SANSUI F77 Wireless Bluetooth Speaker User Manual

1. Introduction

Thank you for purchasing the SANSUI F77 Wireless Bluetooth Speaker. This portable device combines a Bluetooth speaker, FM radio, TF card player, USB player, and voice recorder, offering versatile audio entertainment. Please read this manual carefully to ensure proper use and to maximize your enjoyment of the product.

2. Safety Information

• Do not expose the device to extreme temperatures, humidity, or direct sunlight.
• Keep the device away from water and other liquids.
• Do not attempt to disassemble or repair the device yourself. Refer all servicing to qualified personnel.
• Use only the specified charging voltage (DC 5V/1A).
• Keep out of reach of children.

3. Package Contents

• SANSUI F77 Wireless Bluetooth Speaker
• Charging Cable (USB)
• User Manual (This document)
• Removable Lithium Battery (may be pre-installed or separate)

4. Product Overview

The SANSUI F77 features a compact design with an intuitive button layout and a digital display. It includes an extendable external antenna for enhanced FM reception and various ports for connectivity.

Key Features:

• Bluetooth 5.3: For stable and low-power wireless connection.
• Multiple Playback Modes: Supports Bluetooth, TF card, USB drive, and FM radio.
• Voice Recorder: Built-in recording functionality.
• Portable Design: Compact and lightweight, with a lanyard for easy carrying.
• External Antenna: Enhances FM radio signal reception.
• Removable Battery: For convenience and extended use.

5. Setup

5.1. Charging the Battery

1. Ensure the removable lithium battery is correctly inserted into the battery compartment.
2. Connect the provided USB charging cable to the speaker's charging port (DC 5V/1A).
3. Connect the other end of the USB cable to a compatible USB power source (e.g., wall adapter, computer USB port).
4. The charging indicator will illuminate. A full charge takes approximately 5-6 hours.

5.2. Inserting TF Card / USB Drive

1. Locate the TF card slot or USB port on the side of the speaker.
2. Carefully insert your TF card or USB drive with music files. The device supports MP3 playback.

6. Operating Instructions

6.1. Power On/Off

Locate the power switch (usually a toggle or long-press button) on the device. Slide or press and hold to turn the speaker on or off.

6.2. Mode Switching

Press the 'M' button (Mode button) to cycle through available modes: Bluetooth, FM Radio, TF Card Playback, USB Playback, and AUX Input.

6.3. Bluetooth Pairing

1. Turn on the speaker and switch to Bluetooth mode. The display will show a Bluetooth icon or 'BT'.
2. On your mobile device, enable Bluetooth and search for available devices.
3. Select 'SANSUI F77' from the list.
4. Once paired, the speaker will indicate a successful connection (e.g., a sound prompt or steady Bluetooth icon).

6.4. FM Radio Operation

1. Switch to FM Radio mode.
2. Extend the external antenna for better reception.
3. Press the 'Play/Pause' button to auto-scan and save available FM stations.
4. Use the 'Previous/Next' track buttons to navigate between saved stations.
5. To directly tune to a frequency, use the numeric keypad. For example, to tune to 105.5 MHz, input '1055'. For a specific station number, input the number directly.

6.5. TF Card / USB Playback

1. Insert a TF card or USB drive with MP3 files.
2. Switch to TF card or USB mode. The speaker will automatically begin playing music.
3. Use the 'Previous/Next' track buttons to skip songs.
4. Use the numeric keypad for direct track selection (e.g., input '19' for track 19).

6.6. AUX Input

Connect an external audio device (e.g., smartphone, MP3 player) to the speaker's AUX port using a 3.5mm audio cable. Switch the speaker to AUX mode to play audio from the connected device.

6.7. Voice Recorder

In a compatible mode (e.g., standby or specific recording mode, refer to on-screen prompts), press the 'REC' button to start recording. Press again to stop and save. Use the 'DEL' button to delete recordings.

6.8. Volume Control

Adjust the volume using the dedicated volume knob or buttons, typically located on the side of the device.

7. Maintenance

• Cleaning: Wipe the speaker with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods.
• Storage: Store the speaker in a cool, dry place when not in use.

8. Troubleshooting

• No Power: Ensure the battery is charged and correctly inserted. Check the power switch.
• No Sound: Check the volume level. Ensure the correct playback mode is selected.
• Bluetooth Pairing Issues: Make sure the speaker is in Bluetooth pairing mode. Ensure your device's Bluetooth is on and within range. Try restarting both devices.
• Poor FM Reception: Extend the antenna fully. Try moving to a location with better signal.
• TF Card/USB Not Playing: Ensure the card/drive is inserted correctly and contains compatible audio files (MP3).

9. Specifications

10. User Tips

• For optimal FM radio reception, always extend the antenna fully and try different orientations.
• When using TF card or USB playback, ensure your audio files are in MP3 format for best compatibility.
• The numeric keypad allows for quick navigation to specific radio frequencies or music tracks, making it convenient for users who prefer direct input.
• Consider using the lanyard for secure carrying during outdoor activities.

No specific user tips were available from buyer reviews or Q&A for this product.

11. Warranty and Support

For detailed warranty information and customer support, please refer to the official user manual PDF available at: SANSUI F77 User Manual (PDF). You may also contact the seller or manufacturer directly for assistance.