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Automatically Calibrating Pins

Using your bow configuration's draw length and chronograph speed, your Xero® A1i Pro bow sight can predict the ballistic profile of your arrow and automatically calibrate the pin stack. You can enter your sight height and grip to sight measurements for more accurate results.

  1. When prompted during setup for the arrow profile, enter the chronograph speed of your arrow.
  2. Select Yes to auto-calibrate the pin stack.
  3. Select your arrow diameter.

    The pin stack is automatically created.

  4. Follow the on-screen instructions to validate the pin stack.
    NOTE: Validating the pin stack ensures you have tuned it to your arrow's true ballistic profile. The device prompts you to validate the pin stack at 40 m (40 yd.) or farther. If you are a long distance shooter, you should validate it at a longer range.
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