After importing your manual, click on settings in the top right corner → click on Abbreviations → click on Convert.
This will give you two possibilities:
1. Create abbreviations:
Click on the capital letters, write the definition of this abbreviation, and then Convert.
This will create the abbreviation that you will be able to find in the abbreviations modules.
2. Sync already existing abbreviations with the text
Some abbreviations already created in the system can be found in the text. This functionality will give you the possibility to sync your text with abbreviations without having to look through your document.
Simply tick the box next to the correct abbreviation and click on Convert: