How to toggle the sign's internal diagnostic storyboard

1. Obtain a spare, empty, formatted USB thumbdrive
2. Login to RUNSAM if you have not done so.
3. On the hardware page for your sign, click "Diagnostic Storyboard".
4. You'll be asked if you would like to download "sign_html.zip". Copy this file to your USB thumbdrive and safely remove/eject it
5. Insert the thumbdrive into a spare USB slot on the sign unit.
6. Wait a few minutes - diagnostic mode should begin shortly.