LEXIN LX-G16 Motorcycle Bluetooth Intercom

Table of Contents

• 01 Function Introduction
• 02 Product Packaging
• 03 Installation Instructions
• 06 Basic Operation
• 16 Maintenance & Certification

01 Function Introduction

Bluetooth 5.0

• CVC & DSP Noise Cancellation
• LED Headlamp
• USB Type-C (Charging Connector)
• Voice Guide
• Compatible with other intercom models
• Hands-free calling
• Music Playback
• Navigation Voice Guidance
• FM Radio
• Voice Control

The LX-G16 allows for intercom communication with up to 16 units, with a maximum connection distance of approximately 2,000 meters. It supports Bluetooth 5.0 specifications, including HSP, HFP, and A2DP profiles, and can be paired with other Bluetooth-enabled intercoms.

Speakers

Equipped with high-quality 40mm stereo speakers. The detachable speaker microphones are designed for both jet helmets and full-face helmets. The thin, high-quality speakers deliver clear audio, while the noise-canceling microphone effectively reduces wind noise and ambient sounds for clear communication and high-fidelity audio even while riding.

Battery

The LX-G16 features an 800mAh lithium battery, providing up to 15 hours of continuous talk time or music playback. Standby time is up to one week. Actual usage time may vary depending on usage methods and environment.

Function Priority Order

Multiple functions cannot be used simultaneously. Functions operate based on the following priority order (higher priority functions interrupt lower priority ones):

1. Smartphone/Mobile Phone Calls
2. Intercom Conversation
3. Music / FM Radio / Navigation

Note: Using a higher priority function will interrupt lower priority functions. For example, radio playback will be interrupted by an intercom conversation, and a smartphone call will interrupt an intercom conversation.

Important Safety Information

Caution: Please check the laws and regulations of your region regarding the use of mobile phones or communication devices while operating a motorcycle.

02 Product Packaging

The package includes the following items:

• LX-G16 Main Unit
• 40mm HD High-Quality Speakers
• Mounting Bracket Base
• Mounting Bracket
• Bracket Plastic Pad
• Bracket Rubber Pad
• Pad for removing the unit
• 3M Double-Sided Tape Bracket
• Arm/Wire Microphone
• Arm Microphone Holder
• Instruction Manual
• USB Type-C Charging Cable
• Screw Driver and 4 Screws
• Speaker Pads
• Velcro pads

Diagram Description: The packaging contents are visually laid out, showing the main unit, speakers, various mounting brackets, microphones (arm and wire types), USB cable, and accessories like the screwdriver and velcro pads.

03 Installation Instructions

Mounting the Bracket

1. Mounting Bracket (Screw Mount):

Insert the mounting bracket between the helmet shell and the inner lining on the left side of the helmet. Secure the mounting bracket base to the bracket using the provided screws. If needed, use the included bracket rubber pads or plastic pads to adjust the thickness for a snug fit. If using the plastic pad, longer screws may be required.

Diagram Description: Illustrates attaching the bracket to a helmet using screws, with insets showing the use of rubber and plastic pads for thickness adjustment.

2. 3M Double-Sided Tape Bracket:

Use this method if the screw-mount bracket is not suitable or preferred. Ensure the helmet surface is clean and free of oil before applying the double-sided tape. Press firmly. It is recommended to wait approximately 24 hours before using the unit after mounting.

Caution: The screw-mount bracket is recommended for installation. LEXIN is not responsible for any damages resulting from the use of the double-sided tape method.

Mounting and Removing the Intercom Unit

Mounting: Align the LX-G16 unit with the bracket and slide it down from the top. Push firmly until it clicks into place. Ensure it is fully secured.

Removing: Use the included removal pad. Insert the pad between the unit and the bracket, then push upwards from the bottom to detach the unit.

Diagram Description: Shows the process of sliding the intercom unit onto the bracket until it clicks, and then using a tool to pry it off.

