Using the Xero Chronograph App

You can use your watch to view ballistics data during a Xero® chronograph session and access session controls. See your chronograph manual for more information about compatibility and how to use the chronograph.

  1. Pair your watch and Xero chronograph (Pairing Your Wireless Sensors).
  2. From the watch face, press GPS.
  3. Select Xero Chronograph.
  4. Wait while the watch and chronograph connect.
  5. Select an option:
    • On your watch, press GPS, and select New Session.

    • On your Xero chronograph, start a new session.

  6. On either device, follow the on-screen instructions to select the weapon mode and weapon details.
  7. During the session, use your watch to select an option:
    • Press DOWN to view the shot list.
    • Press GPS to view the options menu.

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April 2026