SRL–EXT
MOTORCYCLE MESH & BLUETOOTH ®
COMMUNICATION SYSTEM FOR SHOEI HELMETS
QUICK START GUIDE
Downloadable Sena Software
Download the SENA MOTORCYCLES App on Google Play Store or App Store.
SENA MOTORCYCLES
- Device Configuration Setting
Download the following items at sena.com.
Firmware
Sena Device Manager
- Firmware upgrade
- Device configuration setting
Quick Start Guide, User’s Guide
Follow us on Facebook, YouTube, Twitter, and Instagram to check the latest information and helpful tips.
Product Details
Installation
The SHOEI’s RF-1400 Helmet is compatible with the SRL-EXT.
The model name of the RF-1400 Helmet varies depending on the region.
- RF1400(US), NXR 2(EU), Z-8(JP)
- For more information about installation, refer to the User’s Guide.
 |  |
 |  |
Mesh Intercom Antenna
Pull the Mesh Intercom Antenna inwards slightly to unfold it.
Icon Legend
Tap the button the specified number of times
Press and Hold button for the specified amount of time
“Hello” Audible prompt
Basic Operations
Checking the Battery Level
Phone Pairing
③ Select SRL-EXT in the list of Bluetooth devices detected.
- For more information on phone pairing, refer to the User’s Guide.
Using the Phone
Siri and Google Assistant
Activate the Siri or Google Assistant Installed on Your Phone
Music Control
Mesh Intercom™
Open Mesh™: communication within the same channel.
Group Mesh™: communication within the same private group.
- For more information on Mesh Intercom, refer to the User’s Guide.
Note: When Mesh Intercom is on, the SRL-EXT will automatically connect to nearby SRL-EXT users and the headset will be in Open Mesh (default: channel 1) initially.
Open Mesh
Channel Setting (Default: channel 1) in Open Mesh
- Enter into the Channel Setting.
- Navigate between channels.
- Save the channel.
Note: You can use the SENA MOTORCYCLES App to change the channel.
Group Mesh
Group Mesh is a closed group intercom function that allows users to join, leave, or rejoin a group intercom conversation without pairing each headset.
- Creating a Group Mesh
Creating a Group Mesh requires two or more Open Mesh users.
- Users (You, B, and C) enter into Mesh Grouping to create a Group Mesh.
- When Mesh Grouping is completed, the users (You, B and C) will hear a voice prompt on their headsets as Open Mesh switches to Group Mesh.
2) Joining an Existing Group Mesh
One of the current users in an Existing Group Mesh can allow new users (one or more) in Open Mesh to join the Existing Group Mesh. 
- One (You) of the current users in the Existing Group Mesh and new users (D and F) in Open Mesh enter into Mesh Grouping to join the Existing Group Mesh.
- When Mesh Grouping is completed, the new users (D and F) will hear a voice prompt on their headsets as Open Mesh switches to Group Mesh.
Enable/Disable Mic (Default: Enable)
Users can enable/disable the microphone when communicating in a Mesh Intercom.
Reset Mesh
If the headset in an Open Mesh or Group Mesh resets the Mesh, it will automatically return to Open Mesh (default: channel 1).
Bluetooth Intercom
Up to three other people can be paired with the headset for Bluetooth intercom conversations.
Intercom Pairing
There are two ways to pair the headset.
Using the Smart Intercom Pairing (SIP)
SIP allows you to quickly pair with your friends for intercom communication by scanning the QR code on the SENA MOTORCYCLES App without remembering the button operation.
- Pair the mobile phone with the headset.
- Open the SENA MOTORCYCLES App and tap
(Smart Intercom Pairing Menu). - Scan the QR code displayed on your friend (B)’s a mobile phone.
• Your friend (B) can display the QR code on the mobile phone by tapping > QR code (
) on the SENA MOTORCYCLES App.
- Tap Save and check that your friend (B) is paired with you (A) correctly.
- Tap Scan (
) and repeat steps 3-4 to pair with Intercom Friends (C) and (D).
Note: The Smart Intercom Pairing (SIP) is not compatible with Sena products that use Bluetooth 3.0 or below.
Using the Button
- Users (You, B) enter into Intercom Pairing.
- The two headsets (A and B) will be automatically paired.
- Repeat the steps above to pair with other headsets (C and D).
Last-Come, First-Served
If the headset has multiple paired headsets for intercom conversations, the last paired headset is set as the First Intercom Friend.
Two-way Intercom
Start/End Conversation with the First Intercom Friend D
Start/End Conversation with the Second Intercom Friend C
Start/End Conversation with the Third Intercom Friend B
FM Radio
Note: You can also save the current station from the SENA MOTORCYCLES App.
Accessing the Configuration Menu
Troubleshooting
Fault Reset
Note: Fault Reset will not restore the headset to factory default settings.
Quick Reference
| TYPE | OPERATION | BUTTON COMMANDS |
 | Power on / Power off |  |
 | Volume up / Volume down |  |
| Answer phone call |  | |
| End phone call |  | |
| Reject phone call |  | |
 | Activate the Siri or Google Assistant |  |
 | Mesh Intercom on/off |  |
| Channel setting |  | |
| Mesh Grouping |  | |
| Reset Mesh |  | |
| Enable/Disable Mic |  | |
 | Intercom pairing |  |
| Start/End intercom |  | |
 | Play/Pause music |  |
| Track forward |  | |
| Track backward |  | |
 | FM radio on/off | |
| Select preset |  | |
| Seek forward/backward |  | |
| Scan up FM band/ stop scanning | |
SENA Technologies, Inc.
Customer Support: sena.com
Documents / Resources
 | SENA SRL-EXT Motorcycle MESH and Bluetooth Communication System [pdf] User Guide Bluetooth Communication System for Shoei Helmets, SRL-EXT Motorcycle MESH and Bluetooth Communication System, SRL-EXT, Motorcycle MESH and Bluetooth Communication System, Shoei Helmets Bluetooth Communication System, Communication System, Bluetooth Communication System, Helmet Communication System, Helmet Bluetooth |