Mounting the Speakers

Note: For optimal FM radio reception, place the speaker with the shorter wire on the left ear and the speaker with the longer wire on the right ear.

1. Position the speakers inside the helmet and secure them using the provided Velcro pads.
2. If the helmet's ear pockets are deep, use the included speaker pads for adjustment.
3. Tuck the speaker wires neatly inside the helmet lining and shell.

Diagram Description: Depicts placing the speaker inside the helmet, securing it with velcro, and tucking the wires.

Mounting the Microphone

Note: The wire microphone is suitable for full-face helmets, and the arm microphone is suitable for open-face helmets. Both can be used with either helmet type.

Wire Microphone Installation:

1. For full-face helmets, attach a Velcro pad to the center of the helmet's interior where the wire microphone can be mounted.
2. Attach the wire microphone to the Velcro pad.
3. Connect it to the speaker on the left side.

Diagram Description: Shows attaching the wire microphone to the inside of a full-face helmet.

Arm Microphone Installation:

1. Attach a Velcro pad to the helmet's interior using double-sided tape.
2. Attach the arm microphone to the Velcro pad. Ensure the white triangle mark on the microphone faces your mouth.
3. Use the arm microphone holder if necessary for optimal positioning.

Diagram Description: Shows attaching the arm microphone to the inside of an open-face helmet, with a note on positioning.

06 Basic Operation

Power On/Off: Press and hold the Power button and the Intercom button simultaneously for approximately 1 second.

Diagram Description: A diagram of the LX-G16 unit showing the locations of the Power button, Intercom button, Volume Up/Down buttons, LED button, and ports (USB Type-C Earphone, USB Type-C Charging). It indicates that pressing the Power and Intercom buttons together for 1 second turns the unit on or off.

Power On/Off

To Turn On: Press and hold the Power button and the Intercom button simultaneously for about 1 second. The blue LED will flash, indicating the unit is on. A voice prompt will announce the battery level.

To Turn Off: Press and hold the Power button and the Intercom button simultaneously for about 1 second. The red LED will flash once, indicating the unit is off.

Battery

Charging:

1. Connect the LX-G16 unit to a USB Type-C cable to begin charging.
2. You can use any 5V DC power source, such as a smartphone charger or a computer's USB port. A charger is not included.
3. The red LED will light up during charging. The blue LED will light up when charging is complete.
4. Full charge takes approximately 3 hours.

Low Battery Alert:

When the battery level drops below 30%, the unit will emit beeps every 5 minutes. The battery will deplete in approximately 1 to 1.5 hours after the alert.

Battery Level Check:

Turn on the LX-G16, and it will announce the battery level. To check the battery level at any time, press and hold the Volume Down (-) button for about 1 second. The unit will announce the battery level (e.g., 100%→80%→50%→30%→Low).

Volume Adjustment

Volume Up/Down:

1. Use the Volume Up (+) and Volume Down (-) buttons to adjust the volume. Pressing a button once adjusts the volume by one step. Pressing and holding a button adjusts the volume continuously.
2. Press the Volume Up (+) button to increase volume. Press the Volume Down (-) button to decrease volume.

Note: For the best audio experience when listening to music from a smartphone, ensure the smartphone's volume is also set to maximum.

A beep sound will indicate when the volume reaches its maximum or minimum level.

Note: Volume can be adjusted during music playback, FM radio, intercom calls, and incoming calls.

Playback and Music Sharing

Play/Pause: Press the Power button once to play music. Press it again to pause.

Track Change:

1. While music is playing, press the Volume Up (+) button twice to skip to the next track.
2. While music is playing, press the Volume Down (-) button twice to go back to the previous track.

Note: Ensure your smartphone's volume is also set to maximum for the best music experience.

Music Sharing Function:

The LX-G16 (Unit A) can share music with another LX-G16 (Unit B). To initiate sharing, press Unit A's Power button twice while music is playing. Unit B, in standby mode, can then press its Power button twice to connect to Unit A and play the shared music. Note: Music sharing is only possible between two LX-G16 units (not supported for three or more units).

