Welcome to the world of Pi-Star, The 101 BASICS on the CONFIG page by Bobby KM6IKH
Direct YOUTUBE link here for better resolution: https://www.youtube.com/watch?v=-INP7WIuVxA&feature=youtu.be
OR ….. Go to FULL SCREEN mode (bottom right bracket) and it may take 15 to 30 seconds for the sharper resolution to display.