Sedna - Mp3 player Sunstech - Free user manual and instructions

Product Type	MP3 Player
Brand	Sunstech
Model	Sedna
Dimensions (approx.)	90 x 40 x 10 mm
Weight (approx.)	30 g
Power Source	Built-in rechargeable battery
Charging	USB cable (5V)
Display	Color LCD screen
Supported Audio Formats	MP3, WMA, WAV, FLAC
Storage Capacity	8 GB Internal (expandable via microSD)
Main Functions	Music playback, FM radio, voice recording, photo viewer
Battery Life	Up to 20 hours of audio
Connectivity	USB 2.0, 3.5mm headphone jack
Operating System Compatibility	Windows, Mac, Linux
Maintenance	Clean with a soft, dry cloth; avoid moisture
Safety	Keep away from water and extreme temperatures
Spare Parts	USB cable, earphones available as accessories
Repairability	Battery replacement by qualified technician recommended
General Information	Supports playlist, ID3 tags, equalizer presets

Frequently Asked Questions - Sedna Sunstech

How do I charge the Sunstech Sedna MP3 player?

Connect the provided USB cable to the player and a USB power source (computer or USB charger). The battery icon will indicate charging. Full charge takes about 2 hours.

Can I expand the storage on my Sedna?

Yes, the Sedna supports microSD cards up to 32 GB. Insert the card into the microSD slot located on the side of the device.

How do I transfer music to the Sedna?

Connect the player to your computer via USB. It will appear as a removable drive. Drag and drop your music files into the Music folder. Eject safely before disconnecting.

What audio formats does the Sedna support?

It supports MP3, WMA, WAV, and FLAC formats. For best performance, use MP3 files with bitrates up to 320 kbps.

How can I reset the player if it freezes?

Press and hold the Reset button (located near the headphone jack) with a paper clip for 3 seconds. If no reset button, hold the Power button for 10 seconds.

How long does the battery last?

Battery life is approximately 20 hours for continuous audio playback at moderate volume. Battery life may vary based on usage and settings.

Can I use the Sedna as a voice recorder?

Yes. From the main menu, select Voice Recorder. Press the record button to start. Files are saved in WAV format.

How do I listen to FM radio?

Insert the earphones (they act as antenna). From the menu, select FM Radio. Press Auto Search to find and save stations.

Is the display touch screen?

No, the Sedna has a non-touch color LCD screen. Navigation is done via the physical buttons on the device.

What should I do if the player is not recognized by my computer?

Try a different USB port or cable. Ensure the player is turned on. On Windows, install the driver if prompted. On Mac/Linux, it should mount automatically. If still not recognized, perform a reset.

USER MANUAL Sedna Sunstech

sunstech ^12 SEDNA

Manual de usuario

DEFINICIONES DE LAS TECLAS......2

Ajuste de volumen

Illustration of a device connected to a computer monitor with a small icon (no text or symbols)

Diagram showing a device connected to a computer monitor, with no visible text or symbols.

1. Power / Charge....3
2. Basic functions to enter the menu..3
3. Boot / Shutdown......5
4. Key operation......6
5. Music mode......8
6. Sound recording......9
7. Using the FM radio......12
8. System Settings......14
9. E-book....16
10. Using a USB disk......16
11. Other settings.....17
12. Technical Specifications......21

KEY DEFINITIONS

① Power ON/OFF
② Play: Play/Pause Button
③ MENU: Menu Button
④ NEXT: Next music
⑤ LAST: Previous music
⑥ VOL: VOL+/VOL-
⑦ Earphone jack
⑧ USB plug
⑨ Micro SD

1. Power / Charge

When the power is 3.8V, (Full battery charge) the power displays full. With the increase of use, the battery indicator will be reduced.

☐ When the power is almost completely run out, the power icon will show blank.

You must turn ON the power switch for charging. Otherwise, the player will not be able to respond to the charge task.

CHARGING THE UNIT

This unit recharges the battery when connected to a USB port, the battery will be fully charged in around 4 hour.

It is recommended a longer period of time for the first charging, around 6 hours

2. Basic functions to enter the menu

Press the Menu button (M) to access the menus. The menu is divided into main menu (short press to enter) (press and hold to exit) to play sub-menu (short press Enter) and stop the state erupted menu (short press

Enter).

Browse operations

choose to browse songs, menu items song playback, rewind or fast forward Enter different modes

From the main menu to enter a different functional mode.

