-Fi
network or server.
Stop downloading by touching the item you're downloading in the
Notification Panel and moving to the window.
Using the Device
22
User Guide
Listening
to Music
Selecting Music
1. Select a category from the menu to display the corresponding
music list.
2. Select a song from the list to begin playback.
Select [Folder] to search music by folder.
Continuous Playing Time: Approximately 10 hours (Music: FLAC,
16-bit, 44.1 kHz, unbalanced output, volume 75, EQ off, LCD off)
Supported Formats: PCM [8~384kHz], DSD [2.8/5.6/11.2MHz]
Listening to Music
Turn the [Volume Wheel] to adjust the volume.
Press [ ] during playback to pause and [ ] to resume
playback.
Press [ / ] during playback for the previous/next song.
Long-press [ / ] during playback to rewind/fast-forward.
Drag the indicator to the desired location during playback.
Press the [ ] to go to Home Screen.
Press [Lyrics] at the bottom of the Control Panel to display
lyrics.
Press [ ] at the top of the menu list to hide the menu list.
Press [ ] at the top of the menu to display the search
window and type in the title of the music you want to play
to display a list of search results including the searched
word.
Select [Hi-Res] and press [ / ] at the top to sort the
list by sound quality or alphabetically.
Press [ ] on the music list to add all music to the
current playlist.
Using the Device
23
User Guide
Press [ ] at the top of the music list to display the Edit
Mode.
: Add selected items to the current playlist at the
beginning / at the end / after the current song of
Now Playing
: Add selected list to playlist
: Delete selected list
: Exit Edit Mode
Select all: Select / deselect entire list
Using the Device
24
User Guide
Playlist Screen
1
2
Previous
1
Playlist
2
Edit mode
3
Play All
4
3
4
Return to the previous screen.
Displays the playlist for the current location.
Display the editing options for the music list.
Play all songs in the current list.
Using the Device
25
User Guide
Playlist
Management
Creating a Playlist
1. Press [Playlists] on the menu to
view the playlists.
2. Select [ + ] in the upper right
corner of the screen.
3. Enter a name for the playlist,
then press [Add] to create
a new playlist.
Adding a Song to a Playlist
1. Press [Playlists] to display a list
of playlists.
2. Select a playlist and press [+ Add
Song] to display a list of songs.
3. Select the desired song, then
press [Add] to add the song to
the selected playlist.
Using the Device
26
User Guide
Removing a Song from a Playlist
1. Press [Playlists] on the menu
to view playlists.
2. Select the desired playlist and
press [ ] at the top of the
screen.
3. Select the music to delete, and
press [ ] on top to delete
items from the playlist.
Playing a Playlist
1. Select the desired playlist for
playback.
2. Press [ ] at the top of the
playlist, select the music you
want to play and press [ ]
to add the selected list at the
beginning / at the end / after
the current song of Now
Playing (go to [Menu Settings - Playback Settings]).
Press [ ] to play the entire
playlist.
Add to Now Playing
Using the Device
27
User Guide
Renaming a Playlist
1. Press [Playlists] to display a list
of playlists, then press [ ]
at the top of the screen.
2. Select the playlist to be renamed.
3. Press [Rename] at the bottom of
the screen to display a rename
window.
4. Enter a name for the playlist,
then press [Rename] to save the
playlist under the new name.
Deleting a Playlist
1. Press [Playlists] to display a list
of playlists, then press [ ]
at the top of the screen.
2. Select the playlist to be deleted.
3. Press [ ] at the top of the screen
to delete the selected playlist.
Using the Device
28
User Guide
USB DAC
Installation
The USB DAC functionality allows the CT10 to be recognized
as a sound card on a computer. Music from the computer is
played through the device’s earphones port for an enhanced
listening experience.
USB DAC Specifications
Supported OS
Windows 7 (32/64-bit) / Windows 8 (32/64-bit) /
Windows 10(32bit/64bit)
OS X 10.7 (Lion) or later
USB DAC Support Specifications
Supported Formats: WAV, FLAC, WMA, MP3, OGG,
APE (Normal, High, Fast), AAC, ALAC, AIFF, DFF, DSF
Sample Rate: 44.1 kHz – 96 kHz
Bit Rate: 16-bit/24-bit
Control the volume with the CT10's volume wheel.