To End Sharing: Press the Power button twice on either Unit A or Unit B.

Smartphone Interaction

Answering Incoming Calls: Briefly press the Power button when a call comes in to answer.

Auto Answer: If no action is taken, the unit will automatically answer incoming calls after approximately 12 seconds.

Auto Answer On/Off:

1. With the unit powered on, press and hold the Volume Up (+) button for about 5 seconds. Three blue LED flashes indicate auto-answer is enabled.
2. Press and hold the Volume Up (+) button for about 5 seconds. Three red LED flashes indicate auto-answer is disabled.

Ending a Call: Press the Power button once during a call to end it.

Rejecting a Call: Press the Power button twice to reject an incoming call.

Redial: Press the Volume Up (+) button twice to redial the last called number.

Voice Control: While idle, press the Volume Down (-) button twice to activate voice assistants like Siri or Google Assistant.

09 FM Radio, Headlamp, Reset, and Bluetooth Connection

FM Radio

Turning FM Radio On: Press and hold the Power button for approximately 1 second.

Turning FM Radio Off: Press and hold the Power button for approximately 1 second.

Scanning for Stations:

1. Scan Up: Press the Volume Up (+) button twice. You will hear a voice prompt indicating station search is in progress.
2. Scan Down: Press the Volume Down (-) button twice. You will hear a voice prompt indicating station search is in progress.

Saving Stations: With FM radio on, double-click the Power button. A voice prompt will announce the current station is saved. Up to 6 stations can be saved.

Listening to Saved Stations: With FM radio on, click the Power button once to cycle through and listen to the saved stations.

Headlamp

Headlamp On/Off:

1. While idle, press the LED button once to turn the headlamp on.
2. Press the LED button again to turn it off.

Emergency SOS Strobe Mode:

1. Press and hold the LED button for approximately 6 seconds to activate the SOS strobe mode.
2. Press and hold the LED button again to turn off the SOS strobe mode.

Reset

1. Press and hold the Volume Up (+) and Volume Down (-) buttons simultaneously for approximately 1 second to reset the unit.
2. The red LED will flash, indicating that the reset is complete.

Bluetooth Device Connection

Note:

1. One LX-G16 unit can connect to a maximum of two other LX-G16 units and one smartphone simultaneously.
2. After pairing, the LX-G16 will automatically connect when powered on, provided the Bluetooth switch on the paired device is turned on.
3. While idle, press the Power button once to initiate automatic connection.

Smartphone and Navigation Pairing

Smartphone Pairing

1. With the unit powered off, press and hold the Power button for approximately 5 seconds. The LED will flash blue and red, indicating pairing mode.
2. On your smartphone's Bluetooth search screen, select "LX-G16".
3. Pairing will begin. If a PIN is required, enter "0000".
4. Confirm that your smartphone has successfully paired with the LX-G16.

Note: A flashing blue LED indicates successful pairing.

Navigation Pairing

1. With the unit powered off, press and hold the Power button for approximately 5 seconds. The LED will flash blue and red, indicating pairing mode.
2. Follow the pairing instructions in your navigation device's user manual to connect with the LX-G16.
3. Once paired, you can listen to navigation voice guidance through the LX-G16.

Universal Intercom Function

You can pair the LX-G16 with one intercom unit from another brand for communication. Follow these steps for pairing with other intercoms:

1. While idle, press and hold the Intercom button for approximately 1 second. The LED will flash blue and red, indicating pairing mode.
2. Follow the instructions in the other intercom's manual to put it into pairing mode.
3. Press the Intercom button once on the LX-G16. The blue LED will flash rapidly. A slow blue LED flash indicates successful pairing.
4. After pairing, press the Volume Up (+) and Volume Down (-) buttons simultaneously once to initiate a call.
5. To end the call, press the Power button once.

