Sena SRL-MESH Bluetooth Communication System User Manual

1. Introduction

Thank you for choosing the Sena SRL-MESH Bluetooth Communication System. This system is specifically engineered to integrate seamlessly with SHOEI Neotec 2, SHOEI GT-Air 2, and SHOEI J-Cruise 2 helmets, providing an advanced communication solution that is virtually undetectable from the helmet's exterior. The SRL-MESH enhances your riding experience with Mesh Intercom technology, high-quality audio from SOUND BY Harman Kardon, and comprehensive smartphone connectivity.

This manual provides essential information for the proper installation, operation, and maintenance of your SRL-MESH system. Please read it thoroughly before use to ensure optimal performance and safety.

2. Product Overview

The SRL-MESH is a state-of-the-art communication system designed for motorcycle riders. It offers robust connectivity and superior audio quality, making group rides and solo journeys more enjoyable and connected.

Figure 2.1: Complete Sena SRL-MESH system components, including speakers, microphone, and main unit.

Figure 2.2: Front and rear views of the compact SRL-MESH main unit, highlighting its sleek design and branding.

Key Features:

• Mesh Intercom: Advanced mesh networking for stable and reliable group communication.
• 4-way Bluetooth Intercom: Connect with up to four riders via traditional Bluetooth intercom.
• SOUND BY Harman Kardon: Premium speakers and microphone for crystal-clear audio and voice transmission.
• Smartphone Connectivity: Seamlessly connect to your smartphone for music streaming, GPS navigation, and phone calls via Bluetooth 5.
• Custom Fit: Designed to fit perfectly within the internal recesses of compatible SHOEI helmets, maintaining the helmet's aerodynamic profile.

3. Package Contents

Your Sena SRL-MESH package includes the following components:

• SRL-MESH Headset Unit (Main Module, Speakers, Microphone)
• USB Type-C Cable (for charging and firmware updates)
• Mounting Accessories (specific to SHOEI helmet models)
• User Manual (this document)

4. Setup & Installation

The SRL-MESH is designed for integrated installation within specific SHOEI helmet models. For detailed, step-by-step installation instructions, it is highly recommended to refer to the official Sena installation videos available on the Sena website or authorized channels. These videos provide visual guidance for precise placement of components within your helmet.

4.1 Helmet Compatibility

This system is exclusively compatible with the following SHOEI helmet models:

• SHOEI Neotec 2
• SHOEI GT-Air 2
• SHOEI J-Cruise 2

4.2 Installation Steps (General Overview)

1. Prepare Helmet: Carefully remove the helmet's interior padding and cheek pads as instructed by SHOEI's helmet manual or Sena's installation guide.
2. Mount Main Unit: Position the SRL-MESH main unit into the designated recess on the side of the helmet. Ensure it clicks securely into place.
3. Install Speakers: Place the speakers into the ear pockets within the helmet. Ensure they are centered over your ears for optimal audio quality.
4. Route Microphone: Route the microphone boom or wired microphone (depending on helmet type) to the appropriate position near your mouth. Secure all wires neatly within the helmet's channels.
5. Reassemble Helmet: Carefully reinsert the helmet's interior padding and cheek pads, ensuring no wires are pinched.

Figure 4.1: Integrated Sena SRL-MESH unit on a SHOEI helmet, showing its low-profile design.

Figure 4.2: Detailed view of the Sena control unit seamlessly integrated into the helmet's shell.

Figure 4.3: Detailed view of the Harman Kardon speaker unit's integration point on the helmet.

5. Operating Instructions

5.1 Power On/Off

• Power On: Press and hold the Center Button and (+) Button for 1 second.
• Power Off: Tap the Center Button and (+) Button simultaneously.

5.2 Volume Control

• Volume Up: Tap the (+) Button.
• Volume Down: Tap the (-) Button.