Sound will not play back for files that exceed the supported formats.
Volume control is unavailable when the LCD screen is turned off
during USB DAC connection.
The Previous, Play, and Next buttons are unavailable during USB
DAC connection.
Playback may stutter when computer performance is slow or the
USB connection is experiencing heavy usage.
There may be issues with audio-to-video synchronization during
video playback depending on the sound quality and operating
environment.
Volume cannot be adjusted via the Windows volume control. The
volume wheel on the device or volume control on the appropriate
program must be used to adjust the volume.
Using the Device
29
User Guide
How to
Use USB
Audio
You can enjoy USB audio by linking with a portable amp and
DAC available in the market.
How to Link Portable USB DAC
1. Connect the device’s micro USB jack with the portable
USB DAC with dedicated cable.
2. Press [ ] after scrolling down the notification bar.
3. Once [ ] is activated, you can enjoy the music through
the portable USB DAC’s audio output jack.
The micro USB cable that comes packaged with the device is
available for power recharging only by connecting with the PC.
For instructions on the dedicated cable, please refer to the manual
of the portable USB DAC manufacturer.
How to Change USB Audio DSD Output Type
You can change the output type of DSD data coming out of
USB audio.
1. Select a DSD output type on [ - USB audio].
PCM: The device’s DSD is converted into PCM and comes
out through USB audio.
DoP: The device’s DSD is converted into DoP and comes
out through USB audio.
The portable USB DAC must be able to receive digital input through
the micro USB’s OTG.
Output may not be made properly depending on the digital input
specs of the micro USB of the portable USB DAC. This is not a defect
in the device and not a ground for exchange or refund.
In the case of using DoP as a DSD output type, no sound may come
out except noise depending on the specs of the portable USB DAC.
Using the Device
30
User Guide
Settings
Set up the device according to the user's needs. The settings
menu may vary depending on the firmware version.
Setup
1. Select [Menu - Settings].
2. Select the desired item for setup.
Wi-Fi
Change wireless network settings and turn Wi-Fi ON/OFF.
See page 36 of the manual for more information on Wi-Fi
settings.
Bluetooth
Connect a Bluetooth device to listen to music wirelessly.
See pages 37 - 38 for more information on Bluetooth settings.
DLNA Link
DLNA Link : Enable/disable DLNA Link feature.
Sleep Mode: The device will automatically go into
Sleep Mode if DLNA Link is not used for 10 minutes.
If the Sleep Mode is on, the device cannot be operated by a
server.
Using the Device
31
User Guide
Equalizer
Set the equalizer according to the user's preferences.
USER EQ: Adjust the frequencies left and right according
to the user's preferences.
Preset EQ: Select from Flat, Pop, Club, Rock, Classical or
Jazz preset options.
Supported Formats for EQ: PCM [8 - 192kHz (8/16/24bit)]
When using the equalizer, the operation of the product may be
slower than normal.
See pages 39 - 41 for more information on setting the equalizer.
Line-out
Set the voltage value generated when Line-out is activated.
Do not use earphones with the Line Out feature enabled. Doing so
may cause permanent hearing loss.
USB Output
Set the output format of a file when connected to a USB
DAC.
Gapless Playback
Play the next song without any interruptions/silence.
Gapless playback is only supported between two files
with identical bit depths, sample rates, and channels.
Using the Device
32
User Guide
Right-left Balance
Adjust the left-right balance for earphones/headphones.
Playback Settings
Selecting Music from the menu sets the location and way
the song is loaded during playback.
Device Name
Set the name of the device.
The maximum name length is 50 characters.
Notification Panel
You can add/delete Quick Settings buttons or change their
order.
Screen Brightness
Adjust screen brightness settings.
Date & Time
Set the current date and time.
Using the Device
33
User Guide
Language
Select the display language.
Supported languages: English, Korean, Japanese, Chinese
(Simplified/Traditional), Russian, German, French
Keyboard
Select the keyboard language.
