---
title: "Reply to: Put an AV test at the start of your slides"
url: https://perrotta.dev/2026/09/reply-to-put-an-av-test-at-the-start-of-your-slides/
last_updated: 2026-09-20
---


Terence Eden:

> For years, I've had a test-card at the start of my slides. Before I start my
> talk, I can immediately see if the aspect ratio is wrong, colours are off, or
> any other visual issues with the presentation.

In fact, it's brilliant and simple.