Try to avoid wearing chains or necklaces that can hit the microphone. Use other microphones. If you are having a guest speaker, or a panel discussion, bring in additional microphones. Computer Presentations Use large fonts. On your Power Point presentation, use the biggest fonts realistically possible.
Small fonts are hard to read.
Use contrasting colors. A dark background with light text is easily readable. Use drop shadows. Adding drop shadows to text makes it more legible. Avoid busy backgrounds.