How long does it take for changes made in the EngageDS app to show up on my TV? Depending on the speed of your WiFi network, the changes may take 5 minutes or longer to show on your TV screen. Related articles How long does it take before my video becomes available in CommandCenterHD after upload? Can Spectrio's digital signage system be used to show content on a screen when a Zoom meeting is not taking place? SpectrioOne Media Player Quick Start Guide