Supported languages: English, Korean, Japanese, Chinese
(Simplified/Traditional), Russian
Supported languages may vary depending on your location.
Power
Auto Power Off: The device will be automatically powered
off if there is no user input for a defined period.
Screen Off: The screen will turn off after a defined period
when there is no user input.
Sleep Off: Music playback will stop and the device will turn
off after the period defined in [Auto Power Off].
Download
Select a folder for downloaded files.
Select [Default Folder] for downloading music from DLNA
Link. [Select Folder] will prompt the user to manually select
a folder for each downloaded file.
Using the Device
34
User Guide
System Information
System Information: View model number, firmware version,
MAC address and memory usage information. The microSD
card can be mounted/dismounted, and data can be deleted.
Legal information: Check open source licenses and
regulations.
Formatting the microSD card will delete all data on the memory
card. Be sure to backup any important files before formatting.
When formatting the microSD card from a computer, be sure to
select the FAT32 system.
Update
System: Current firmware status is displayed.
If new firmware is available, update icon will appear.
Services: Current firmware status is displayed. If new
firmware is available, update icon will appear.
System Reset
Initialize Media Scan: Re-scans all media on the device.
The media scan time may vary depending on the number
of files stored on the device.
Settings Reset: Resets all user settings back to the default
setting.
Factory Data Reset: Deletes all user data and restore the
device to its original factory settings.
Using the Device
35
User Guide
Connecting to
Wi-Fi
Connecting to a Network
1. Long-press [ ] from the
Notification Panel or [Menu Settings - Wi-Fi] to turn on
and display a list of Access
Points (AP).
2. Select the desired AP to connect
to the wireless network.
Additional information such as
key index and network key may
be required depending on AP
settings.
Networks requiring browser or other additional certifications
are not supported.
Channels 1 through 13 are supported.
Using the Device
36
User Guide
Using
Bluetooth
Connect a Bluetooth device to listen to music wirelessly.
Turning Bluetooth on/off
A Bluetooth device must be paired
with the device prior to use.
Refer to the Bluetooth device's
instruction manual for details.
1. Select [ ] from the Notification
Panel, or select [ON] from [Menu Settings - Bluetooth].
Bluetooth Pairing
1. Select the appropriate Bluetooth
device from the list of available
devices.
Terminating a Bluetooth Connection
1. Click the connected device and confirm the message
prompt to disconnect the device.
Using the Device
37
User Guide
Removing a Bluetooth Pairing
1. Press [ ] to the right of the
paired device to go to the settings
screen.
2. Select [Remove] to complete the
process.
Bluetooth Support Specifications
Profile: A2DP, aptX HD, AVRCP
Device performance may be affected during Hi-Fi playback.
Do not turn off the device while connected to Bluetooth.
Power cycle the Bluetooth device in case of malfunction.
Pairing methods may differ for each individual Bluetooth device.
Always refer to the respective instruction manual for details.
When connecting the product to a Bluetooth device, the distance
between the two must be within 20 cm.
Audio quality will degrade with longer distances and the pairing
may disconnect at a distance of 2 m (6.5 ft.) or more. (Distances
may vary depending on device and environment.)
Crosstalk may be heard while using Bluetooth.
For multi-point devices, make the necessary connections prior to use.
Car audio Bluetooth connections are not supported.
Malfunction, noise, and other undesirable effects may occur due
to the device's battery level and the environment.
If signal interference affects data transmission. (e.g., holding
the device while wearing a Bluetooth device, holding the device
while holding another electronic device, etc.)
If the device or Bluetooth headset's radio transmitters are
touching parts of the body.
If the transmission strength is affected by walls, corners,
partitions, etc.
If devices using the same frequencies cause interference. (e.g.,
medical devices, microwave ovens, Wi-Fi, etc.)
Areas with an excessive amount of interference or weak
signals. (e.g., elevators, underground, etc.)
Using the Device
38
User Guide
Equalizer
Setup
Equalizer Setup
1. Long-press [ ] from the
Notification Panel or [Menu Settings - Equalizer] to turn on
or change settings.
2. Select the current EQ and press
[+].
