Inleiding
The Surfans F28 is a high-fidelity portable music player designed to deliver an immersive audio experience. Featuring dual ESS9018 DACs, a 4.4mm balanced output, and comprehensive Bluetooth 5.2 support including LDAC and aptX HD, the F28 supports a wide range of lossless audio formats. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your device to ensure optimal performance and longevity.

Figuur 1: Voor en agter view of the Surfans F28 HiFi Music Player.
Pakketinhoud
Verifieer asseblief dat al die items wat hieronder gelys word, in u pakket teenwoordig is:
- 1x Surfans F28 HiFi Music Player
- 1x USB-C-laaikabel
- 1x 128GB Micro SD Card (pre-installed or included separately)
- 1x Gebruikershandleiding (hierdie dokument)

Figure 2: Illustration of typical package contents.
Produk verbyview
Familiarize yourself with the various components and controls of your F28 music player.
Sleutel kenmerke:
- Dual ESS9018 DACs: For high-resolution audio decoding and minimal distortion.
- 4.4 mm gebalanseerde uitset: Provides enhanced audio quality and power for demanding headphones.
- 3.5mm Single-Ended Output: Standard audio output for common headphones.
- Bidirectional Bluetooth 5.2: Supports LDAC and aptX HD for high-quality wireless audio transmission and reception.
- 3.5-inch IPS Touchscreen: For intuitive navigation and control.
- ALPS Analog Volume Knob: For precise volume adjustments.
- Uitbreidbare berging: Supports Micro SD cards up to 512GB.
- USB-C-poort: Vir laai en data-oordrag.

Figure 3: The F28 player showcasing its display and audio capabilities.

Figure 4: The dual ESS9018K2M DAC chips, central to the F28's high-fidelity audio.

Figure 5: Top panel with 4.4mm balanced and 3.5mm single-ended audio outputs, and the ALPS analog volume knob.
Opstelling
1. Laai die toestel
Before first use, fully charge the F28. Connect the included USB-C cable to the player's USB-C port and the other end to a USB power adapter (5V/1A recommended) or a computer's USB port. The charging indicator will show the charging status. A full charge typically takes several hours.
2. Die invoeging van die mikro-SD-kaart
The F28 supports Micro SD cards up to 512GB. Locate the Micro SD card slot on the bottom of the device. Gently insert the Micro SD card with the gold contacts facing down until it clicks into place. To remove, push the card in slightly until it springs out.

Figure 6: Inserting the Micro SD card and connecting via USB-C for data transfer.
3. Musiek oordra Files
Connect the F28 to your computer using the USB-C cable. The player will appear as a removable storage device. You can then drag and drop your music files directly into the Micro SD card's folders. The F28 supports various lossless formats including DSD (DSF/DFF), FLAC/WAV (up to 384kHz), AIFF/APE, as well as MP3/AAC.

Figuur 7: Ondersteunde klank file formats for the F28 player.
Bedryfsinstruksies
1. Skakel aan/af
- Krag aan: Press and hold the power button (located on the side) until the screen illuminates.
- Skakel af: Press and hold the power button until a power-off prompt appears, then confirm.
2. Basiese navigasie
The F28 features a 3.5-inch IPS touchscreen for primary navigation. Swipe gestures and taps are used to select options and move between menus. Physical buttons on the side provide additional control for playback (play/pause, next/previous track) and menu navigation.
3. Musiekweergawe
From the main menu, select "My Music" or "Folder" to browse your audio files. Tap on a song to begin playback. The playback screen displays track information, progress, and playback controls.
4. Volumebeheer
Adjust the volume using the gold-colored ALPS analog knob located on the top right of the device. Rotate clockwise to increase volume and counter-clockwise to decrease. The volume level will be displayed on the screen.
5. Bluetooth-verbinding
The F28 supports Bidirectional Bluetooth 5.2 with LDAC and aptX HD codecs for high-quality wireless audio. To pair with Bluetooth headphones or speakers:
- Go to "System Settings" and select "Bluetooth".
- Skakel Bluetooth AAN.
- The player will scan for available devices. Select your device from the list to pair.
The F28 can also act as a Bluetooth receiver, allowing you to stream audio from your phone or PC to the player.