Group Call Function

The LX-G16 supports full-duplex Bluetooth for group calls, enabling communication for up to 4 people simultaneously, or 5 or more people in a separate mode.

Note: It is recommended to reset the unit before pairing. Press and hold the Volume Up (+) and Volume Down (-) buttons simultaneously for about 1 second. The red LED will flash, indicating a reset.

Pairing 4 Units

Follow these steps to connect up to 4 LX-G16 units:

1. Pair Unit 1 and Unit 2 following the procedure in Step 1 (hold Intercom button for ~1 sec).
2. Pair Unit 2 and Unit 3 following the procedure in Step 2 (hold Intercom + Volume Down buttons for ~1 sec).
3. Pair Unit 3 and Unit 4 following the procedure in Step 1 (hold Intercom button for ~1 sec). The LED will flash blue and red.
4. Press the Intercom button once on any unit to automatically search and connect. The blue LED will flash rapidly during connection and flash slowly when pairing is complete.

Diagram Description: Illustrates the sequential pairing process for 4 units, showing button presses and LED indications for each step.

Note: For pairing 2 units, only Step 1 is required. Pairing is complete at this point.

Pairing 3 Units

Follow Step 2 to connect a 3rd LX-G16 unit:

1. Turn on the 3rd LX-G16 unit. Press and hold the Intercom button and Volume Down button simultaneously for about 1 second. The LED will flash blue and red, indicating pairing mode.
2. Press the Intercom button once on either unit to automatically search and connect. The blue LED will flash rapidly during connection and flash slowly when pairing is complete.

Diagram Description: Shows the pairing process for adding a 3rd unit, highlighting button presses and LED status.

Note: For pairing 3 units, only Step 2 is required. Pairing is complete at this point.

Pairing 5 or More Units

To connect 5 or more units (up to 16):

1. Before pairing, set all units to the 5+ person communication mode by pressing and holding the Power button for approximately 8 seconds while idle. You will hear "beep beep" sounds, and the red LED will flash rapidly three times.
2. Pair Unit 1 and Unit 2 as per Step 1.
3. Pair Unit 2 and Unit 3 as per Step 2.
4. Pair Unit 3 and Unit 4 as per Step 1.
5. Pair Unit 4 and Unit 5 by pressing and holding the Intercom button and Volume Down button simultaneously for about 1 second. The LED will flash blue and red.
6. Press the Intercom button once on any unit to automatically search and connect. A slow blue LED flash indicates pairing is complete.

Diagram Description: Illustrates the sequential pairing process for 5 units, showing button presses and LED indications.

Note: For pairing 4 units, only Step 3 is required. Pairing is complete at this point.

2-Way Calls

1. After pairing, press the Intercom button once to initiate a call.
2. Press the Power button once to end the call.
3. To resume a call, press the Intercom button once.

3+ Person Calls

1. After pairing 3 or more units, press the Intercom button once on any unit to join the group call.
2. Pressing the Power button once will cause the person who pressed it to leave the group call. In 5+ person calls, if one person leaves, the group may split into two.
3. If the person who left presses the Intercom button again, they will rejoin the group call, forming a single group again.

Example: If Unit 3 leaves an 8-person group call, the group may split into Unit 1&2 and Units 4-8. Unit 3 will be excluded. If Unit 3 presses the Intercom button again, it will rejoin the 8-person group call.

15 Important Notes and Safety Information

Group Call Notes

• Group connections form a chain. For optimal range, maintain your riding order consistent with the connection sequence.
• You cannot connect to other Bluetooth devices (except smartphones) while in a group call. Connecting to a smartphone will end the group call.

Connection

Connecting to other devices may take a few seconds. You can start calling once the connection is complete.

Call Range

If riders become too far apart during a conversation, you may experience intermittent noise, silence, or connection interruptions. The unit will automatically reconnect when riders are closer.

