Sena S1 User Manual

Smart road cycling helmet
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USER GUIDE
Firmware Version: 1.2.x
Last updated on Jan 16, 2025
S1
SMART ROAD CYCLING HELMET
The firmware version 1.2.x indicates that this manual is applicable to
all firmware updates within the version 1.2 series.

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Summary of Contents for Sena S1

  • Page 1 USER GUIDE Firmware Version: 1.2.x Last updated on Jan 16, 2025 SMART ROAD CYCLING HELMET The firmware version 1.2.x indicates that this manual is applicable to all firmware updates within the version 1.2 series.
  • Page 2: Quick Reference

    MENU QUICK REFERENCE : (+) button : (−) button : Taillight button : Multi-function button Type Operation Button Duration Power on & Press for 1 second Power off & Single tap Basic operations Volume up/down Single tap Taillight on/off Single tap Phone pairing Press for 5 seconds Answer phone call...
  • Page 3: Before Getting Started

    MENU BEFORE GETTING STARTED Sena Cycling App Download the Sena Cycling app from the Google Play Store or the App Store.
  • Page 4 CLICK ANY SECTION TO BEGIN ABOUT THE S1 BASIC OPERATION MESH INTERCOM USING WITH A FIRMWARE UPDATE TROUBLESHOOTING SMARTPHONE...
  • Page 5: Key Features

    MENU ABOUT THE S1 Key Features • Mesh Intercom 3.0 - delivers improved sound quality, a more robust connection, and extended talk time • LED taillight • Advanced Noise Control™ • Bluetooth version 5.2 ® • Over-the-Air (OTA) firmware update ① (+) button...
  • Page 6: Package Contents

    MENU Package Contents Extra thin inner liner USB-C charging cable...
  • Page 7: Basic Operation

    Charging port It takes 2.5 hours to fully charge. • The S1 automatically powers off during charging for safety reasons. • Any third-party USB charger can be used, as long as it is approved by the FCC, CE, IC, or other locally recognized regulatory agencies.
  • Page 8 MENU Power On Power Off Volume Taillight On/Off On: "Lights On" Off: "Lights Off" The taillight can be customized through the Sena Cycling app. The brake light activates automatically when braking is detected.
  • Page 9: Mesh Intercom

    Switch to Mesh 2.0 for Backward Compatibility Mesh 3.0 is the latest Mesh Intercom technology, but to communicate with legacy products using Mesh 2.0, please switch to Mesh 2.0 using the Sena Cycling app. Mesh Intercom On/Off 1Off: "Mesh intercom off"...
  • Page 10: Channel Selection

    3. Confirm and save the channel. "Channel is set, channel #" • The channel will be automatically saved if no buttons are pressed for 10 seconds on a specific channel. • The channel will be saved even if the S1 is turned off.
  • Page 11: Using With A Smartphone

    USING WITH A SMARTPHONE Phone Pairing "Phone pairing" • When you turn on the S1 for the first time or reboot it after a factory reset, the S1 will automatically enter phone pairing mode. • To cancel phone pairing, press any button.
  • Page 12: Speed Dial

    MENU Reject a Call Activate Voice Assistant Speed Dial Assign Speed Dial Presets Speed dial presets can be assigned using the Sena Cycling app. Use Speed Dial Presets 1. Enter into the speed dial 2. Navigate forward or backward menu.
  • Page 13: Firmware Update

    MENU 3. Tap the multi-function button to confirm. "Speed dial(#)" Music Play/Pause Music Track Forward/Backward FIRMWARE UPDATE You can update the firmware via Over-the-Air (OTA) directly from the settings in the Sena Cycling app.
  • Page 14: Troubleshooting

    MENU TROUBLESHOOTING Factory Reset To restore the S1 to its factory default settings, simply use the factory reset feature. "Headset reset, good-bye" Fault Reset If the S1 is on but not responding, you can perform a fault reset to restore normal functionality.
  • Page 15 © 1998–2025 Sena Technologies, Inc. All rights reserved. Sena Technologies, Inc. reserves the right to make any changes and improvements to its product without providing prior notice. Sena™ is a trademark of Sena Technologies, Inc. or its subsidiaries in the USA and other countries. The Bluetooth word mark and logos are owned by the Bluetooth SIG, Inc.

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