pengenalan
This manual provides detailed instructions for the safe and efficient operation of your Syitren R400 Vintage Portable CD Player. Please read this manual thoroughly before using the device and retain it for future reference.
Apa yang ada dalam Kotak
Sahkan bahawa semua item yang disenaraikan di bawah disertakan dalam pakej anda:
- Pemain CD
- Penutup Pelindung
- Berdiri
- Kabel Pengecas USB-C
- Fon telinga
- Panduan Mula Pantas

Image: Contents of the Syitren R400 CD Player package. Includes the main unit, protective case, stand, USB-C charging cable, quick start guide, and earphones.
Produk Selesaiview
The Syitren R400 is a vintage-style portable CD player featuring Bluetooth 5.3 connectivity, a rechargeable battery, and a removable protective case. It supports various CD formats and offers both wired and wireless audio output options.

Imej: Depan view of the Syitren R400 CD Player with its clear protective cover attached, showcasing the CD mechanism.

Imej: Sisi view of the Syitren R400 CD Player, highlighting the power on/off switch and the 3.5mm audio output jack.

Image: Detailed diagram showing the 3-position toggle switch, recessed charging dock with cable channel, and anti-slip raised feet on the Syitren R400 CD Player.
Persediaan
1. Kuasa Awal Hidup
- Before first use, remove the protective cardboard disc from the CD compartment.
- Locate the power on/off switch on the side of the device.
- Slide the switch to the "ON" position. The red indicator light will illuminate, indicating the device is powered on.
2. Mengecas Peranti
- Gunakan kabel pengecas USB-C yang disediakan.
- Connect the cable to the charging port located on the back of the device.
- It is recommended to use a 5V/2A power adapter (not included).
- The battery indicator lights on the back will flash sequentially from left to right during charging:
- 1 light: 30% battery
- 2 lampu: bateri 50%
- 3 lampu: bateri 100%
- When fully charged, all battery indicator lights will remain continuously on.
3. Installing the Protective Cover
The clear protective cover can be installed by aligning it with the main unit and gently pressing it into place until it clicks securely.

Image: The Syitren R400 CD Player with its clear protective cover detached, ready to be installed.
4. Memasang Pendirian
The included stand can be installed with or without the protective case. Align the stand's pins with the corresponding holes on the back of the CD player and push firmly until secured.

Imej: Belakang view of the Syitren R400 CD Player with the metal stand attached, allowing it to be displayed upright.

Image: Step-by-step diagram illustrating the installation of the DIY stand assembly, both with and without the protective case.
Arahan Operasi
1. Main semula CD
- Insert a compatible CD (CD, CD-R, CD-RW, MP3) into the player.
- After booting up, the player will automatically read the disc and begin playback.
- To pause/play music, short press the Play/Pause button.
- To stop playback and halt disc rotation, briefly press the Stop button.
- To return to the beginning of the current song, briefly press the Back button. Press it again immediately to switch to the previous song.
- To switch to the next track, briefly press the Fast Forward button.
- To fast-forward through a song, long press the Fast Forward button.
- To quickly rewind a song, long press the Back button.
Warning: Do not forcibly stop the rotation of the CD during playback as this may damage the device.
2. Kawalan Kelantangan
- Short press the "+" button to increase volume.
- Short press the "-" button to decrease volume.
3. Perintah Main Semula
The R400 offers three playback sequences, selectable via the toggle switch:
- Ulang Semua: Plays all tracks on the disc and then repeats the entire disc.
- Ulang Satu: Repeats the current track continuously.
- Kocok: Memainkan trek dalam susunan rawak.
4. Wired Audio Connection
The R400 supports 3.5mm audio output. You can connect wired headphones or external speakers directly to the 3.5mm audio jack on the side of the device.

Image: Diagram illustrating how to connect wired headphones or speakers to the Syitren R400 CD Player via its 3.5mm audio jack.
5. Sambungan Bluetooth
The R400 functions as a Bluetooth transmitter, allowing it to connect to Bluetooth-enabled devices such as speakers or headphones. It does not have built-in speakers and cannot connect to mobile phones or computers.
- The default startup mode is 3.5mm output, and Bluetooth is initially turned off (red indicator light).
- Short press the Bluetooth switch (located near the 3.5mm jack) to switch to Bluetooth mode. The blue indicator light will flash, indicating the CD player is in Bluetooth search mode.
- On your Bluetooth audio device (speaker, headphones), enable Bluetooth and put it into pairing mode.
- Once successfully paired, the blue light on the CD player will remain constantly on. You can then play music.
- To reset Bluetooth and search for other devices, long press the Bluetooth switch.
Note: Due to Bluetooth protocol issues, some devices like Airpods, BOSE speakers, and car systems may not be compatible.

Image: Diagram illustrating how to connect the Syitren R400 CD Player wirelessly to Bluetooth audio devices like headphones or speakers.
Spesifikasi
| Ciri | Perincian |
|---|---|
| Versi Bluetooth | 5.3 |
| Format Cakera yang Disokong | CD/CD-R/CD-RW |
| Format Audio yang Disokong | CD/MP3/WAV |
| DAC Chip Model | SC6137D |
| Nisbah Isyarat-ke-Kebisingan (SNR) | 70dB |
| Kuasa Keluaran | 6.0MW@32Ω |
| Anti-Shock Buffer | 16an |
| Model Bateri | 18650 |
| Hayat Bateri (Caj Penuh) | ≥4J |
| Charging Time (0-100%) | ≥4J |
| Kapasiti Bateri | 2000mAh |
| Input Dinilai | DC 5V/2A |
| Berat Bersih | 330g |
| Dimensi Produk | 161x161x37mm (6.38 x 5.79 x 1.28 inci) |

Image: Visual representation of the Syitren R400 CD Player's technical specifications and a detailed list of included accessories.
Menyelesaikan masalah
This section addresses common issues you might encounter with your Syitren R400 CD Player.
- CD Player stops spinning in shuffle mode: After all songs have been played randomly, the CD player will stop spinning. This is normal behavior for shuffle mode.
- CD Player repeats the first song after the last song ends: In full loop mode, after the last song ends, the first song will start playing again. This is normal behavior for full loop mode.
- Isu sambungan Bluetooth: Ensure your external Bluetooth device is in pairing mode. Long press the Bluetooth switch on the CD player to reset its Bluetooth connection and try pairing again. Remember, the R400 cannot connect to mobile phones or computers.
- Tiada bunyi: Check if headphones or speakers are properly connected (wired or Bluetooth). Ensure the volume is not set to minimum.
Video: Syitren R400 CD Player Use Instructions. This video provides a comprehensive guide on operating the CD player, including power on/off, CD playback, playback order, power supply, output interface, Bluetooth function, accessory description, and common problems.
Penyelenggaraan
- Pastikan peranti bersih dan bebas daripada habuk. Gunakan kain lembut dan kering untuk pembersihan.
- Elakkan daripada mendedahkan peranti kepada suhu yang melampau, kelembapan atau cahaya matahari langsung.
- Jangan cuba membuka atau membaiki peranti sendiri. Rujuk kepada kakitangan perkhidmatan yang berkelayakan.
- Handle CDs carefully to prevent scratches, which can affect playback quality.
Waranti dan Sokongan
The Syitren R400 CD Player comes with a one-year warranty service to address any manufacturing defects or issues. For support, please refer to the contact information provided with your purchase or visit the official Syitren webtapak.
For further assistance, please contact Syitren customer service.