> 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-user-manual/dashboard/missions/mission-handling/mission-alarms.md).

# Mission alarms

Mission alarms work the same way as alarms on regular measuring points (MPs).

They use the same concepts:

* alarm and warning limits
* alarm filters
* signing workflow

### Prerequisites

Assign an alarm range to the mission MP.

See [Alarm limits](/boomerang-3-user-manual/dashboard/alarms_and_warnings/alarm-limits.md) and [Alarm filter](/boomerang-3-user-manual/dashboard/alarms_and_warnings/alarm-filter.md).

### How mission alarms are shown

After mission readings are saved for an MP that has alarm limits configured, the system evaluates the mission.

Missions that have alarms are highlighted with a red background in the mission list.

<figure><img src="https://3588014471-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEANwXRnuP0ug8971viyg%2Fuploads%2FREJQMd9AQCpbvFGcpKBH%2Fimage.png?alt=media&amp;token=724632bc-d23b-4241-b1ff-2cfb18ae5d31" alt=""><figcaption></figcaption></figure>

If you select a mission with alarms, a red bell icon <img src="https://3588014471-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEANwXRnuP0ug8971viyg%2Fuploads%2FLccwcELoDgJssj7IhPCZ%2Fimage.png?alt=media&amp;token=5da4348a-81ce-4754-a88a-c38b90193419" alt="" data-size="original"> appears on the right side of the mission list.

An example of a mission with an active alarm is shown below.

<figure><img src="https://3588014471-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEANwXRnuP0ug8971viyg%2Fuploads%2FUjzTfwIMsZUs4psANFlc%2Fimage.png?alt=media&amp;token=9d8afc8c-a81f-4805-a646-3f6dd8251c9e" alt=""><figcaption></figcaption></figure>

Alarm trigger moments are shown on the graph as vertical red lines. This is the same as for regular MPs.

### Handling mission alarms

Handle and sign mission alarms the same way as other alarms:

* [Alarms and warnings handling](/boomerang-3-user-manual/dashboard/alarms_and_warnings.md)
* [Alarm signing](/boomerang-3-user-manual/dashboard/alarms_and_warnings/alarm-signing.md)
* [Mission activity log](/boomerang-3-user-manual/dashboard/missions/mission-handling/mission-activity-log.md)

{% hint style="info" %}
If you move a mission to another MP, alarms will be recalculated using the target MP limits.

See [Move mission](/boomerang-3-user-manual/dashboard/missions/mission-handling/move-mission.md).
{% endhint %}


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