5.3 Bluetooth Pairing (Smartphone)

1. With the SRL-MESH powered off, press and hold the Center Button for 5 seconds until you hear "Phone pairing".
2. On your smartphone, enable Bluetooth and select "Sena SRL-MESH" from the list of available devices.
3. Once paired, you will hear "Your headset is paired".

5.4 Mesh Intercom

Mesh Intercom allows for a more flexible and robust group communication experience.

• Mesh Intercom On/Off: Tap the Mesh Intercom Button. You will hear "Mesh Intercom On" or "Mesh Intercom Off".
• Group Mesh: Create private groups for communication. Refer to the full Sena user guide for detailed instructions on creating and joining Mesh groups.

5.5 Bluetooth Intercom (4-way)

The SRL-MESH supports traditional Bluetooth intercom connections with up to three other Sena headsets.

• Pairing with another Sena Headset: Refer to the full Sena user guide for universal intercom pairing instructions.
• Start/End Intercom: Tap the Center Button to start or end an intercom conversation.

5.6 Music and GPS

• Play/Pause Music: Press and hold the Center Button for 1 second.
• Next Track: Press and hold the (+) Button for 1 second.
• Previous Track: Press and hold the (-) Button for 1 second.
• GPS Navigation: Once paired with your smartphone, GPS voice prompts will be heard through the headset.

5.7 Phone Calls

• Answer Call: Tap the Center Button.
• End Call: Press and hold the Center Button for 2 seconds.
• Reject Call: Press and hold the Center Button for 2 seconds when a call is incoming.
• Voice Dial: Press and hold the Center Button for 3 seconds to activate your phone's voice assistant (Siri, Google Assistant).

6. Maintenance

6.1 Cleaning

Regular cleaning helps maintain the performance and longevity of your SRL-MESH system.

• Wipe the exterior of the unit with a soft, damp cloth.
• Do not use harsh chemicals or abrasive cleaners.
• Ensure the charging port is free of dust and debris.

6.2 Firmware Updates

Sena regularly releases firmware updates to improve performance, add new features, and fix bugs. It is highly recommended to keep your SRL-MESH firmware up to date.

• Download the Sena Device Manager software from the official Sena website.
• Connect your SRL-MESH unit to your computer using the provided USB Type-C cable.
• Follow the on-screen instructions in the Sena Device Manager to check for and install the latest firmware.

7. Troubleshooting

7.1 No Power / Not Charging

• Ensure the USB Type-C cable is securely connected to both the unit and a power source.
• Try a different USB port or power adapter.
• Check if the charging indicator light is active.

7.2 No Audio / Poor Audio Quality

• Verify that the speakers are correctly positioned over your ears within the helmet.
• Check the volume level on both the SRL-MESH and your connected device.
• Ensure the microphone is properly positioned and not obstructed.
• Perform a factory reset (refer to the full user guide for instructions).
• Update firmware to the latest version.

7.3 Intercom Connection Issues

• Ensure all units are within the specified intercom range.
• Check that all units are in the correct intercom mode (Mesh or Bluetooth).
• Try re-pairing the units.
• Perform a factory reset on all involved units.

7.4 Unit Freezing / Unresponsive

• Perform a soft reset by inserting a paperclip into the pinhole reset button (if available, consult full manual).
• If unresponsive, allow the battery to fully drain and then recharge.

8. Specifications

9. Warranty & Support

For detailed warranty information, please refer to the warranty card included with your product or visit the official Sena website. Sena provides customer support and technical assistance for its products.

• Online Support: Visit the Sena website for FAQs, troubleshooting guides, and firmware downloads.
• Contact Support: Refer to the Sena website for contact information for your region.

10. Safety Information

Legal Disclaimer: This item complies with US Federal Motor Vehicle Safety Standard 218 (FMVSS 218) (DOT FMVSS No. 218 Certified).

Always prioritize safety while riding. Do not operate the device in a manner that distracts you from the road or traffic conditions. Ensure all components are securely installed before riding.