3. Enter a name for the custom EQ
settings and select [Save].
Using the Device
39
User Guide
4. Move the sliders to adjust the
frequencies according to your
preferences.
Resetting the Equalizer
1. Select the user EQ to initialize
and press [ ] at the top of
the screen to revert the EQ to
its default settings.
Using the Device
40
User Guide
Deleting Equalizer
1. Select the current EQ to display
the EQ list.
2. Press [ ] next to the desired
item to delete the selected
equalizer.
Renaming an Equalizer
1. Select the current EQ to display
the EQ list.
2. Press [ ] next to the desired
item and enter a new name for
the selected equalizer.
3. Press [Rename] to apply the
changes.
Using the Device
41
User Guide
Safety
Precautions
Device
When a plug is inserted into the earphone or USB port,
do not apply any force or impact to the plug.
Do not insert any metal objects (coins, hairpins, etc.) or
flammable debris into the device.
Do not place heavy objects on the device.
In case the device gets wet (rain, water, chemicals, medicine,
cosmetics, sweat, moisture, etc.), do not power on the device
and allow it to dry thoroughly. Contact the Customer Support
Center. (Malfunctions due to exposure to liquids will be
repaired for a fee regardless of the warranty period and
such damage may not be repairable.)
Avoid exposing the device to direct sunlight or extreme
temperatures (-10℃ - 50℃; 14°F - 122°F) such as the
inside of a car during the summer.
Do not store or use in hot and humid places such as saunas.
Avoid places with excess moisture, dust, or smoke.
Do not use for an extended period on blankets, electric
blankets, or carpet.
Do not place near a fire or in a microwave.
Never attempt to disassemble, repair, or alter the product.
Do not store for extended periods in a confined space with
the power on.
Do not place the device near magnetic objects (magnets,
televisions, monitors, speakers, etc.).
Never use chemicals or cleaning products on the device
since they can damage the paint and surface coating.
Avoid dropping or subjecting the device to a strong impact
(excessive vibration, etc.).
Do not press more than one button simultaneously.
Do not disconnect the 5-pin micro-USB cable during data
transfer.
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User Guide
When connecting the 5-pin micro-USB cable, use a USB
port on the back of the computer. Connecting to a poorly
assembled or defective USB port may damage the product.
Displaying one image for an extended period may cause
screen burn-in (after image).
Using poor quality protective films or adhesive stickers on
the screen may cause damage.
Do not insert any foreign objects into the earphone port.
Playing and charging the device may generate heat, so
handle carefully.
Other
Do not use earphones/headphones or use the product
while operating any type of vehicle. It is not only dangerous
but may be a violation of the law in certain regions.
Do not use the product during physical activities (driving,
walking, hiking, etc.).
Always use in a safe environment to avoid the risk of accidents.
Always be aware of your surroundings when using the
device while moving.
Avoid using the device during thunderstorms to reduce the
possibility of electric shock.
If there is a ringing in the ears during or immediately after
use, reduce the volume or discontinue using the product
and obtain medical advice.
Do not listen to music at excessive volumes for extended
periods.
Do not use the earphones/headphones at excessive volume.
Be careful not to get the earphones/headphones caught in
other objects.
Do not sleep with earphones in your ears or leave them in
for extended periods.
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User Guide
Troubleshooting
Check for solutions to common problems.
1. The device won't turn on.
The battery may need to be recharged. Charge the device
for at least one hour and try again.
Reset the device and try again. (See Page 4.)
2. The device will not charge when connected to a computer
via 5-pin micro-USB cable.
Connect to the computer using the 5-pin micro-USB cable.
Connecting to the computer via a micro USB cable will
not charge the product.
Use the 5-pin micro-USB cable to connect the adapter.
3. The computer won't recognize the device or an error
occurs when connected.
Use a USB port on the back of the computer.
Check if the 5-pin micro-USB cable is connected correctly.
Check if the device connects properly on a different
computer.
4. The screen turns off repeatedly.
The screen turns off automatically after a defined period
to reduce battery consumption. Set the time at [Menu Settings - Power - Screen Off].
5. The screen does not display images properly.
Check the screen for debris.
