How to use the Image Caption feature using NVDA

1. Press "Insert+F7" key to open the "Elements List" of the NVDA screen reader.
2. Select the "Headings" radio button from the "Elements List" of the NVDA screen reader.
3. Select the page title form the "Headings list" of the NVDA screen reader. 
4. Press the "Ctrl+Up/Down Arrow" keys to change the focus to the image of the page.
5. If the image is a regular image, the NVDA screen reader will express the image to the user.
6. If the image is a Optical Character Recognition "OCR" capable, NVDA announces the user to click "Get more details" button to get the text that the image has.
7. Press the "Tab" key to move to the "Get more details" button.
8. Press "enter" key to click on the "Get more details" button of the image.
9. Once the Optical Character Recognition "OCR" feature renders the data of the image, the NVDA screen reader will announces the user that the "Details successfully retrieved" related to the image.
10. Press "Ctrl+Up Arrow" keys to make NVDA screen reader reads the content of the Optical Character Recognition "OCR" capable image of the Confluence page.