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What can I do if the altitude readings of my Exercise are wrong in my Suunto Ambit3 Peak?

If your Suunto Ambit3 Peak shows incorrect altitude or barometric readings during an exercise, the following tips may resolve the issue:

Before starting an Exercise:

 

  • Ensure that the latest software version is installed on your watch (learn more here). To make sure that your watch has the latest version, connect your watch to your computer and open Moveslink2. You will be notified if a software update is available. If so, please update your watch.

  • Make sure that FusedAlti is enabled. With this feature enabled, GPS and barometric altitude are combined to provide a more reliable altitude reading. Read more in the user guide.
    When enabled, FusedAlti is activated every time you start an exercise that uses GPS.

    To activate FusedAlti:
    1. Keep NEXT pressed to enter the options menu.
    2. Scroll to ALTI-BARO with LIGHT and enter with NEXT.
    3. Scroll to FusedAlti with START and press NEXT to enter the menu.
    4. Select ON with LIGHT and confirm with NEXT.
    Note: In good conditions it takes several minutes for FusedAlti to activate. During that time, your watch shows your approximate barometric altitude. Your altitude reading and as well altitude history in the exercise will be corrected once your real altitude is defined via FusedAlti.

  • Set a new altitude reference value. Learn how to set this value for your watch in the FAQ “How to set a new altitude reference value for Ambit3 Peak”.

  • Check which Alti-Baro profile is set for the respective sport mode in Movescount.
    Which profile to select:
    • Select ALTI profile when your outdoor activity involves changes in altitude (e.g. hiking in a hilly terrain).

    • Select BARO profile when your outdoor activity does not involve changes in altitude (e.g. hiking on flat terrain).
    Note: No ascent/descent values will be calculated in this profile as all air pressure changes are interpreted as changes in weather.

    • Select AUTOMATIC to let the watch decide which profile is most suitable for you at the moment.
    Note: In AUTOMATIC profile your watch switches between ALTI and BARO profile according to your movements and changes in air pressure. It may take several minutes until the watch sets the correct profile. This may influence the altitude readings. Read more about Alti-Baro in the user guide for your product.

  • To set the Alti-Baro profile in Movescount:
    1. Open Movescount. Navigate to Me >> Watches >> My watches.
    Movescount My Watches

    2. Select your watch. Scroll to sport modes and click on the outdoor sport mode you want to adjust.
    3. Click on Show advanced settings and go to Alti-Baro profile. Select the desired setting and click SAVE.

    Movescount - Show advanced settings

    Movescount - Alti-Baro Profile

    4. After changing the setting in Movescount, sync your watch by connecting it to your computer with the supplied USB cable.


  • Check that the pressure sensor openings in the back of your watch are not covered or blocked. Make sure the watch is not too tight on your wrist and no clothing or wrist movement is blocking the sensor.
    Note: Keep the area around the sensor free of dirt and sand. Never insert any objects into the sensor openings or clean it with compressed air.

 

During exercise:

 

  • Check that the watch is not worn too tight on your arm. The pressure sensor openings should not be blocked.
  • Ensure that your wrist or hand movement is not affecting or blocking the pressure sensor openings.
  • If FusedAlti is turned off, set a new altitude reference value from time to time, as the readings may be affected by weather changes. Learn more about how weather changes affect an altimeter in this video:

If the problem persists, please bring your watch to the nearest Authorized Service Center or contact our Suunto Support. We are happy to assist you.

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