Figure 8: The F28 features a Bluetooth 5.2 chip for stable and high-quality wireless connections.
6. Equalizer-instellings
The F28 includes an equalizer to customize your sound. Navigate to the "Equalizer" option in the settings. You can choose from various presets or create a custom sound profile by adjusting the frequency bands.

Figure 9: Customizing audio with the built-in equalizer.
7. Verbinding met eksterne toestelle
Use the 4.4mm balanced or 3.5mm single-ended output to connect to headphones, amplifiers, or speakers. The USB-C port also supports USB DAC functionality, allowing the F28 to act as an external sound card for your computer.

Figure 10: The F28 can be connected to various audio systems, including acting as a USB DAC for computers.
Onderhoud
- Skoonmaak: Gebruik 'n sagte, droë lap om die toestel skoon te maak. Vermy die gebruik van skuurmiddels of oplosmiddels.
- Berging: Bêre die speler op 'n koel, droë plek weg van direkte sonlig en uiterste temperature.
- Batterysorg: Om die batterylewe te verleng, vermy om die battery gereeld heeltemal te ontlaai. As dit vir lang tydperke gestoor word, laai die battery elke paar maande tot ongeveer 50%.
Probleemoplossing
| Probleem | Moontlike oorsaak | Oplossing |
|---|---|---|
| Toestel skakel nie aan nie. | Lae battery; toestel gevries. | Charge the device for at least 30 minutes. If still unresponsive, try holding the power button for 10-15 seconds for a hard reset. |
| Touchscreen is unresponsive or slow. | Tydelike sagtewarefout; skermbeskermer-interferensie. | Restart the device. Ensure the screen is clean and free of debris. If using a screen protector, ensure it is properly applied and not too thick. |
| Bluetooth-paringsprobleme. | Device not in pairing mode; distance; interference. | Ensure both devices are in pairing mode and within range. Turn off and on Bluetooth on both devices. Clear previous pairings if necessary. |
| Low volume via Bluetooth. | Volume settings on both devices; codec compatibility. | Increase volume on both the F28 and the connected Bluetooth device. Ensure optimal codec (LDAC/aptX HD) is selected if supported by the receiving device. |
| Musiek files not recognized or played in incorrect order. | Korrupte files; file system indexing issue. | Verseker files are in supported formats. Re-scan the music library from the player's settings. If issues persist, try reformatting the Micro SD card (backup data first) and re-transferring files. Note: Some players may sort by filename alphabetically rather than track number metadata. |
Spesifikasies
| Kenmerk | Detail |
|---|---|
| Model Naam | F28 128G |
| Produk afmetings | 0.7 x 2.6 x 4.7 duim |
| Item gewig | 9.6 onse |
| DAC-skyfie | Dual ESS9018K2M |
| Ondersteunde oudioformate | DSD (DSF/DFF), FLAC/WAV (up to 384kHz/32-bit), AIFF/APE, MP3/AAC, WMA Lossless |
| Bluetooth weergawe | 5.2 (Bidirectional, supports LDAC/aptX HD) |
| Skerm grootte | 3.5 Inches IPS Touchscreen |
| Interne berging | 128GB (included Micro SD card) |
| Uitbreidbare berging | Up to 512GB via Micro SD card |
| Battery | 1x 12V battery (included), approx. 12-hour playback |
| Uitsetpoorte | 4.4mm Balanced, 3.5mm Single-Ended |
| Verbindingstegnologie | Aux, Bluetooth 5.2, USB-C |
| Spesiale kenmerk | Gelykmaker |
Waarborg en Ondersteuning
For warranty information and technical support, please refer to the official Surfans webwebwerf of kontak hul kliëntediens direk. Bewaar u aankoopbewys as bewys van aankoop vir waarborgeise.
You can visit the official Surfans Store on Amazon for more information and support: Surfans Audio Store