Main Menu: (press the Menu button to enter)

Music mode:

Recording mode:

Voice recording:

FM mode:

System settings:

⌘	Lcd set
⌘	Language
⌘	Power off
⌘	Memory info
⌘	Firmware version
⌘	Exit

EBOOK: File select

Test3.TXT

Connection to USB mode and PC:

Volume adjusting

Press the VOL key to enter the volume selection, short press Next / Last button to increase or decrease the volume level.

3. Boot / Shutdown

Turned off, long press the Play button. Turned on, long press the Play button, (Switch must be ON)

Play or stop (recording pause); exit from the submenu.

Music mode, press the Play button to play music.

Play music state, short press the Play button to pause playback. Long press to stop playback.

To start recording (short press) / stop recording (long press to M to exit and save the audio file)

Recording status, press the Play button to stop recording.

4. Key operation

KEY DEFINITIONS

① "ON/OFF": Power switch.
② Play / Pause / Stop ,hereinafter referred to as the "PLAY" button.
③ “MENU” Enter the main menu or previous menu.
④ “Next” : Next option, Fast-forward. Volume increases, the fast increase.
⑤ “Last” : Previous option, Rewind., Volume reduction, and faster reduction.
⑥ “VOL” : Enter the volume interface.
⑦ “Headphone jack” : Headphone standard jack.
⑧ “USB” : USB plug.
⑨ "Micro SD": Micro SD

keystrokes definition

Keystrokes, including short press, long press, press and hold the single four methods of operation. Behind, unless otherwise specified, a short press.

Short press: Click on the keyboard, effective immediately.

Long press: press the button, let go of more than 1.2 seconds to take effect, and only take effect once.

Click: Press the button until you let go of the moment will only take effect.

Press and hold: the process of pressing the button to let go, the event came into effect several times with some frequency, such as fast forward, advance and retreat.

Music playing

Simple operation

placing the headphones into headphone hole.

Long press the M button to I into the "music mode", then press the Play button to start playing music.

Select Music: to select a musi Last: to select the previous music Next: select the next song

Volume Control: Press the button to enter the volume select, short press Next to increase the

volume, short press the Last button to decrease the volume.

5. Music mode

In music mode, there are the different menus available: one is pressing “M” while playing. It will appear the following menu:

-Equalizer

-Repeat: normal, repeat one, repeat all

-Replay

-Exit

a variety of sound effects (EQ specific menu as follows: Natura, Rock, Pop, Classical, Soft, Jazz, DBB.

⌘ Toggle the Next button to se short press Menu key to confirm.

The other menu will appears while pressing “M” key in the Stop or Pause mode, you will find the following menu: local folder, delete file, delete all and exit.

Synchronous lyrics display

The player supports "* LRC" lyrics files, lyrics and songs synchronous

playback.

How to use the lyrics file?

Lyrics file name and song name of the file.

For example:

The song file name is:

Kelly - Replace mp3

Lyrics file name is:

Kelly - Replace lrc.

Native songs match the appropriate lyrics are automatically read during playback. Do not need to press any key allows you to use with ease

6. Sound recording

Make sure there is enough power to record.

Native support for 99 recording files are stored for each directory.

In the recording mode to record

(1) Enter the main menu: "Record"

(2) Toggle the Next button to select the recording mode.

(3) Short press Menu key to enter the recording mode, the graphics are as follows:

(4) Short press the Play button to start recording.

During recording, short press the Play button to pause recording, long press the Play button to save the audio file. Long press Menu button to exit the recording mode and save the recording file.

The recording process only responds to the "Play" button and the Menu button.

To select the recording type

(1) In the recording stop interface
(2) Short press Menu key to enter record submenu
(3) Toggle the Next button, select the "REC" sub-menu item, press the Menu button to enter

Fine recording wav	format, the sound quality is better.
Long-term recording	wav format, the sound quality is ordinary.

Super recording Wav format, high bit rate recording file

(4) Press Next to select the right type of recording, and a short press Menu key to confirm the selected type.
(5) Press the Play button to start recording.

Play recording file

(1) Enter the main menu
(2) Toggle Next button, select "Voice"
(3) Press play
(4) Select the recording file.

Last button: Select the previous recording file.

Next button: Select the previous recording file.

(5) Short press upon M and it will appear: local folder, delete file, delete all, exit.

