Syntech Airplane Bluetooth 5.4 Transmitter Receiver User Manual

Introduction

The Syntech B101-BK is a versatile 2-in-1 Bluetooth 5.4 Transmitter and Receiver designed to provide wireless audio connectivity for various devices. It allows you to transmit audio from non-Bluetooth sources to Bluetooth headphones or speakers, and receive audio from Bluetooth-enabled devices to wired speakers or car stereos.

Image: The Syntech B101-BK device shown with its included accessories: a USB-C charging cable, a dual 3.5mm AUX adapter, and a storage pouch.

Package Contents

Verify that all items are present in your package:

• Syntech B101-BK Bluetooth Transmitter/Receiver
• Dual 3.5mm AUX Adapter
• USB-A to USB-C Charging Cable
• Storage Pouch
• User Manual

Image: A visual representation of the Syntech B101-BK package contents, including the device, adapters, cables, and pouch.

Safety Information

Please read and follow these safety guidelines:

• Always follow battery handling precautions.
• Do not expose the device to extreme temperatures or humidity.
• This device may interfere with other wireless devices if not used properly.

Setup

1. Charging the Device

Before first use, fully charge the device.

1. Connect the USB-C end of the charging cable to the device's charging port.
2. Connect the USB-A end to a compatible USB power source (e.g., wall adapter, computer USB port).
3. The device will indicate charging status on its HD display. A full charge takes approximately 1.5 hours.

Battery Life: Up to 12 hours in Transmitter (TX) mode, and up to 15 hours in Receiver (RX) mode.

Image: The Syntech B101-BK device connected to a power outlet via its USB-C charging cable, illustrating its extended battery life capabilities.

2. Understanding Modes (TX/RX)

The Syntech B101-BK operates in two modes:

• Transmitter (TX) Mode: Sends audio from a non-Bluetooth device (e.g., airplane entertainment system, TV, computer) to your Bluetooth headphones or speakers.
• Receiver (RX) Mode: Receives audio from a Bluetooth-enabled device (e.g., smartphone, tablet, laptop) and outputs it to a wired speaker, car stereo, or home amplifier.

To switch between modes, use the slide switch located on the side of the device.

Image: A diagram illustrating the different applications for Transmitter (TX) mode (e.g., airplane, TV, computer to headphones) and Receiver (RX) mode (e.g., phone, tablet, laptop to car, speakers).

Operating Instructions

1. Transmitter (TX) Mode Operation

Use this mode to connect your Bluetooth headphones to non-Bluetooth audio sources.

1. Slide the mode switch on the device to the TX position.
2. Insert the 3.5mm AUX jack into the audio output port of your source device (e.g., airplane seat audio jack, TV headphone jack). If connecting to an airplane's dual-pin audio jack, use the included dual 3.5mm AUX adapter.
3. Press and hold the Pairing 'O' Button for 3 seconds to power on the device. Double-click the 'O' button to activate searching for Bluetooth devices. The display will show 'Pairing...'.
4. Put your Bluetooth headphones or speakers into pairing mode. Refer to your headphone's manual for specific instructions.
5. On the Syntech device's display, use the rotary knob to navigate and select your desired Bluetooth device. Press the Pairing 'O' Button to confirm the connection.
6. Once connected, audio from your source device will be transmitted to your headphones. Adjust the volume using the rotary knob on the Syntech device.

Image: Step-by-step visual guide for setting up the Syntech B101-BK in Transmitter (TX) mode, showing connection to an audio source and pairing with headphones.

Image: The Syntech B101-BK connected to an airplane's in-flight entertainment system, transmitting audio to wireless earbuds.

2. Receiver (RX) Mode Operation

Use this mode to stream audio from your Bluetooth-enabled device to wired speakers or car stereos.

1. Slide the mode switch on the device to the RX position.
2. Insert the 3.5mm AUX jack into the audio input port of your wired speaker, car stereo, or home audio system.
3. Press and hold the Pairing 'O' Button for 3 seconds to power on the device. The display will show 'Pairing...'.
4. On your smartphone, tablet, or other Bluetooth-enabled device, go to Bluetooth settings and select 'B101' from the list of available devices to connect.
5. Once connected, audio from your Bluetooth device will be streamed to your wired speakers. Adjust the volume using the rotary knob on the Syntech device or your source device.

Image: Step-by-step visual guide for setting up the Syntech B101-BK in Receiver (RX) mode, showing connection to a wired speaker and pairing with a smartphone.

Image: The Syntech B101-BK connected to a car's AUX input, streaming music from a smartphone.

3. Dual Pairing (TX Mode Only)

The device supports connecting to two Bluetooth headphones simultaneously in TX mode.

1. Ensure one pair of Bluetooth headphones is already connected in TX mode.
2. Double-click the Pairing 'O' Button to enter pairing mode for the second device. The display will show 'Pairing...'.
3. Put the second pair of Bluetooth headphones into pairing mode.
4. On the Syntech device's display, use the rotary knob to select the second device and press the Pairing 'O' Button to confirm the connection.
5. Both pairs of headphones will now receive audio from the source.

Image: Step-by-step visual guide for pairing a second Bluetooth device to the Syntech B101-BK in Transmitter (TX) mode.

4. Controls and Functions

The device features an intuitive display and controls:

Image: A detailed table outlining the functions of each button and control on the Syntech B101-BK device for both Transmitter (TX) and Receiver (RX) modes.

Maintenance

To ensure the longevity and optimal performance of your Syntech B101-BK:

• Keep the device clean by wiping it with a soft, dry cloth.
• Avoid exposing the device to liquids, dust, or extreme temperatures.
• Store the device in the provided storage pouch when not in use to protect it from scratches and minor impacts.
• Charge the device regularly, even if not in frequent use, to maintain battery health.

Troubleshooting

If you encounter issues with your Syntech B101-BK, refer to the following common solutions:

Connection Issues

• Long Pairing Time: Some headphones may take longer to pair (up to 90 seconds). Be patient and ensure both devices remain in pairing mode.
• Unstable Connection/High Latency: Try reconnecting the devices. If the issue persists, try using different Bluetooth headphones or speakers, as compatibility can vary.
• Device Not Found: Ensure the Syntech B101-BK is in the correct TX or RX mode for your intended use. Make sure both the adapter and your audio device are in pairing mode.
• Cannot Connect: Clear the device's memory by performing five quick clicks on the Pairing 'O' Button, then restart the pairing process.

Volume Issues

• No Sound or Low Volume: Ensure the Syntech device or connected headphones are not in pause mode. Turn the rotary knob clockwise to increase the volume. Check volume levels on both the Syntech device and the connected audio source/headphones.
• Distorted Audio: Reduce the volume on either the Syntech device or the connected audio source/headphones. Ensure the devices are within the optimal operating range (up to 15 meters).

Other Issues

• Device Not Powering On: Ensure the device is sufficiently charged. Connect it to a power source using the USB-C cable.
• Interference: If experiencing interference, move the device away from other wireless electronics.

Specifications

Image: A visual representation highlighting the key features of the Syntech B101-BK, including Bluetooth 5.4, faster connection speeds, extended range, and low latency.

Warranty and Support

Syntech provides a 12-month warranty for this product, covering manufacturing defects and ensuring reliable performance. For any questions, technical assistance, or warranty claims, please contact Syntech customer support. Refer to the product packaging or the official Syntech website for contact details.