1. Introduction
Thank you for choosing the Sansui F51/F50 Multifunctional Video Radio Speaker. This device combines a full-band radio, a high-definition video player, a Bluetooth speaker, and an e-book reader into a portable unit. Designed for ease of use and versatility, it offers a rich multimedia experience on the go. This manual provides detailed instructions to help you get the most out of your device.
Figure 1: Sansui F51 7-inch model displaying the main menu.
2. Key Features
- High-Definition IPS Screen: F51 features a 7-inch IPS screen, while F50 has a 4.3-inch screen, both supporting 720P full-format video playback (up to 1080P).
- Multi-band Radio: FM, MW (Medium Wave), and SW (Short Wave) radio reception with a 360-degree rotating 53cm antenna for enhanced signal. Supports automatic radio reception and FM campus broadcasting.
- Bluetooth Connectivity: Bluetooth version 5.3 (F51) / 5.0 (F50) for remote wireless connection and lossless music playback.
- Multiple Playback Options: Supports USB flash drive, dual TF card playback, AUX play, and Bluetooth playback.
- Multimedia Player: Play music, videos, browse photos, and read e-books.
- User-Friendly Controls: Knob-type volume adjustment, channel tuning, and digital song selection function. F51 includes numerical buttons for direct selection.
- Portable Design: Lightweight with a leather handle (F51) or strap design (F50) for easy carrying.
- Long Battery Life: Equipped with 3 detachable 18650 lithium batteries (1200mAh each), providing over 8 hours of continuous listening.
- Quality Audio: F51 features a 3-inch internal magnetic speaker, F50 has a 2.5-inch internal magnetic speaker, delivering clear and pleasant sound.
- Headphone Jack: Dedicated 3.5mm headphone jack for private listening.
Figure 2: Visual representation of the device's multifunctional capabilities.
3. Package Contents
Please check the box for the following items:
- 1 x Sansui F51/F50 Multifunctional Video Radio Speaker
- 1 x Type-C Charging Cable
- 1 x User Manual (this document)
- 1 x Leather Handle (F51) / Hanging Rope (F50)
- 3 x 18650 Lithium Batteries (1200mAh each)
4. Specifications
| Feature | F51 (7-inch model) | F50 (4.3-inch model) |
|---|---|---|
| Product Dimensions (L*W*H) | 223mm * 34.5mm * 124.5mm | 162.6mm * 33.5mm * 88.9mm |
| Net Weight | 568g | Approx. 350g |
| Screen Type | 7-inch IPS HD LED | 4.3-inch HD LED |
| Video Playback | 720P full format (up to 1080P) | 720P full format (up to 1080P) |
| Bluetooth Version | 5.3 | 5.0 |
| Antenna Length | 53cm (rotating) | 53cm (rotating) |
| FM Frequency Range | 87.5 - 108MHz | 70 - 108MHz |
| MW Frequency Range | 522 - 1620KHz | 522 - 1620KHz |
| SW Frequency Range | 2.3 - 22MHz | 2.3 - 22MHz |
| Speaker Configuration | 3-inch internal magnetic speaker | 2.5-inch internal magnetic speaker |
| Rated Power | 5W | 5W |
| Frequency Response | 100Hz - 18KHz | 100Hz - 18KHz |
| Battery Type | 3 x 18650 Lithium (1200mAh each) | 3 x 18650 Lithium (1200mAh each) |
| Input Power Supply | DC 5V/1A (Type-C) | DC 5V/1A (Type-C) |
| Supported Audio Formats | MP3, WAV, OGG, APE, FLAC (supports lyrics display with "LRC" file) | |
| Supported Video Formats | H.264HP, RM, AVI, MKV, VOB, MOV, FLV, ASF, DAT, MP4, 3GP, MPG, MPEG, Xvid, Mpeg2 | |
| Supported Image/E-book Formats | JPG, JPEG, BMP, GIF, PNG, TXT, ANSI | |
Figure 3: The 7-inch HD screen of the F51 model.
Figure 4: The 4.3-inch screen of the F50 model.
5. Setup Guide
5.1. Battery Installation and Charging
- Locate the battery compartment on the back of the device.
- Insert the three provided 18650 lithium batteries, ensuring correct polarity.
- Close the battery compartment cover securely.
- Connect the device to a DC 5V/1A power source using the supplied Type-C charging cable. The charging indicator will show the charging status.