(6) If you want to delete file, select with M and with the arrows move upon Yes or No. If you choose Yes and press M, the file will be delete.

(7) Control the volume: Press the VOL button to enter the volume select, short press Next to increase the volume, short press the Last button to decrease the volume.

7. Using the FM radio

(1) Enter the main menu
(2) Toggle Next button, select "FM"
(3) Short press Menu key to enter "FM" mode

Automatic search

Press and hold the Last / Next button for 3 seconds player to 100KHz search forward or backward. If you want to stop the search, toggle Last / Next, stop the search. Into the radio sub-menu select "automatic station search"

Tips: Earphones have to always keep connected, since they work as an antenna.

Fine tuning

Toggle Last: backward single step 100KHz

Toggle the Next button: move forward a single step 100KHz

How to save manual frequen

Short press Menu key to enter FM submenu and you will find the following menu:

FM Mode

⌘	Auto search
⌘	Save
⌘	Delete one
⌘	Delete all
⌘	REC
⌘	Exit

Press the Menu button and select "save" to store the station and press M to confirm.

Choose to listen to the rad station has been saved

Press play key step by step until you find the desire radio station (showed at the top of the screen as "CH—")

Recording your favorite shc recorded into the sub-menu to select the "recording" subdirectory press the Menu button to start recording, press and hold the Menu button to save the recording file. The icon will appear on the screen during the recording time.

Tips: 32 memory slots are available to save radio stations (manual or auto).

Control the volume Press the VOL button to enter the volume, short press Next to increase the volume, short press the Last

button to decrease the volume.

8. System Settings

How to enter

Here you can set system parameters, the options change with the firmware upgrade.

(1) to enter the main menu
(2) toggle Next key to select "System"
(3) Short press Menu key to enter the "System Settings"

System

⌘	Lcd set
⌘	Language
⌘	Power off
⌘	Memory info
⌘	Firmware version
⌘	Exit

Each parameter project profiles

LCD Set set the system to play / stop mode, the screen saver

Language to set a different languages

Power off to set a countdown time (minutes), the time will automatically shut down

Memory info	Shows device information
Firmware version	Display the firmware version of the player
(Exit) exit this interface

Detailed instructions for use System

⌘	Lcd set
⌘	Language
⌘	Power off
⌘	Memory info
⌘	Firmware version
⌘	Exit

LCD Set : Contrast adjustment

Language Selection

Shutdown Settings

Storage conditions : Indicate the total disk capacity, expressed as a

percentage of the space than has been used.

Firmware version : You can view the firmware version currently in use by the player.

Tips: after the option is set press the Menu button to exit or you can press the Play button to quickly exit the menu. Press the Play button to quickly exit the menu function on all

menus.

9. E-book

Under the main menu, select E-Book by pressing the M button.

File select

Test3.TXT

Directory options: Select the root directory of the removable disk.

Short press Menu key to enter the

"Select Directory" interface. Toggle the

Next button or Last button to select

the directory where the files you want to read. Short press the Play button to

open/access the selected file.

This unit only supports "txt" files.

10. Using a USB disk

This machine is a standard USB disk function, support Windows98 (need to install driver's), Windows 2K above (no need to install the driver) system, Mac OS 10.3 and above, Linux the Red hat

8.0 and above.

Native support for USB-powered small machine, without the battery can play.

In the wait state, short press the Menu button to exit to the main menu, then select the mode you want to work

into.

Native support for Suspend mode. Connected to the PC: The player has three display modes

1. Waiting state

Illustration of a device connected to a computer monitor and a small icon (no text or symbols)

1. Downloading information

Diagram showing a device connected to a computer monitor, with an arrow indicating data transfer (no text or symbols present)

1. Uploading information

graph LR
    A["Device"] --> B["Computer"]

11. Other settings

To select a different directory (Stop submenu)

Users to different files were placed in a different directory (the directory created in the computer you want to name the folder), so that files are class player and management. Native support for 9 identification of a subdirectory.

1. Stop the interface. (The current example, the music mode, recording and Voice can choose the directory)
2. Press the Menu button to enter the stop submenu
3. then press the Menu button to enter the directory selection interface
4. Press Next or Last button in the directory, select
5. Press the Menu button to confirm the selected directory

Note: The music mode, recording mode and VOICE mode can be set corresponding to a separate directory. Three modes corresponding to be not necessarily the same directory.

