RUIZU A55 HiFi Lossless DSD Digital MP3 Player User Manual

1. ຜະລິດຕະພັນເກີນview

The RUIZU A55 is a high-fidelity, lossless digital audio player designed for an exceptional listening experience. It features a durable aluminum alloy casing and a vibrant 2.8-inch TFT color screen.

Key features include a 64-bit ARM Cortex-A35 DSP decoding architecture, support for various lossless audio formats, and advanced sound processing capabilities.

2. ສິ່ງທີ່ຢູ່ໃນກ່ອງ

Upon unboxing your RUIZU A55 MP3 Player, please verify that all components are present:

• 1 x RUIZU A55 HiFi Music Player
• 1 x Leather Case (optional)
• 1 x ສາຍສາກ
• 1 x ຄູ່ມືຜະລິດຕະພັນ

3. ຕັ້ງຄ່າ

3.1 ການສາກອຸປະກອນ

Before initial use, fully charge the RUIZU A55. Connect the provided charging cable to the device's charging port and the other end to a USB power adapter (not included) or a computer's USB port. The battery indicator on the screen will show charging progress.

3.2 ການໃສ່ Micro SD Card

The device supports Micro SD cards up to 512GB for expanded storage. Locate the Micro SD card slot on the side of the player. Gently insert the card until it clicks into place. Ensure the card is inserted in the correct orientation.

3.3 ການ​ຖ່າຍ​ໂອນ​ດົນ​ຕີ​ Files

Connect the RUIZU A55 to your computer using the USB cable. The device will appear as a removable disk. You can then drag and drop your music files into the appropriate folders on the device or the inserted Micro SD card.

4. ຄໍາແນະນໍາການດໍາເນີນງານ

4.1 ເປີດ/ປິດ

ກົດປຸ່ມເປີດປິດທີ່ຢູ່ຂ້າງອຸປະກອນຄ້າງໄວ້ເພື່ອເປີດ ຫຼື ປິດມັນ.

4.2 ການນໍາທາງ ແລະການຄວບຄຸມ

The RUIZU A55 features a 2.8-inch TFT color touchscreen for intuitive navigation. Additionally, physical buttons are available for playback control and volume adjustment.

ການປັບລະດັບສຽງ

Adjust the volume using the 360° rotating knob located at the top of the device. This knob provides 128 levels of precise volume adjustment.

4.3 ການຫລີ້ນດົນຕີ

Navigate to the "Music" section on the main menu. You can browse by artist, album, genre, or all songs. Select a song to begin playback. Use the physical buttons for play/pause, next track, and previous track.

ຮູບແບບສຽງທີ່ຮອງຮັບ

The RUIZU A55 supports a wide range of audio formats, including:

• MP3, WMA (16kbps-320kbps)
• WAV (maximum support 64BIT 384KHZ)
• AIFF (maximum support 32BIT 192KHZ)
• APE/FLAC (maximum support 24BIT 192KHZ)
• DSD (maximum support 1BT)
• DSD256 (11.2MHZ)
• ACC, OGG

ການສ້າງ Playlists

The device allows for the creation of over 999 playlists, enabling you to organize your music library efficiently and create personalized listening experiences.

Song Search Function

Utilize the built-in search function to quickly locate specific songs within your extensive music library. This feature is designed for professional music enthusiasts to find their desired tracks efficiently.

4.4 ການຕັ້ງຄ່າ Equalizer

The RUIZU A55 features a professional 10-band digital equalization processor. It includes eight preset sound effects and supports manual adjustment of sound effects, allowing you to customize the audio output to your preference for an ideal listening experience.

4.5 ການເຊື່ອມຕໍ່ Bluetooth

The device is equipped with Bluetooth 5.0 for wireless audio streaming to compatible headphones or speakers. To pair, navigate to the Bluetooth settings, enable Bluetooth, and select your desired device from the list of available devices.

5. ບໍາລຸງຮັກສາ

5.1 ການທໍາຄວາມສະອາດ

Use a soft, dry cloth to clean the device's exterior. Do not use liquid cleaners or abrasive materials, as they may damage the screen or casing.

5.2 ການເກັບຮັກສາ

When not in use for extended periods, store the device in a cool, dry place away from direct sunlight and extreme temperatures. It is recommended to charge the battery periodically to maintain its health.

6. ການແກ້ໄຂບັນຫາ

6.1 ອຸປະກອນບໍ່ເປີດ

• ກວດໃຫ້ແນ່ໃຈວ່າໄດ້ສາກແບັດເຕີຣີພຽງພໍ. ເຊື່ອມຕໍ່ອຸປະກອນກັບແຫຼ່ງພະລັງງານ ແລະອະນຸຍາດໃຫ້ມັນສາກໄຟຢ່າງໜ້ອຍ 30 ນາທີກ່ອນທີ່ຈະພະຍາຍາມເປີດເຄື່ອງອີກຄັ້ງ.
• If the device is unresponsive, try performing a hard reset (refer to the device's specific reset procedure, if available, or hold the power button for an extended period).

6.2 ບໍ່ສາມາດໂອນຍ້າຍໄດ້ Files

• Verify that the USB cable is securely connected to both the device and the computer.
• Ensure the device is in data transfer mode (if prompted on the screen).
• ລອງເຊື່ອມຕໍ່ກັບຜອດ USB ອັນອື່ນຢູ່ໃນຄອມພິວເຕີຂອງທ່ານ.

6.3 ຄຸນະພາບສຽງບໍ່ດີ

• ກວດເບິ່ງສຽງ file format and ensure it is supported by the player.
• Adjust the equalizer settings to optimize sound output.
• Ensure your headphones or speakers are functioning correctly and are properly connected.

7. ຂໍ້ມູນຈໍາເພາະ

8. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ

For warranty information and technical support, please refer to the contact details provided with your purchase documentation or visit the official RUIZU webເວັບໄຊ. ຮັກສາຫຼັກຖານການຊື້ຂອງທ່ານສໍາລັບການຮ້ອງຂໍການຮັບປະກັນ.

Note: Information regarding spare parts availability and software updates was not available at the time of manual publication.