# Visuelize > Runs the screens in the boardroom. You control what every screen shows from a phone or laptop; changes land on the room displays in well under a... Documentation pages. Each has a plain Markdown version at the same address plus .md. ## Docs - [The four surfaces](https://visuelize.com/docs/surfaces.md): A room display never logs in. It authenticates with its own screen token, which is baked into the link, and that token only ever grants read access to... - [Setting up a meeting](https://visuelize.com/docs/setup.md): No links to copy. On the room machine, open /qr on your workspace's address (for example yourname.visuelize.com/qr ). It shows a QR code that changes... - [Running the meeting](https://visuelize.com/docs/running.md): Live Control has one card per screen. Pick a mode and the screen changes immediately. Two people with the panel open never drift apart: the server is... - [Locked room screens](https://visuelize.com/docs/lock.md): A room display locks its keyboard and mouse the moment someone clicks Start Display . Every key, click, right-click, scroll and touch gesture is... - [Queue next](https://visuelize.com/docs/queue.md): Every screen card in Live Control has a Queue next button. Press it and pick the next scene in the panel that opens (the mode, then which presentation,... - [Presenter remote](https://visuelize.com/docs/remote.md): /remote is a phone remote with four modes. The layers button at the top right ( Mode in the presenter view) switches between them, and the page reopens... - [Presentations](https://visuelize.com/docs/decks.md): Decks are converted to flat per-slide JPEGs on upload. The display page never needs a PDF renderer, so a slide can never fail to paint in the middle of... - [Presentations, Documents, Photos and Videos](https://visuelize.com/docs/library.md): In Live Control these four tabs are VisuDrive showing one kind each. They open on All presentations (or documents, albums, videos): everything this... - [Photos](https://visuelize.com/docs/photos.md): An album cycles on its own once a screen is in Photos mode. Each photo is stored full-size plus a thumbnail. Set seconds-per-photo in the album's Edit... - [Agenda](https://visuelize.com/docs/agenda.md): Items carry a title, speaker, start time, duration and optional notes, and can be linked to a deck. Marking an item Now highlights it on every agenda... - [Videos](https://visuelize.com/docs/videos.md): Upload an MP4 (also MOV, WebM, M4V, OGV) in the Videos tab, then set any screen to Video mode and pick it. It plays full-screen with object-fit:... - [Background music](https://visuelize.com/docs/music.md): Music is one playlist for the whole room , not a track per screen. The server owns the queue, the playhead and the clock; a screen only decides whether... - [Screensaver](https://visuelize.com/docs/screensaver.md): The welcome copy at rest: same words, much larger, over a full-strength animated backdrop, with a very slow breathing scale so a screen left on it for... - [Appearance & themes](https://visuelize.com/docs/appearance.md): The theme applies everywhere: displays, control panel, remote, share and the sign-in page. Backdrop intensity is theme-aware: light themes use a paler... - [Live screen share](https://visuelize.com/docs/share.md): A presenter opens /share , picks a window or screen, and any display put into Live Share mode shows it. The connection is direct WebRTC between the... - [VisuDrive](https://visuelize.com/docs/folder.md): VisuDrive is one file browser over everything the organisation holds: presentations, documents, photo albums, videos, audio and any other file. It has... - [Access & sessions](https://visuelize.com/docs/access.md): One deployment serves many organisations . An organisation owns its content library and its people. Inside it, a team owns the physical screens: a... - [Troubleshooting](https://visuelize.com/docs/trouble.md): Symptom Cause and fix No sound on a screen Nobody clicked Start Display on it. Reload the screen link and click once. For a machine paired by QR code,... - [API reference](https://visuelize.com/docs/api.md): Everything under /api needs at least a presenter session; admin-only routes are marked. Displays use /api/public with their screen token. ## Optional - [Full documentation in one file](https://visuelize.com/llms-full.txt) - [Sitemap](https://visuelize.com/sitemap.xml) - [Home page](https://visuelize.com/)