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Varia
eRTL615
Owner's Manual

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Table of Contents
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Summary of Contents for Garmin Varia eRTL615

  • Page 1 Varia eRTL615 ™ Owner’s Manual...
  • Page 2 © 2023 Garmin Ltd. or its subsidiaries All rights reserved. Under the copyright laws, this manual may not be copied, in whole or in part, without the written consent of Garmin. Garmin reserves the right to change or improve its products and to make changes in the content of this manual without obligation to notify any person or organization of such changes or improvements. Go to www.garmin.com...
  • Page 3: Table Of Contents

    Table of Contents Pairing the Varia eRTL615 with a Compatible Edge Bike Computer..12 Pairing the Radar Device with a Introduction........1 Compatible Garmin Watch....13 Getting Started........1 Tips for Installing the Device....1 Device Information......13 Installing the Device on a Seat Device Care..........
  • Page 5: Introduction

    Tips for Installing the Device The Varia eRTL615 includes a tail light and micro radar that can detect approaching vehicles up to 140 meters away. • Select a secure location to mount the device where it does not interfere with the safe operation of your bike.
  • Page 6: Installing The Device On A Seat Mount

    Installing the Device on a Seat Mount Before you can install the Varia eRTL615 tail light, you need 3 mm and 4 mm hex keys and a cable to connect your device. 1 Attach the friction flange adapter to your Varia eRTL615 tail light using two M4 screws.
  • Page 7: Installing The Device On A Rear Rack

    11 Secure the cable so that it does not interfere with any moving parts of the bike. Installing the Device on a Rear Rack Before you can install the Varia eRTL615 tail light, you need 3 mm and 4 mm hex keys and a cable to connect your device.
  • Page 8: Device Overview

    6 If you are not using a friction flange adapter, align the holes in the rear rack of your bike with the holes on the back of your Varia eRTL615 tail light. 7 Using a 3 mm hex key, tighten the two M4 screws to 1 N-m (9 lbf-in.).
  • Page 9: Varia Ertl615 Status Led

    The device was unable to apply a firmware update. Solid red An error occurred. You may need to restart the device. Tail Light Modes and Intensity You can switch the Varia eRTL615 tail light modes by pressing the button (Device Overview, page 4). Mode...
  • Page 10: Pairing The Varia Ertl615 With Your Edge 1040

    Pairing the Varia eRTL615 with Your Edge 1040 The first time you connect the Varia eRTL615 to your Edge 1040, you must pair both devices using ANT+ ® technology. After the initial pairing, the Edge device automatically connects to the radar device when you start your activity and the radar device is active and within range.
  • Page 11: Viewing Widgets

    The next time you swipe down to view the widgets, the last widget you viewed appears. Customizing the Varia Device Settings with Your Edge 1040 Before you can customize Varia eRTL615 settings with your Edge 1040, you must pair the devices. 1 Select >...
  • Page 12: Customizing The Radar Alert Settings With Your Edge 1040

    Pairing the Varia eRTL615 with Your Phone The first time you connect the Varia eRTL615 to the Varia app on your phone, you must pair both devices. After the initial pairing, the Varia app automatically connects to the Varia eRTL615 when you open the app and the radar device is active and within range.
  • Page 13: Viewing Radar On The Varia App

    1 From the Varia app, select 2 Select Sounds & Alerts. 3 Select an option. The Varia eRTL615 and Your Radar Display Unit You can display radar data using the compatible rear display unit (RDU). The Varia eRTL615 and Your Radar Display Unit...
  • Page 14: Varia Rdu Overview

    Amber indicates a vehicle is approaching. Red indicates Threat level LED a vehicle is advancing at a high rate of speed. Moves up the column as the vehicle gets closer to your bike. Vehicle position LEDs The Varia eRTL615 and Your Radar Display Unit...
  • Page 15: Installing The Varia Rdu

    2 Turn on the radar device. 3 Bring the devices within 1 cm of each other, and wait while the devices connect. The Varia RDU LED turns solid blue and the threat level LED turns solid green. The Varia eRTL615 and Your Radar Display Unit...
  • Page 16: Turning On The Varia Rdu

    3 From the Sensors menu, select Add Sensor > Search All. 4 While the Varia eRTL615 is turned off, hold the device button for 4 seconds to enter pairing mode. The status LED flashes purple, and the radar tail light turns on. The radar tail light is in pairing mode for 5 minutes or until you hold the device button for 2 seconds to exit pairing mode.
  • Page 17: Pairing The Radar Device With A Compatible Garmin Watch

    3 From the Settings menu, select Sensors & Accessories > Add New > Search All. 4 While the Varia eRTL615 device is turned off, hold the device button for 4 seconds to enter pairing mode. The status LED flashes purple, and the tail light turns on. The device is in pairing mode for 5 minutes or until you hold the device button for 2 seconds to exit pairing mode.
  • Page 18: Specifications

    This provides easy access to these services for Garmin devices: • Software updates • Product registration The device withstands incidental exposure to water of up to 1 m for up to 30 min. For more information, go to www.garmin.com/waterrating. The device will not work with AC power cables. Troubleshooting...
  • Page 19: The Radar Device Is Not Responding

    • If your devices are already paired, turn Bluetooth off on both devices, and turn it back on. • If your devices are already paired, remove the Varia eRTL615 from the Bluetooth settings on your phone, and pair the devices again.
  • Page 20: The Status Led Turns Red While Plugged Into A Power Source

    The radar device disconnects from the Edge bike computer WARNING If the radar device is not connected or sending radar data, Garmin recommends that you stop riding and check the devices in a safe location. Failure to do so could result in serious injury or death.
  • Page 22 April 2023 GUID-FE2B50F1-79E3-4F6F-85B9-C3E5D5E56D92 v1...

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