LENCENT MT03 Bluetooth 5.3 Car FM Transmitter User Manual

1. Introduction

Thank you for choosing the LENCENT MT03 Bluetooth 5.3 Car FM Transmitter. This device allows you to stream music and make hands-free calls through your car's FM radio, while also providing fast charging capabilities for your mobile devices. Please read this manual carefully to ensure proper use and optimal performance.

Figure 1: LENCENT MT03 Bluetooth 5.3 FM Transmitter, car charger, and AUX cable.

2. Package Contents

• LENCENT MT03 Bluetooth 5.3 Car FM Transmitter Unit
• Car Charger Adapter (integrated with the main unit)
• AUX Audio Cable
• User Manual (this document)

3. Product Overview

The LENCENT MT03 features an intuitive design for easy control and clear audio transmission. Key components include:

• FM Transmitter Unit: Main control panel with display, microphone, call button, volume/track controls, and bass/treble adjustments.
• Car Charger Adapter: Plugs into your car's cigarette lighter socket, providing power to the transmitter and offering fast charging ports.
• AUX Port: For direct audio input from devices.
• USB Disk Port: For playing music from a USB flash drive.
• Type-C (PD20W) and QC3.0 USB (18W) Ports: For fast charging your devices.

Figure 2: Music streaming options and control layout.

4. Specifications

5. Setup Instructions

5.1 Installation

1. Insert the LENCENT MT03 car charger adapter into your vehicle's cigarette lighter socket.
2. Mount the FM transmitter unit onto a suitable air vent using the provided clip. Ensure it is securely attached and positioned for easy viewing and access without obstructing your driving view.

Figure 3: Proper air vent mounting for safe driving.

5.2 Power On and FM Frequency Pairing

1. Once plugged in, the transmitter will power on automatically and its display will light up.
2. Tune your car's FM radio to an empty frequency (one with no static or existing radio station).
3. Adjust the FM frequency on the LENCENT MT03 to match your car's radio frequency. Use the 'CH+' and 'CH-' buttons on the transmitter to change the frequency.

5.3 Bluetooth Pairing

1. After setting the FM frequency, the transmitter's display will show 'bt' (Bluetooth) and an icon indicating it's ready for pairing.
2. On your mobile device, enable Bluetooth and search for available devices.
3. Select 'MT03' from the list of found devices to pair.
4. Once paired, the transmitter will confirm the connection, and you can now stream audio from your phone. The device will automatically reconnect to the last paired Bluetooth device when powered on again.

Figure 4: Enhanced Bluetooth 5.3 Chip for stable connection.

6. Operating Instructions

6.1 Music Streaming

You can stream music via Bluetooth, a USB flash drive, or the AUX port.

• Bluetooth: Once paired with your phone, play music on your phone, and it will transmit to your car's stereo.
• USB Disk: Insert a USB flash drive (FAT32 format, ≤64GB) containing MP3, WMA, WAV, or FLAC audio files into the designated USB port. The transmitter will automatically detect and play the music.
• AUX Port: Connect your audio device to the transmitter's AUX port using the provided AUX cable.

6.2 Call Functions

The MT03 supports hands-free calling with CVC8.0 noise reduction and DSP technology for clear conversations.

• Answer/End Call: Press the multi-function button (phone icon) once.
• Reject Call: Press and hold the multi-function button.
• Redial Last Number: Double-press the multi-function button.

Figure 5: Dual Mics and CVC/DSP Noise Cancellation for clear calls.

6.3 Voice Assistant

Engage your phone's voice assistant directly through the transmitter.

• Press and hold the multi-function button to activate Siri, Google Assistant, or Bixby on your connected phone.
• You can then issue voice commands for navigation, calls, messages, and more, keeping your focus on the road.

Figure 6: Intelligent voice assistant integration.

6.4 Treble and Bass Control

Customize your audio experience with adjustable treble and bass settings.

• Use the dedicated 'TRE+'/'TRE-' and 'BAS+'/'BAS-' buttons/knobs on the transmitter unit to increase or decrease treble and bass levels according to your preference.

Figure 7: Unique Bass & Treble Control for enhanced music experience.

6.5 Device Charging

The integrated car charger provides fast charging for your devices.

• Type-C Port: Supports PD20W fast charging for compatible devices (e.g., latest iPhones, iPads).
• QC3.0 USB Port: Supports QC18W fast charging for compatible Android phones and other devices.
• You can charge two devices simultaneously at high speed.

Figure 8: Fast charging ports (PD3.0 and QC3.0).

7. Maintenance

• Keep the device dry. Moisture can damage electronic circuits.
• Do not attempt to disassemble or modify the device. This will void the warranty.
• Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
• Avoid extreme temperatures. Store the device in a cool, dry place.
• Ensure the car cigarette lighter socket is clean and free of debris for optimal connection.

8. Troubleshooting

• No Power: Ensure the car charger is firmly inserted into the cigarette lighter socket and your car's ignition is on. Check your car's fuse for the cigarette lighter.
• Static/Poor Audio Quality: Try changing the FM frequency on both the transmitter and your car radio to find a clearer, unused channel. Ensure the volume on both the transmitter and your phone is set appropriately.
• Bluetooth Disconnection: Ensure your phone's Bluetooth is enabled and within range. Try unpairing and re-pairing the device. Restarting both the transmitter and your phone can also help.
• Charging Not Working: Check if the charging cable is securely connected to both the transmitter and your device. Ensure your device supports the fast charging protocols (PD or QC) for optimal speed.
• Voice Assistant Not Responding: Ensure your phone is connected via Bluetooth and its voice assistant feature is enabled and configured.

9. User Tips

• For the best audio experience, always try to find an FM frequency that is completely clear of any radio stations or static.
• When making calls, speak clearly towards the transmitter unit, as it houses the microphones.
• Utilize the air vent mount to keep the device at eye level, minimizing distraction while driving.
• Remember to adjust the bass and treble settings to match your music genre and personal preference for a richer sound.

10. Warranty and Support

LENCENT products are designed and manufactured to the highest quality standards. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official LENCENT website. Keep your purchase receipt as proof of purchase.