1. Introduction
Thank you for purchasing the SANSUI F53 4.3-inch LED Display Radio Wireless Bluetooth Speaker. This device combines a portable Bluetooth speaker with an FM radio, MP4 music player, and video playback capabilities, all accessible via a vibrant 4.3-inch LED display. Designed for versatility and ease of use, it features multiple playback modes and a durable built-in battery for extended enjoyment.
2. Key Features
- 4.3-inch LED Display: Clear and intuitive interface for navigation and media playback.
- Wireless Bluetooth 5.3: Seamless connection to mobile phones, tablets, and other Bluetooth-enabled devices.
- Portable FM Radio: Receives 87.5-108 MHz band with direct frequency input.
- Multiple Playback Modes: Supports music and video playback from TF card, USB (U disk), and Bluetooth.
- Powerful Audio: 8W internal magnetic speaker with bass large diaphragm for rich sound.
- Long-lasting Battery: Built-in 3600mAh (3.7V, 1800mAh x 2PCS) lithium battery for extended use.
- Convenient Charging: Type-C input (DC5V/2A).
- Headphone Jack: For private listening.
- Strap Design: Flexible lanyard for easy carrying.
- Additional Functions: Photo viewer, Recorder, Browser, Tools.
3. Setup
3.1 Unboxing
Carefully remove the SANSUI F53 speaker and all accessories from the packaging. Please retain the packaging for future storage or transport.
3.2 Charging the Device
Before first use, fully charge the device. Connect the provided Type-C charging cable to the DC5V port on the speaker and the other end to a compatible USB power adapter (DC5V/2A recommended). The battery indicator on the display will show charging status.
3.3 Power On/Off
- To Power On: Press and hold the power button (usually marked with a power symbol) until the screen lights up.
- To Power Off: Press and hold the power button until the screen shuts down.
3.4 Initial Setup (Time/Date)
Upon first power-on or after a factory reset, you may need to set the date and time. Navigate to the 'Tools' or 'Settings' menu on the display and follow the on-screen prompts to adjust these settings.
4. Operating Instructions
4.1 Navigating the Interface
The SANSUI F53 features a 4.3-inch LED display and physical buttons for navigation. Use the directional buttons and the number pad to select options on the screen. The main menu typically includes icons for Music, Video, Bluetooth, FM Radio, Photo, Recorder, Browser, and Tools.
4.2 Bluetooth Mode
- Power on the SANSUI F53.
- Select the 'Bluetooth' icon from the main menu.
- On your mobile phone or tablet, enable Bluetooth and search for available devices.
- Select 'SANSUI F53' from the list to pair. A confirmation sound will indicate successful pairing.
- You can now play audio from your connected device through the SANSUI F53 speaker.
4.3 FM Radio Mode
- Select the 'FM Radio' icon from the main menu.
- The device will automatically scan for available stations or you can manually input a frequency using the number pad.
- Use the volume buttons to adjust the sound level.
4.4 Music and Video Playback (TF Card/USB)
- Insert a TF card into the TF card slot or a USB flash drive into the USB port.
- Select the 'Music' or 'Video' icon from the main menu.
- Browse your files and select the desired media to play.
- Use the playback control buttons (play/pause, next/previous, volume) to manage your media.
4.5 Headphone Connection
To listen privately, connect standard 3.5mm headphones to the headphone jack located on the device.
5. Maintenance
5.1 Cleaning
Wipe the device with a soft, dry cloth. Do not use abrasive cleaners, solvents, or strong chemicals, as these may damage the surface or internal components.
5.2 Battery Care
- To prolong battery life, avoid fully discharging the battery frequently.
- Charge the device regularly, even if not in use, to maintain battery health.
- Store the device in a cool, dry place when not in use for extended periods.
5.3 Storage
Store the SANSUI F53 in a dry environment, away from direct sunlight, extreme temperatures, and high humidity. Keep it away from strong magnetic fields.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on | Low battery; Power button not pressed correctly | Charge the device fully; Press and hold the power button for a few seconds |
| No sound | Volume too low; Muted; Incorrect source selected | Increase volume; Check mute status; Select correct playback mode (Bluetooth, TF, USB) |
| Bluetooth not connecting | Device not in pairing mode; Bluetooth off on source device; Too far apart | Ensure SANSUI F53 is in Bluetooth mode; Turn on Bluetooth on your phone/tablet; Keep devices within 10 meters |
| FM Radio static/poor reception | Weak signal; Interference | Move to an area with better reception; Try adjusting the device's position; Rescan for stations |
| Cannot play media from TF card/USB | Unsupported file format; Corrupted media; Card/drive not inserted correctly | Ensure media files are in supported formats (e.g., MP3, MP4); Reinsert TF card/USB drive; Try a different card/drive |
7. Specifications
| Feature | Detail |
|---|---|
| Product Model | F53 |
| Display | 4.3-inch LED |
| Rated Power | 8W |
| Horn Configuration | 1.75 inch inner magnetic horn |
| Frequency Response | 100Hz-18KHz |
| Bluetooth Version | 5.3 |
| Battery Type | Built-in Lithium Battery |
| Battery Capacity | 3600mAh (3.7V, 1800mAh x 2PCS) |
| Input Power | DC5V/2A (Type-C) |
| Body Size (L*W*H) | 140mm * 42mm * 85mm |
| FM Radio Band | 87.5-108 MHz |
| Playback Sources | Bluetooth, TF Card, USB (U disk) |
| Functions | Music, Video, Photo, Recorder, Browser, FM Radio, Tools |
8. User Tips
- For optimal FM radio reception, try to use the device in an open area or near a window.
- When playing videos, ensure the files are in a compatible format to avoid playback issues.
- Regularly check the battery level, especially before extended use, to ensure uninterrupted entertainment.
- Utilize the flexible lanyard for easy portability, making it convenient for both indoor and outdoor activities.
9. Warranty and Support
The SANSUI F53 comes with a standard manufacturer's warranty. For specific warranty details, please refer to the warranty card included with your product or contact the seller directly. If you encounter any issues or require technical assistance, please reach out to the customer support provided by your retailer or the manufacturer.