> 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-domain-administrator-manual/admin/calibration/calibration-status.md).

# Calibration status

### Not calibrated MP <a href="#not-calibrated-mp" id="not-calibrated-mp"></a>

An MP that was never calibrated has gray background and a red exclamation mark before its name as shown below.

<figure><img src="/files/udkJsk6MyfLedm2Kjl72" alt=""><figcaption></figcaption></figure>

![](/files/YjmdmVzjU8K2htrXbl3y)

There may be an icon in the “History” column if a calibration was started but not finished.

<figure><img src="/files/N6KwldwJVDcsbZGwIo1V" alt=""><figcaption></figcaption></figure>

![](/files/cUZkgVuO0MxLoXknS4lT)

### Calibrated MP <a href="#calibrated-mp" id="calibrated-mp"></a>

An MP that was calibrated has white background and icons in the “PDF” and “History” columns as shown below. It also has time stamps in “Last Calibrated” and “Next Calibration” columns.

<figure><img src="/files/HjvhLBeJ2VXSOpydyPeo" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/QQl9CiwHfCpMXiW0oXEi" alt=""><figcaption></figcaption></figure>

The [Approve certificate](/boomerang-3-domain-administrator-manual/admin/calibration/approve-certificate.md) icon will be shown if the cerificate is not approved.

An MP for which a certificate was uploaded manually has a time stamp in “Manual Upload Time” column.

<figure><img src="/files/wE2ipdUVEbCaAzc9trHP" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/DNGxEG92KVLqPVA7QmFI" alt=""><figcaption></figcaption></figure>

If an MP has a certificate but it is expired, then there is a red exclamation mark before its “Next Calibration” date.

<figure><img src="/files/IOSSbS92PqEqpFcCNg8x" alt=""><figcaption></figcaption></figure>

![](/files/B9IW5SRsETDkEYnYM1kB)

### MP during automatic calibration <a href="#mp-during-automatic-calibration" id="mp-during-automatic-calibration"></a>

If calibration is done using ICU Scandinavia service, then an MP under calibration will present its status by a modified icon.

The blue MP icon is idle MP.

The yellow turning ![](/files/O1UHPi1TpJV4iS3pArMR) icon represents an MP during the calibration process.


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