6. There is no sound, or there is static/interference.
Check that the volume setting is above [0].
Check that the earphones are plugged in properly and
make sure debris isn't obstructing the port connection.
Verify that the music file is not corrupted.
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User Guide
7. A file does not play or the product is unstable when a
certain file is used.
The following may occur due to the condition of the file:
Playback is unstable or difficult.
The product may not work normally.
The file may sound different from a computer.
There may be a difference in the performance of
playback or other functions.
There may be differences in the playable specifications.
A file conversion or use of a different file is recommended.
Copyright
groovers Japan retains the rights to patents, trademarks,
copyrights, and other intellectual property rights related to this
manual. No contents of this user manual may be duplicated or
reproduced in any format or by any means without the prior
approval of groovers Japan. Using or reproducing, in whole or
part, the contents of this document is subject to penalties.
Software, audio, video, and any other copyrighted contents are
protected in accordance with relevant copyright laws. The user
accepts all legal responsibility for the unauthorized reproduction
or distribution of the copyrighted contents from this product.
Companies, organizations, products, people, and events used in
the examples are not based on actual data. groovers Japan has no
intention to be associated with any company, institution, product,
person, or incident through this instruction manual, and no such
inference should be made.
It is the responsibility of the user to comply with applicable
copyright laws.
©2015 ~ 2018 groovers Japan. All rights reserved.
The CT10 was designed and audio-tuned under the advisement of
MSD.
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User Guide
Certifications
Registered
Trademarks
Disclaimer
FCCID: 2AOLDAPP11
This device complies with Part 15 of the FCC Rules, Operation is
subject to the following two conditions: (1) this device may not
cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause
undesired operation.
Windows 7, Windows 8, Windows 10 and Windows Media Player
are trademarks of Microsoft Corp.
The manufacturer, importer, and distributor shall not be liable for
damages including accidental and personal injury due to the
improper use or operation of this product.
The information in this user manual was written based on current
product specifications. The manufacturer, groovers Japan, is adding
new complementary features and will continue to apply new
technologies in the future.
All specifications may be changed without prior notice.
There is no warranty against data loss due to the use of this product.
The device must be used a minimum of 5 mm away from the human
(body) in normal use conditions.
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User Guide
Specifications
General Specifications
Model
Body Color
Body Material
CPU
Display
Supported Audio
Formats
Sampling Rate
Output Level
DAC
Decoding
Input
Outputs
Wi-Fi
Bluetooth
Dimensions
Weight
Audio Specifications
Feature Enhancements
Frequency Response
S/N
Crosstalk
THD+N
SMPTE IMD
Output Impedance
Memory
Built-in Storage
External Memory
Battery
Capacity
Supported OS
Supported OS
CT10
Cool White
Polycarbonate
Quad-Core
3.3inch WQVGA (480x854) / Touchscreen
WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF,
DFF, DSF
FLAC, WAV, ALAC, AIFF: 8kHz - 192kHz
(8/16/24-bits per sample)
DSD: DSD64/128/256, Stereo (DSD to PCM)
1.85 Vrms
CS4398x1 (Single DAC)
Support up to 24 bit / 192 kHz Bit-to-Bit Decoding
USB Micro-B input (for charging & data transfer (PC & MAC))
Connection Mode: MTP
Phones (3.5 mm)
2.4GHz (B,G,N)
V4.1 (A2DP, AVRCP, aptX HD)
2.57” (65.2 mm)[W] x 3.67” (93.2 mm)[H] x 0.61” (15.5 mm)[D]
112g (Main Unit)
Firmware Upgrade Supported (OTA)
±0.05dB (Condition: 20 Hz ~ 20 kHz)
±0.6dB (Condition: 10Hz~70kHz)
115dB @ 1kHz TBD
130dB
0.0005% @ 1kHz TBD
0.0004% 800Hz 10kHz (4: 1)
Phones 3.5mm (2ohm)
16GB [NAND]
microSD (Max.256GB) x 1
2,500mAh 3.7V Li-Polymer Battery
Windows 7,8,10 (32/64bit)
MAC OS X 10.7. and up
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