- A full charge provides approximately 8-10 hours of continuous use.
Figure 5: Battery installation and charging port.
5.2. Inserting Storage Media (USB/TF Card)
- USB Flash Drive: Insert your USB flash drive into the USB port on the side of the device. Ensure media files (music, videos, images, e-books) are stored in compatible formats.
- TF Card: The device supports dual TF card insertion. Insert your TF card(s) into the designated TF card slot(s) on the side of the device.
Figure 6: Dual TF card slots and USB port for media input.
6. Operating Instructions
6.1. Power On/Off
Press and hold the power button (usually located on the side or top) to turn the device on or off.
6.2. Navigating the Interface
The device features a clear display screen with intuitive icons for different functions:
Figure 7: Main menu interface.
- Use the physical buttons or touch screen (if applicable) to select desired functions like Music, Video, Bluetooth, Photo, E-book, File Management, or Tools.
- The F51 model includes a numerical keypad for direct selection of songs or radio stations.
6.3. Radio Operation (FM/MW/SW)
- Extend the 53cm rotating antenna for optimal reception.
- Select the "Radio" function from the main menu or use the dedicated FM/MW/SW buttons.
- Use the tuning knob to manually adjust the frequency or activate the automatic search function to find available stations.
- Adjust the volume using the volume knob.
Figure 8: Radio antenna and reception capabilities.
6.4. Media Playback (Music, Video, Photos)
- Ensure your USB drive or TF card with media files is inserted.
- Select "Music", "Video", or "Photo" from the main menu.
- Navigate through your files and select the desired item to play or view.
- Use the playback controls (play/pause, next/previous, fast forward/rewind) on the device.
Video 1: Demonstration of video playback and interface navigation on both F50 and F51 models.
Figure 9: Playing media directly from a USB drive.
Figure 10: Playing media directly from a TF card.
6.5. Bluetooth Connection
- Select the "Bluetooth" icon from the main menu. The device will enter pairing mode.
- On your smartphone or other Bluetooth-enabled device, search for available devices and select "SANSUI" to connect.
- Once connected, you can play audio from your paired device through the speaker.
Figure 11: Bluetooth pairing process.
6.6. E-book Reading
- Ensure e-book files (TXT, ANSI) are on your inserted USB drive or TF card.
- Select the "E-book" icon from the main menu.
- Browse and open your desired e-book.
6.7. Headphone Use
Plug your 3.5mm wired headphones into the headphone jack on the side of the device for private listening.
Figure 12: Using headphones with the device.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Do not use liquid cleaners or aerosols.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: If the device will not be used for an extended period, remove the batteries to prevent leakage. Recharge batteries regularly to maintain their lifespan.
- Antenna: Handle the antenna carefully to avoid bending or breaking.
8. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Device does not power on. | Check if batteries are correctly installed and charged. Connect to power adapter to see if it turns on. |
| No radio reception or poor signal. | Fully extend and rotate the antenna. Try moving to a location with better signal. Perform an automatic station search. |
| Cannot connect via Bluetooth. | Ensure Bluetooth is enabled on both devices and they are within 10 meters range. Make sure the device is in pairing mode. |
| Media files not playing. | Check if the USB drive/TF card is inserted correctly. Verify that the media files are in supported formats (refer to Specifications). |
| No sound from speaker/headphones. | Check volume level. Ensure headphones are fully plugged in if using them. |
| Device is not a TV receiver. | This device is a multimedia player and radio, not designed to receive broadcast television signals. |
| Device does not run Android apps. | This device runs its own proprietary operating system and does not support Android applications. |
9. User Tips
- For optimal video and audio quality, ensure your media files are encoded in compatible formats and resolutions as listed in the specifications.
- When reading e-books with lyrics, make sure the corresponding ".LRC" file is in the same directory as the audio file for proper display.
- The numerical keypad on the F51 model allows for quick access to specific radio frequencies or track numbers, enhancing user convenience.
- Utilize the built-in stand (F51) or hanging rope (F50) for hands-free viewing or portability during outdoor activities.
- To switch languages, navigate to the 'Tools' or 'Settings' menu on the device interface.
Figure 13: Accessing language settings via the 'Tools' menu.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the seller's contact information provided at the time of purchase or visit the official Sansui website. Keep your purchase receipt as proof of purchase.
