• Open Read&Write.
• Select the “Screen Mask” icon from the tool bar.

• The screen masking icon will now show a dot underneath and turn purple to indicate it is currently on.

• The screen mask follows your cursor on the page in a horizontal line and dims the rest of the page.

You'll notice three new icons appear on your page. 

• The first icon allows you to move the three icons around your screen.
• The second icon is the same as the screen masking icon in the Read&Write toolbar. If clicked, it turns screen masking off.
• The third icon brings you to the screen masking settings options.

• To stop the tool, select the “Screen Mask” icon again.

• In the Read&Write toolbar, click on the ellipsis icon (three dots) and select the settings cogwheel. Click on "Screen Masking" in left column.

Background Color:

• The background color is the color that is outside of the highlighted area.
• You can change the background color (or make it transparent) by clicking on the box next to “Background.”
• You can adjust the opacity of the background color by using the “Background opacity” slider bar.

Reading light:

• The reading light color is the color of highlighted area that follows your cursor.
• You can change the Reading Light color (or make it transparent). By clicking on the box next to “Reading light.”
• You can change the opacity of the Reading light by using the “Reading light opacity” slider bar.
• You can change the height of the reading light area by adjusting the “Reading light height” slider bar.
• The reading light can also be toggled off or on by clicking the “Reading light” checkbox under “General.”

Select the link below to watch and/or listen to the tutorial:

How to Video for Having Read&Write Screen Mask (00:00:30)

Additional Resources:

Texthelp Academy