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Setting a Reference Curve

This article explains how to set up and maintain a Reference Curve.

Written by Nikolett Takacs

Updated at July 29th, 2025

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Table of Contents

Why use a Reference Curve? Setting the Reference Curve Via the Profile details page during Profile creation Directly within the Roasting Intelligence (RI) Via direct selection on the online platform C-sar Via Roast Compare on the online platform C-sar FAQs

Why use a Reference Curve?
 

Note the following details:

  • The terms "Reference Roast" and "Reference Curve" are interchangeable.
  • Before creating a Reference Curve, we recommend creating a Profile for all your Recipes. 
 


A Reference Curve is essential for achieving consistency in roasting, providing a guiding framework throughout the process.

We recommend setting a Reference Curve for each of the Profiles you create. 

 

The Reference Curve is displayed as a grey line in the Roasting Intelligence (RI) interface, guiding you throughout the roasting process.


Setting the Reference Curve

You can set the Reference Curve in four different ways:

  1. Via the Profile details page
  2. Directly within the Roasting Intelligence (RI)
  3. Via direct selection in your Cropster account
  4. Via Roast Compare in your Cropster account


Via the Profile details page during Profile creation

By following the steps below, you can set a Reference Curve via the Profile details page: 

  1. Log in to the online platform C-sar.
  2. Navigate to Roasts on the main menu bar and select Profiles.
  3. Click on the PR tag of the Profile you wish to set as a Reference. You will be directed to the Profile details page. 
  4. Click on the green + Set reference roast button. 


Directly within the Roasting Intelligence (RI)

By following the steps below, you can set the Reference Curve directly within Roasting Intelligence (RI):

  1. Open the Production bar.
  2. Select the roasted batch you would like to set as a reference and click the dots (...). 
  3. Select Mark as reference. 
    Changes will take immediate effect on the online platform C-sar once the roast is marked as a reference.


Via direct selection on the online platform C-sar

By following the steps below, you can set the Reference Curve via direct selection:

  1. Log in to the online platform C-sar. 
  2. Navigate to Roasts on the main menu bar to get to the Roast overview page. 
  3. Click the star icon next to the roast's PR tag to set it as a reference.


Via Roast Compare on the online platform C-sar

 

For best results, use this method after completing multiple roasting batches.

 

 

By following the steps below, you can set the Reference Curve via Roast Compare:

  1. Log in to the online platform C-sar. 
  2. Navigate to Roasts on the main menu bar. You will be directed to the Roast overview page. 
  3. Select the completed roasts to compare by checking their PR tags.
  4. Click Compare roasts. 
  5. Click the star icon next to the roast's PR tag to set it as a reference. 

FAQs

How do I remove the Reference Curve? 
By following the steps below, you can remove the Reference Curve:

  1. Navigate to Roast > Profiles.
  2. Choose the Profile from which you want to remove the Reference Curve by clicking on the Profile's Name.
  3. Scroll down to the bottom of the page to the History of References. 
  4. Click the respective checkboxes for the Reference Curves you wish to remove.
  5. Select the Delete icon. The selected Reference Curve(s) will be removed.
     
     

How many roasts can I compare at a time? 
You can compare a maximum of 10 roasts at a time. 
 


Can I reset the Reference Curve?
Yes, you can. You can click on the grey Reset Prior reference button right next to the yellow star on the page. As a result of this action, the selected roast will no longer be designated as the reference.
 


Is it possible to hide the Reference Curve during roasting in Roasting Intelligence (RI)?
Create a Profile without a reference for temporary use, but switch back to the original Profile before saving the roast to maintain consistency.


Congratulations! You are now ready to set up and maintain your Reference Curve.

Your opinion matters. If you have further questions, feedback, or concerns, please submit a support ticket directly from support.cropster.com. 

reference_roast reference_curve hide_reference_during_roasting

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Related Articles

  • How to access the History of References
  • How to synchronize the Roasting Intelligence (RI)
  • Managing Profiles

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