Pairing and Setup

Connection Types and LED Behavior

The HRM 600 supports both secure and open connections types.

Secure

The secure Bluetooth® connection type is encrypted and authenticated. For a list of Garmin® devices that support forming secure connections, go to garmin.com/hrm_connection_types. Some Garmin devices may require a software update.

When the HRM 600 is active and using a secure connection, the LED flashes Green Green (2 times) every 5 seconds.

Open

The open connection type supports all Garmin devices that are compatible with heart rate monitors. ANT‍+® connections and some Bluetooth connections are open. The open connection type is also recommended for Bluetooth pairing with third-party smartwatches, tablets, or fitness equipment.

When the HRM 600 is active and using an open connection, the LED flashes Green Green Green (3 times) every 5 seconds.

TIP: Stay 10 m (33 ft.) away from other heart rate monitors while pairing.

Pairing the HRM 600 with Your Compatible Device

You can pair the HRM 600 to your compatible Garmin device, smartwatch, tablet, or fitness equipment (Connection Types and LED Behavior).

  1. On the HRM 600 module, press the button Callout number 1 to wake it up.

    Device with glyphs

    The LED Callout number 2 flashes Green Green when it is active and using a secure connection.

  2. Check that your Garmin device supports the connection type indicated by the LED.

    You can press the button twice quickly to toggle between connection types (Connection Types and LED Behavior). The LED flashes Green Green Green when it is active and using an open connection.

    TIP: Many compatible devices and apps use the open connection.
  3. Hold the button for 4 seconds to enter pairing mode.

    Device with wireless symbols and arrows

    The LED flashes Purple continuously.

    The HRM 600 is in pairing mode for 5 minutes.

    To end pairing mode, you can press the button.

  4. Select an option:
    • From your Garmin device, open the sensors menu to add the external heart rate sensor.

      NOTE: The pairing instructions differ for each Garmin compatible device. See your owner's manual.
    • From your third-party device, open the Bluetooth settings.

      The HRM 600 should appear in the list of available devices.

  5. Select the HRM 600.

After you pair the first time, your device automatically recognizes the HRM 600 each time it is active and in range.

Pairing the HRM 600 with the Garmin Connect App

The Garmin Connect™ app allows you to customize settings, receive software updates, and record and sync activities using your HRM 600 without connecting it to a smartwatch or bike computer.

  1. On the HRM 600 module, press the button Callout number 1 to wake it up.

    Device with glyphs

    The LED Callout number 2 flashes Green when it is active and transmitting.

  2. From the app store on your phone, install and open the Garmin Connect app.
  3. Hold the button for 4 seconds to enter pairing mode.

    Device with wireless symbols and arrows

    The LED flashes Purple continuously.

    The HRM 600 is in pairing mode for 5 minutes.

    To end pairing mode, you can press the button.

  4. Select an option to add your HRM 600 to your Garmin Connect account:
    • If this is the first time you are pairing a device with the Garmin Connect app, follow the on-screen instructions.

    • If you have already paired another device with the Garmin Connect app, select Menu symbol > Garmin Devices > Add Device, and follow the on-screen instructions.

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May 2025