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Pairing

Before taking a new Bluetooth Smart ® heart rate sensor or mobile device (smartphone, tablet) into use, it has to be paired with your M400. Pairing only takes a few seconds, and ensures that your M400 receives signals from your sensors and devices only, and allows disturbance-free training in a group. Before entering an event or race, make sure that you do the pairing at home to prevent interference due to data transmission.

Pair a Heart Rate Sensor with M400

There are two ways to pair a heart rate sensor with your M400:

  1. Wear your heart rate sensor, and press START in time view to enter pre-training mode.
  2. To pair, touch your device with M400 is displayed. Touch your heart rate sensor with M400, and wait for it to be found.
  3. The device ID Pair Polar H7 xxxxxxxx is displayed. Choose Yes.
  4. Pairing completed is shown when you are done.

or

  1. Wear your heart rate sensor. On M400, go to General Settings > Pair and sync > Pair other device and press START.
  2. M400 starts searching for your heart rate sensor.
  3. Once the heart rate sensor is found, the device ID Polar H7 xxxxxxxx is displayed.
  4. Press START, Pairing is displayed.
  5. Pairing completed is displayed when you are done.

Pair a Stride Sensor with M400

Make sure the stride sensor has been correctly attached to your shoe. For more information on setting up the stride sensor refer to the user manual of the stride sensor.

There are two ways to pair a stride sensor with your M400:

  1. Press START in time view to enter pre-training mode.
  2. Touch your stride sensor with M400, and wait for it to be found.
  3. The device ID Pair Polar RUN xxxxxxxx is displayed. Choose Yes.
  4. Pairing completed is shown when you are done.

or

  1. Go to General Settings > Pair and sync > Pair other device and press START.
  2. M400 starts searching for your stride sensor.
  3. Once the stride sensor is found, Polar RUN xxxxxxxx is displayed.
  4. Press START, Pairing is displayed.
  5. Pairing completed is displayed when you are done.

For more information, see Polar Stride sensor Bluetooth Smart.

Pair a Mobile Device with M400

Before pairing a mobile device

  • do the setup at flow.polar.com/start as described in chapter Set up your M400
  • download Flow app from the App Store
  • make sure your mobile device has Bluetooth turned on, and airplane mode/flight mode is not turned on.

To pair a mobile device:

  1. On your mobile device, open Flow app and sign in with your Polar account, which you have created when setting up your M400.
  2. Wait for the Connect product view to appear on your mobile device (Waiting for M400 is displayed).
  3. In M400 time mode, press and hold BACK.
  4. Connecting to device is displayed, followed by Connecting to app.
  5. Accept the Bluetooth pairing request on your mobile device and type in the pin code shown on your M400.
  6. Pairing completed is displayed when you are done.

or

  1. On your mobile device, open Flow app and sign in with your Polar account.
  2. Wait for the Connect product view to appear on your mobile device (Waiting for M400) is displayed.
  3. On M400, go to Settings > General settings > Pair and sync > Pair and sync mobile device and press START
  4. Confirm from other device pin xxxxxx is displayed on your M400. Enter the pin code from the M400 on the mobile device. The pairing starts.
  5. Pairing completed is displayed when you are done.

Pair Polar Balance Scale with M400

There are two ways to pair a Polar Balance scale with your M400:

  1. Step on the scale. The display shows your weight.
  2. After a beep sound, the Bluetooth icon on the scale display starts flashing, which means that the connection is now on. The scale is ready to be paired with your M400.
  3. Press and hold the BACK button for 2 seconds on your M400 and wait until the display indicates the pairing is complete.

or

  1. Go to General Settings > Pair and sync > Pair other device and press START.
  2. M400 starts searching for your scale.
  3. Step on the scale. The display shows your weight.
  4. Once the scale is found, the device ID Polar scale xxxxxxxx is displayed on your M400.
  5. Press START, Pairing is displayed.
  6. Pairing completed is shown when you are done.

The scale can be paired with 7 different Polar devices. When the number of paired devices exceeds 7, the first pairing will be removed and replaced.

Delete a Pairing

To delete a pairing with a sensor or mobile device:

  1. Go to Settings > General settings > Pair and sync > Paired devices and press START.
  2. Choose the device you want to remove from the list and press START.
  3. Delete pairing? is displayed, choose Yes and press START.
  4. Pairing deleted is displayed when you are done.