> For the complete documentation index, see [llms.txt](https://help.boomerang3.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.boomerang3.com/boomerang-3-calibration-app-manual/performing-the-calibration/finalise-calibration.md).

# Finalise calibration

If the reference data were read successfully or, in case of manual calibration, the user entered the calibrated sensor readings, the calibration summary window is opened.

<figure><img src="/files/0vjn8neTX9N86U75OFm0" alt="" width="299"><figcaption><p>Automatic</p></figcaption></figure>

<figure><img src="/files/mF4G5uq0fGuSpnmi7qdO" alt="" width="302"><figcaption><p>Manual</p></figcaption></figure>

The summary presents data of both sensors, the number of the certificate to be issued, the date, the method, and the calculated adjustment.

&#x20;Tap “OPEN PDF” button to check the certificate details.

You may also "Discard calibration" as described in [Discard calibration](/boomerang-3-calibration-app-manual/performing-the-calibration/discard-calibration.md) or "Recalibrate" as described in [Recalibrate](/boomerang-3-calibration-app-manual/performing-the-calibration/recalibrate.md).

&#x20;Use “Apply adjustment in B3” slider to decide if you want to save the adjustment in Boomerang 3.

This switch is not present in case of the manual calibration.

If the certificate looks correctly:

* use “Sign and save” to accept the calibration for the automatic mode. The certificate is sent to Boomerang 3 and saved in Certificates directory on the tablet. The adjustment is saved in Boomerang 3 and it is either the value calculated after calibration or 0, depending on “Adjustment set in B3” slider position.
* use “Save PDF” to accept the calibration for the manual mode. The certificate is saved in Certificates directory on the tablet.&#x20;

After finalisation the calibration row returns to “Ready” state.


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