Delete mode (Stop submenu)

In the music mode, Voice mode and FM mode, you can delete the corresponding files storage in the unit

1. Stop interface. (FM did not stop the interface)
2. Short press Menu key to enter the sub-menu

3. Toggle Next or Last button in the menu, and select "Delete Files" or "delete all"

4. short press Menu button to enter

into delete interface

1. Struck the Next button "NO" to "YES"

2. Press the Menu key to confirm start deleting

"Delete All" will the current directory under the current mode, delete all the files (such as in the music mode to delete all music files can only delete the audio file is not deleted).

FM, delete the interface is simple, will only appear to the third step. Delete the previously stored radio station.

Delete a document or files on your computer, please be sure to safely eject the player and then unplug the USB cable, otherwise the files are not deleted and the unit can result damage.

Play Mode (Play submenu)

Play music and play the audio file, you can choose different play mode (such as repeat)

Play sub-menu is the "Play Mode", select OK, the players will play in accordance with the rules set.

REPEAT

(normal mode, Normal)	After the catalog of songs to play, continue to play after a catalog of music, stop until finished playing all the files.
(Repeat, Repeat One)	repeatedly play a single music file
(Full circle, Repeat All)	Repeatedly play all the music files

Repeat mode (Play submenu) enter through the Play submenu:

A-B repeat

(1) Music playback or playback player.
(2) Press the Menu button to enter Play submenu.
(3) toggle the Next button to select the "repeat mode" menu item.
(4) Press the Menu button to enter the "repeat mode".
(5) struck the Next button to determine the starting point A,.
(6) Repeat the key icon in the "A"

blinking, waiting to determine the starting point B

(7) Toggle the Next button, to determine the starting point B.
(8) The repeat icon is fixed. AB points played repeatedly to exit repeat mode, press the Next button

12. Technical Specifications

Dimensions	84mm(L) * 35mm(W) * 12mm(H)
Weight	46.8g
Display	dot-matrix (128 * 64),False OLED LCD display
Connected computer	high-speed USB 2.0 (Read 1000K Byte, write 800K Byte)
Memory	Flash Memory: 2GB-8GB
Power	Power up to 6-8 hours playback time (Headphone)Power up to 1-2 hours playback time (Speakers)
Recording	sampling rate	8KHz
	Recording Format	WAV (32K bps)、
	Recording time	35Hrs,ACT , 128M Flash)
MP3, WMA, ASF	headphone output	(L) 10mW + (R) 10mW (320hm)
	MP3 bit rate	8K bps - 320K bps
	WMA, ASF bit rate	5K bps - 384K bps
	Frequency Response	20Hz to 20KHz
	Signal to noise ratio	80dB
FM radio	receiver frequency range	76MHz - 90MHz / 87MHz - 108MHz
	Storage units	20+20
	Maximum headphone output	(L) 10mW + (R) 10mW (320hm)
	Signal to noise ratio	45dB
Music formats	MP3 / WMA
Use temperature	-5 to 40 degrees Celsius
Sixteen States appear in the language	Simplified Chinese, English, Traditional Chinese, German, French, Italian, Spanish,etc.

Note: Product design and specifications are subject to change without notice 22

Warranty conditions

- The warranty of this product is for 2 years since the purchase date.

- The warranty will exclude breakdowns caused by bad use of the product, wrong installation or installation in not desirable places for a proper maintenance of the product, rips, updates of the products that are not the supplied by the brand, pieces wore away for its use or for not domestic or inappropriate use. Also are excluded breakdowns caused for manipulations of the products by people or companies alien to our company.

- For any request regarding the warranty terms, the purchase receipt must be attached.

sunstech ^12 SEDNA

Manual do Utilizador

① Power ON/OFF
② Play: Botão Reproduzir/Pausa
③ MENU: Botão Menu
④ SEGUINTE: Música seguinte
⑤ ÚLTIMA: Música anterior
⑥ VOL: VOL+/VOL-
⑦ Ficha de auscultador
⑧ Ficha USB
⑨ Micro SD

1. Potência / Carga

Ajuste de volume

During recording, short press the Play button to pause recording, long press the Play button to save the audio file. Long press Menu button to exit the recording mode and save the recording file.

Illustration of a device connected to a computer monitor and a small icon (no text or symbols)

Diagram showing a device connected to a computer monitor and a small icon (no text or symbols)