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Light Mode Settings

From the Sensors menu, select Lights > Network Options > Light Mode.
Auto: Automatically adjusts the light intensity and light mode based on the ambient light and time of day.
High Visibility: Sets the light intensity to flash mode or the brightest setting available.
Trail: Automatically adjusts the light intensity and light mode based on the ambient light and time of day. This 

mode is recommended for mountain biking.

Individual: Allows you to customize the light intensity and pattern mode for each light in your network (

Light 

Network Settings, page 7

).

Customizing the Radar Alert Settings with Your Edge 1040

Before you can customize the radar alert settings with your Edge 1040, you must pair the devices.
You can customize how the radar alerts sound and display on your Edge 1040.
From your Edge 1040, select 

 > Sensors.

Select your Varia eRTL615.
Select Sensor Details > Alert Settings.
Select an option.

The Varia eRTL615 and the Varia App

The Varia app connects to your Varia eRTL615 using Bluetooth

®

 technology. The app displays radar information 

and settings.
• After pairing, the app displays a colored banner indicating the threat level posed by approaching vehicles.
• You can enable phone vibration alerts so you can monitor those alerts while your phone is in your pocket, 

instead of mounted on the handlebar.

You can download the Varia app from the app store on your phone.

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.
Bring your phone within range (0.5 m) of the Varia eRTL615.

NOTE: Stay 10 m away from other Bluetooth sensors while pairing.

On your compatible phone, enable Bluetooth technology.
From the app store on your phone, install and open the Varia app.
Select Pair Now.
While the Varia eRTL615 is turned off, hold the device button for 4 seconds to enter pairing mode.

The device 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.

Select That's Mine.
When the Varia eRTL615 is paired with your phone, the app displays the current radar status.

8

The Varia eRTL615 and the Varia App

Summary of Contents for Varia eRTL615

Page 1: ...Varia eRTL615 Owner sManual...

Page 2: ...o ANT Edge f nix Forerunner Venu and v voactive are trademarks of Garmin Ltd or its subsidiaries registered in the USA and other countries Garmin Connect Garmin Express and Varia are trademarks of Gar...

Page 3: ...Radar Display Unit 9 Varia RDU Overview 10 Installing the Varia RDU 11 Pairing the Radar Device with the Varia RDU 11 Turning On the Varia RDU 12 Turning Off the Varia RDU and Radar Device 12 Other Co...

Page 4: ......

Page 5: ...evices The Varia eRTL615 and Your Edge 1040 page 5 If you are using your phone download the Garmin Varia app to your phone and pair the devices Pairing the Varia eRTL615 with Your Phone page 8 If you...

Page 6: ...your seat attach the extender to the friction flange adapter using an M5 screw 4 Align the hole in the friction flange adapter or the extender with the hole in the center of the seat mount bracket 5...

Page 7: ...your device 1 Complete the required steps based on the configuration of your rear rack If the rear rack can accommodate the friction flange adapter complete steps 2 through 5 If the device can be atta...

Page 8: ...devices 9 Secure the cable so that it does not interfere with any moving parts of the bike Device Overview Device button Press to change device and light modes Hold for 1 second to turn the device on...

Page 9: ...y Default Flash Behavior Function Solid default High None The tail light is on and the device detects vehicles Peloton group ride Moderate None The tail light flashes softly when the device detects ve...

Page 10: ...econds to exit pairing mode 5 Select your sensor and select Add When the sensor is paired with your Edge 1040 the sensor status is Connected The radar and bike light status icons appear solid on the t...

Page 11: ...ct Network Options Test Lights to verify that each light in your network is set up correctly Testing the Light Network page 7 Select a light to view device information and customize each light in your...

Page 12: ...he app displays a colored banner indicating the threat level posed by approaching vehicles You can enable phone vibration alerts so you can monitor those alerts while your phone is in your pocket inst...

Page 13: ...e vehicle also indicates the threat level A straight line changes to jagged with a red threat level Customizing the Varia App Alert Settings Before you can customize the radar alert settings with the...

Page 14: ...the device is searching for the radar device FRONT and REAR device status LEDs Appears solid red when there is a device error Threat level LED Changes color based on the potential level of threat Gre...

Page 15: ...place 3 Place the bike mount on the bike stem 4 Attach the bike mount securely using the two bands 5 Align the tabs on the back of the device with the bike mount notches 6 Press down slightly and turn...

Page 16: ...at the same time Hold the device button on the Varia RDU for 1 second Other Compatible Devices Pairing the Varia eRTL615 with a Compatible Edge Bike Computer This task is for the Edge 1040 830 and 53...

Page 17: ...cleaners solvents sunscreen and insect repellents that can damage plastic components and finishes Secure the weather cap tightly to prevent damage to the USB port Avoid extreme shock and harsh treatme...

Page 18: ...e range From 20 to 60 C from 4 to 140 F Charging temperature range From 0 to 45 C from 32 to 113 F Wireless frequency 2 4 GHz ANT 0 dBm nominal Water rating IEC 60529 IPX71 Troubleshooting Resetting t...

Page 19: ...tooth 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 If your devices are not p...

Page 20: ...ia app 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 injur...

Page 21: ......

Page 22: ...support garmin com GUID FE2B50F1 79E3 4F6F 85B9 C3E5D5E56D92 v1 April 2023...

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