1. Introduction
Thank you for choosing the SANSUI F55 Wireless Bluetooth Speaker. This device is a versatile multimedia player featuring a 7-inch LED display, Bluetooth connectivity, FM radio, TF card and USB playback, MP4 music and video playback, and an alarm clock function. Designed for portability and rich audio experience, the F55 allows you to enjoy your favorite media anywhere. Please read this manual carefully to ensure proper use and optimal performance of your speaker.
2. Product Overview
The SANSUI F55 combines multiple entertainment features in a compact and portable design. Familiarize yourself with its components and controls.
Figure 2.1: Front view of the SANSUI F55, highlighting the 7-inch LED display and main interface icons.
Figure 2.2: Detailed view of the SANSUI F55's 7-inch screen and user interface.
2.1 Key Features
- 7-inch LED Display: For clear viewing of videos, photos, and interface.
- Wireless Bluetooth Connectivity: Seamlessly connect to smartphones, tablets, and other Bluetooth-enabled devices.
- FM Radio: Tune into your favorite radio stations with a frequency range of 87.5-108 MHz.
- TF Card & USB Playback: Play music and videos directly from external storage.
- MP4 Music & Video Player: Supports various media formats for entertainment.
- Built-in Speaker: 16W power output for rich, three-dimensional sound.
- Portable Design: Lightweight with a flexible lanyard for easy carrying.
- Integrated Kickstand: For stable, hands-free viewing.
- Alarm Clock Function: Convenient timekeeping and wake-up feature.
- Recording Function: Capture audio directly through the device.
2.2 Controls and Ports
The top panel of the F55 features various buttons for navigation and control. The side panels include ports for charging, USB, TF card, and auxiliary input.
Figure 2.3: Overview of key features and connectivity options.
3. Setup
3.1 Charging the Device
- Locate the Type-C charging port on the device.
- Connect the provided Type-C USB cable to the speaker and plug the other end into a compatible USB power adapter (not included) or a computer's USB port.
- The charging indicator will illuminate, typically red, during charging and change to green or turn off when fully charged.
- A full charge provides extended playback time thanks to the built-in 4400mAh lithium battery.
Figure 3.1: The F55 features a 4400mAh battery for long-lasting performance.
3.2 Powering On/Off
- To power on, press and hold the Power button (usually located on the top panel) for a few seconds until the screen illuminates.
- To power off, press and hold the Power button again until the screen turns off.
4. Operating Instructions
4.1 Bluetooth Connection
- Ensure the speaker is powered on.
- Navigate to the 'Bluetooth' icon on the 7-inch display and select it, or press the dedicated Bluetooth button if available.
- The speaker will enter pairing mode, indicated by a flashing Bluetooth icon or a voice prompt.
- On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select 'SANSUI F55' from the list of devices.
- Once paired, the speaker will confirm the connection, and you can now play audio from your device through the F55.
Figure 4.1: Quick Bluetooth connection for audio streaming.
4.2 FM Radio Operation
- From the main menu, select the 'Radio' icon.
- Use the navigation buttons (or direct frequency input if available) to tune to your desired FM station within the 87.5-108 MHz band.
- The F55 supports direct input of frequency bands or numbers for quick station selection.
- Adjust the volume using the volume controls.
Figure 4.2: FM Radio interface and tuning capabilities.
4.3 Media Playback (TF Card / USB Disk)
- Insert a TF card into the designated slot or a USB disk into the USB port.
- Navigate to 'Music' or 'Video' on the main display.
- Browse your files and select the desired audio or video content to play.
- Use the playback controls (Play/Pause, Next/Previous, Volume) on the device.
Figure 4.3: Video playback from external storage.
4.4 Using the Kickstand
The integrated kickstand on the back of the F55 allows for stable positioning on flat surfaces. Simply pull out the kickstand to prop up the device for comfortable viewing of videos or the display interface.
Figure 4.4: The stable kickstand for hands-free use.
4.5 Headphone Connection
For private listening, connect standard 3.5mm headphones to the headphone jack on the device.
4.6 Alarm Clock and Recording
Access the 'Settings' or 'Tools' menu on the display to configure the alarm clock or initiate audio recording.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the speaker. For the screen, use a microfiber cloth specifically designed for electronics. Do not use abrasive cleaners or solvents.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods.
- Water Resistance: This device is not waterproof. Avoid exposure to water or high humidity.
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 3-5 seconds. |
| No sound | Volume too low; Muted; Incorrect source selected; Bluetooth not connected | Increase volume. Check if device is muted. Ensure correct input source (Bluetooth, TF, USB) is selected. Reconnect Bluetooth. |
| Bluetooth pairing failed | Device too far; Speaker not in pairing mode; Interference | Ensure devices are within 10 meters. Put speaker into pairing mode. Turn off other Bluetooth devices. |
| FM radio static/poor reception | Weak signal; Interference | Relocate the speaker to an area with better reception. Extend any external antenna if available. |
| TF card/USB not recognized | Card/drive improperly inserted; Incompatible format; Corrupted files | Reinsert the card/drive. Ensure it is formatted to FAT32. Check files for corruption. |
7. Specifications
| Feature | Specification |
|---|---|
| Model | F55 |
| Brand | SANSUI |
| Display | 7-inch LED Screen |
| Bluetooth Version | 5.3 |
| Audio Output Power | 16W |
| Battery Capacity | 4400mAh Lithium Battery |
| FM Radio Frequency | 87.5 - 108 MHz |
| Media Playback | TF Card, USB Disk (U Disk), MP4 Video/Music |
| Charging Port | Type-C |
| Functions | Built-In Speaker, Screen, Portable, FM Radio, Alarm Clock, Recording, Video Playback |
| Product Dimensions (L x W x H) | 29 cm x 21 cm x 9 cm |
| Product Weight | 1.065 kg |
Figure 7.1: SANSUI F55 available color options.
8. User Tips
- Maximize Battery Life: For optimal battery performance, avoid exposing the device to extreme temperatures. Charge it fully before first use and periodically if stored for long periods.
- Enhance FM Reception: If you experience poor FM radio reception, try repositioning the speaker or moving closer to a window.
- File Compatibility: Ensure your media files on TF cards or USB drives are in commonly supported formats to avoid playback issues.
- Screen Protection: While portable, handle the 7-inch screen with care to prevent scratches. Consider a protective case if frequently transported.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your proof of purchase for any warranty claims.
