SANSUI F51/F50 Portable Multimedia Radio Instruction Manual

1. Introduction

Thank you for choosing the SANSUI F51/F50 Portable Multimedia Radio. This device is a versatile entertainment system designed for portability and ease of use. It combines a multi-band radio (FM/MW/SW) with a Bluetooth speaker, and a multimedia player capable of playing videos, music, and e-books from TF cards and USB drives. This manual provides essential information for setting up, operating, and maintaining your device.

2. Product Overview

2.1. Components and Controls

The SANSUI F51/F50 features a user-friendly design with intuitive controls and multiple connectivity options.

Figure 1: SANSUI F51/F50 Portable Multimedia Radio

Figure 2: SANSUI F51 model with extended antenna

Figure 3: Side view of SANSUI F51 showing ports and kickstand

Key Features:

• Display: 7-inch IPS LED screen (F51) / 4.3-inch LED screen (F50)
• Radio: FM, MW, SW bands with 360-degree rotating 53cm antenna
• Connectivity: Bluetooth 5.3 (F51) / 5.0 (F50), USB port, Dual TF card slots (F51), Single TF card slot (F50), 3.5mm headphone jack, Type-C charging port
• Multimedia: Video player (up to 1080P), Audio player (MP3, WAV, FLAC, etc.), E-book reader, Image viewer
• Audio: Built-in full-range internal magnetic speaker (3-inch for F51, 2.5-inch for F50), Built-in microphone
• Power: Detachable 18650 lithium battery (1200mAh x3) for extended playback
• Portability: Leather handle (F51) / Hanging rope (F50), integrated kickstand (F51)

Controls:

• Power Switch: On/Off
• Knobs: Volume adjustment, Channel tuning
• Buttons: FM, MW, SW band selection, Numeric keypad for direct frequency/song selection, Play/Pause, Skip/Next, Menu, Return

3. Specifications

4. Setup

4.1. Battery Installation

1. Locate the battery compartment on the back of the device.
2. Open the battery compartment cover.
3. Insert three 18650 lithium batteries (1200mAh each) into the compartment, ensuring correct polarity (+/-).
4. Close the battery compartment cover securely.

Figure 4: Battery compartment and Type-C charging port (F51 model shown)

4.2. Charging the Device

Connect the provided Type-C charging cable to the charging port on the side of the device and plug the other end into a DC 5V/1A power source (e.g., a USB wall adapter, not included). The device can be used while charging.

4.3. Inserting TF Card / USB Drive

To play media files, insert a TF card into one of the TF card slots (F51 has dual slots, F50 has one) or a USB flash drive into the USB port. Ensure the media is inserted correctly.

Figure 5: TF card insertion (F51 model shown)

Figure 6: USB drive insertion (F51 model shown)

5. Operating Instructions

5.1. Power On/Off

Slide the power switch to the 'ON' position to turn on the device. Slide it to 'OFF' to power down.

5.2. Radio Operation

1. Extend Antenna: Fully extend the 360-degree rotating antenna for optimal reception.
2. Select Band: Press the FM, MW, or SW buttons to select the desired radio band.
3. Tune Channels: Use the tuning knob to manually scan for stations. Alternatively, use the numeric keypad to directly input a frequency. The device also supports automatic station search.
4. Adjust Volume: Use the volume knob to increase or decrease the sound level.

Figure 7: Radio interface and antenna usage (F51 model shown)

5.3. Bluetooth Playback

1. Turn on the device and select the Bluetooth mode.
2. Enable Bluetooth on your external device (e.g., smartphone).
3. Search for available devices and select 'SANSUI F51' or 'SANSUI F50' to pair.
4. Once paired, you can play audio from your external device through the radio's speaker. The effective range is approximately 10 meters.

Figure 8: Bluetooth 5.0 connectivity (F51 model shown)

5.4. Media Playback (TF Card / USB Drive)

1. Insert a TF card or USB drive containing your media files.
2. Navigate through the menu to select the desired media type: Music, Video, Image, or E-book.
3. Use the navigation buttons and numeric keypad to select and play your files.
4. For audio files, if an 'LRC' lyrics file with the same name is present, lyrics will be displayed on the screen.

Figure 9: Media playback options (F50 model shown)

5.5. Video Playback

The device supports full-format 720P high-definition video playback, with some formats supporting up to 1080P. Ensure your video files are in a compatible format (e.g., RM, AVI, MP4) and stored on a TF card or USB drive.

5.6. E-book Reading

The device supports TXT and ANSI e-book formats. Load your e-book files onto a TF card or USB drive and select the E-book option from the menu.

5.7. Headphone Use

Plug 3.5mm headphones into the dedicated headphone jack for private listening.

Figure 10: Headphone jack (F51 model shown)

6. Maintenance

6.1. Cleaning

Wipe the device with a soft, dry cloth. Do not use liquid cleaners or abrasive materials, as they may damage the screen or casing.

6.2. Battery Care

The detachable 18650 lithium batteries offer long life. For optimal performance and longevity, avoid fully discharging the batteries frequently. If storing the device for an extended period, charge the batteries to about 50% and remove them from the device.

6.3. Storage

Store the device in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. Keep it away from strong magnetic fields.

7. Troubleshooting

7.1. No Power

• Ensure the power switch is in the 'ON' position.
• Check if the batteries are correctly installed and charged.
• Connect the device to a power source using the Type-C cable to see if it powers on.

7.2. No Sound

• Check the volume level and adjust the volume knob.
• If headphones are connected, ensure they are fully plugged in and functioning.
• If using Bluetooth, ensure the device is properly paired and the volume on both the radio and the connected device is up.

7.3. Poor Radio Reception

• Fully extend and rotate the antenna to find the best signal.
• Try moving the device to a different location, away from potential interference sources (e.g., other electronic devices, metal structures).
• For FM, ensure you are within the broadcast range.

7.4. Media Files Not Playing

• Ensure the TF card or USB drive is inserted correctly.
• Verify that the media files are in a supported format (refer to Specifications).
• Check if the TF card or USB drive is corrupted or empty.

7.5. Bluetooth Connection Issues

• Ensure the radio is in Bluetooth mode and discoverable.
• Make sure your external device's Bluetooth is enabled and within the 10-meter range.
• Try unpairing and re-pairing the devices.

8. User Tips

• Maximize Battery Life: To get the most out of your battery, consider reducing screen brightness when not actively watching videos, and turn off the device when not in use.
• Media Organization: Keep your media files organized in folders on your TF card or USB drive for easier navigation, especially for e-books and music.
• Radio Reception: For the best radio experience, especially for shortwave (SW) bands, try using the device outdoors or near a window.
• Video Playback: While the device supports video playback, it is primarily designed for local media files stored on TF cards or USB drives. It does not support direct TV signal reception or screen mirroring from mobile phones.

9. Warranty & Support

For warranty information and technical support, please refer to the warranty card included in your product packaging or contact the seller directly. Keep your purchase receipt as proof of purchase.