# Reference Curve and Real-Time Temperature Comparison

<figure><img src="/files/pvNZkrAWe0pFMbJ3YoJ1" 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="/files/uAOjOQWy0EQEnPezbuD2" 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="/files/dgigj1PgBTeEMHMP81c2" 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="/files/Mskqbtvwmp5s5FPIP6gc" alt=""><figcaption></figcaption></figure>

2. Search for the desired roasting record.

<figure><img src="/files/pFXe5EjwRWz6m8ehAL0x" 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="/files/myanITmTXoCZEMr7mDCx" 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 %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.firescope.io/en/key-features/reference-curve-and-real-time-temperature-comparison.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.