# Reference Curve and Real-Time Temperature Comparison

<figure><img src="https://830458643-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FwpJTxUWc9uFtXCim8Hgo%2Fuploads%2FbqgbzM83r8KaNB39tIXF%2FFrame%2010.png?alt=media&#x26;token=678e963f-cfc1-4893-97b8-cf35cf219e61" alt=""><figcaption><p>Background Curve Compare</p></figcaption></figure>

## Setting a Reference Curve from the Roasting Record Page

1. Navigate to the **Roasts** page and find the record you want to use as a reference curve.
2. Click the vertical ellipsis (⋮) in the upper right corner of the records' page, then select `Set as reference`

<figure><img src="https://830458643-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FwpJTxUWc9uFtXCim8Hgo%2Fuploads%2FXiI1WGcNCOoqW1nlFWQy%2FGroup%2030.png?alt=media&#x26;token=8e34b96d-66f9-45ff-8c7e-38538910318b" alt=""><figcaption></figcaption></figure>

3. The selected background curve will be displayed, allowing you to monitor and compare the real-time temperature differences with the previous batch during the roasting process.&#x20;

<figure><img src="https://830458643-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FwpJTxUWc9uFtXCim8Hgo%2Fuploads%2FOsRhYofxt6octSwlenMv%2FGroup%2031.png?alt=media&#x26;token=7c9fcaa6-70ee-4378-b71f-a65afad6fc77" alt=""><figcaption></figcaption></figure>

## Selecting or Changing the Reference Curve During an Ongoing Roast&#x20;

You can choose or switch the reference curve even while roasting or if a reference curve has already been selected.

1. On the Pre-roast or Roast page, please click on the “Click to select reference” placeholder within the Details tab.

<figure><img src="https://830458643-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FwpJTxUWc9uFtXCim8Hgo%2Fuploads%2FJHbYNwQdML2CNqlQllKf%2FGroup%2032.png?alt=media&#x26;token=fd4c93c4-1393-4bdd-a91b-4b07d3a59342" alt=""><figcaption></figcaption></figure>

2. Search for the desired roasting record.

<figure><img src="https://830458643-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FwpJTxUWc9uFtXCim8Hgo%2Fuploads%2Fqu4wr2d587avJAPqhSJr%2F%E1%84%89%E1%85%B3%E1%84%8F%E1%85%B3%E1%84%85%E1%85%B5%E1%86%AB%E1%84%89%E1%85%A3%E1%86%BA%202025-02-18%2012.26.42%201.png?alt=media&#x26;token=dd7a7b40-c985-4bce-a9ed-4b0665aed20a" alt=""><figcaption></figcaption></figure>

3. To view the details of the Reference record, please click on the dropdown at the top right, and click “Reference.”

<figure><img src="https://830458643-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FwpJTxUWc9uFtXCim8Hgo%2Fuploads%2FAdWx7VRLLdpnHvWGdKRO%2FGroup%2033.png?alt=media&#x26;token=3918f31c-1805-4d5c-9133-cc0af1e31789" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
To see how background curve and real-time temperature comparison work with other features to help you manage your roast smoothly on Firescope, [check out our video](https://www.youtube.com/watch?v=MV9zqd-bxJc)!
{% endhint %}