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During training

Browse the training views

During training you can browse through the training views with UP/DOWN. Note that the available training views and data shown depend on the sport you've chosen. You can define specific settings for each sport profile in the Polar Flow app and web service, such as create tailored training views. For more information, see Sport profiles in Flow.

Mark a lap

Press START to mark a lap. Laps can also be taken automatically. In sport profile settings, set Automatic lap to Lap distance or Lap duration. If you choose Lap distance, set the distance after which each lap is taken. If you choose Lap duration, set the duration after each lap is taken.

Lock a Heart Rate or Speed Zone

Press and hold START to lock the heart rate or speed zone you are currently in. Select HR zone or Speed zone. To lock/unlock the zone, press and hold START. If your heart rate or speed goes outside the locked zone, your M430 notifies you with a vibration.

Change phase during a phased session

If you chose manual phase change when you created the phased target:

  1. Press and hold LIGHT.
  2. Quick menu is displayed.
  3. Choose Start next phase from the list, and press START to continue to the next phase.

If your chose automatic phase change, the phase will change automatically when you have finished a phase. M430 notifies you with a vibration.

Change Settings in quick menu

Press and hold LIGHT. Quick menu is displayed. You can change certain settings without pausing your training session. For detailed information, see Quick Menu.


If you are training outside the planned heart rate zones or speed/pace zones, your M430 notifies you with a vibration.