Get rid of glow around text render

Complete newbie question.
I am trying to get some text to display nicely on an in-game TV screen, but I can’t get rid of the glow that surrounds the text. I want the text to have clean, sharp edges.

Here is what I am getting:

The glow is not present in the blueprint:

The TextRender properties:

My font material:

To import my font, I followed the instructions here: How to make clean big text renderers with custom fonts? - Rendering - Epic Developer Community Forums
That is, I change the “Texture Page Width” and “Use Distance Field Alpha”. I also tried with and without anti-aliasing.