Battery Protection

To protect the battery, the unit will disconnect when not in use.

Maintenance & Certification

FCC Rules

This product complies with FCC (Federal Communications Commission) rules and has obtained CE marking.

Technical Mark (技適マーク)

This product has obtained the Japanese technical certification mark.

Important Safety Precautions

• Please read the following precautions carefully to ensure safe use of the LX-G16. When using this product on public roads, comply with the ordinances of each prefecture and local government.
• Do not listen at excessively high volumes while riding. This can prevent you from hearing important sounds, potentially leading to serious accidents.
• Do not apply excessive force to the unit. Doing so may cause damage, malfunction, or operational failure.
• Do not disassemble or modify this product. This may cause fire or electric shock.

Troubleshooting

When the LX-G16 Power Does Not Turn On

• Check if the unit's power is turned on.
• Check if the battery is sufficiently charged.
• Check if the red LED lamp is lit during charging.
• Try using a different charging cable, power adapter, and outlet to confirm if charging is possible.
• After charging for 3 hours, check if the blue LED lamp lights up.

When the LX-G16 Does Not Work Well with a Smartphone/Mobile Phone

• Check if the unit's power is turned on.
• Check if the battery is sufficiently charged.
• Check if your smartphone/mobile phone is capable of making calls.
• Check if the Bluetooth function on your smartphone/mobile phone is turned ON.
• Verify that the pairing between the unit and your smartphone/mobile phone was completed successfully.
• Reset the unit and restart your smartphone/mobile phone, then try pairing again by referring to this user manual. (Remove the LX-G16 from your smartphone/mobile phone's Bluetooth device list, turn off Bluetooth, then turn it back on and re-pair.)

When Your Voice Cannot Be Heard by the Other Party

• Check if the speaker microphone is securely plugged in.
• Ensure the microphone part is firmly attached to the helmet.
• Check that the microphone's sound collection hole is facing your mouth.
• Try swapping with the other included microphone to see if the audio is transmitted.

Warranty

Product Information

• Product Name: LX-G16
• Warranty Period: 1 year for the intercom unit, 6 months for the speaker microphone from the date of purchase.
• Place of Purchase: [Space for Purchase Store Name]
• Customer Name: [Space for Customer Name]
• Customer Address: [Space for Customer Address]
• Date of Purchase: [Space for Date of Purchase]

Warranty Terms

• This product is covered by a one-year warranty from the date of purchase. LEXIN will provide free repair or replacement for manufacturing defects or material failures within this period, at our discretion.
• However, the warranty does not cover failures resulting from misuse, accidents, unauthorized repairs or modifications, or natural disasters.
• Speaker microphones and other accessories are consumables. Their warranty period is 6 months. Loss, damage, or connection issues occurring during use, even within the warranty period, are not covered.
• LEXIN is not liable for any direct or indirect damages, including but not limited to accidents, injuries, loss of time, inconvenience, loss of profit, or incidental expenses.
• Significant external damage, such as cracks or major abrasions on the unit, will void the warranty.
• For warranty repairs, please email our support team at [Returns/Exchanges Contact Email].
• Paid repairs may be necessary even within the warranty period under certain circumstances.
• Damage caused by water ingress is not covered under warranty.

Firmware Update & Returns/Exchanges

Firmware Update

The latest firmware can be downloaded from the FIRMWARE UPDATES section on our support page. Visit: http://lexinjapan.com/support/

Returns and Exchanges

For warranty repairs or exchanges, please email us at the address provided below. When contacting us, please provide the following information:

• Product Name
• Serial Number
• Place of Purchase, Date of Purchase, and Proof of Purchase (Warranty Card)
• Description of the Fault
• Your Name
• Your Address
• Contact Information

Contact Information for Returns/Exchanges:

If you experience an initial defect or a malfunction within the warranty period, please contact your purchasing store or the email addresses above. Please provide the required information when contacting us.