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# How do I run multi-screen presentations with the Experience Centre app?
> Set up an experience centre or showroom in Pickcel: build synchronized slides across every screen in a room and control them from a tablet.
The **Experience Centre** app lets you control all the screens in a room from one tablet. You prepare a series of slides in advance and choose what each screen shows on every slide. During a visit, the host taps **Next** on the tablet and every screen in the room moves to the next slide together.
Use it anywhere a host guides visitors through a story on several screens at once.
Walk guests through your story zone by zone, with every wall in the zone in step.
Run client briefings on multiple displays without juggling laptops and HDMI cables.
Switch the whole room to the product a visitor asks about, in one tap.
Keep side screens and the main screen on the same slide while the presenter talks.
## How Experience Centre works
| Term | What it is |
| :- | :- |
| **Room** | One physical space and its screens, [created in your Pickcel console](/store/create-store). The menu where you create rooms is named for your account, such as **Experience Centres**. |
| **Screens** | The registered screens added to that room. In the slide editor, each screen has its own column, where you pick what that screen shows on every slide. |
| **Presentation set** | What you create in the app. One set per room is usually enough. |
| **Presentation** | A tab inside the set, such as *Welcome Tour* or *Client Showcase*. |
| **Slide** | A row in a presentation. It holds one image or video for every screen in the room. |
Two people use the app:
| Role | Where | What they do |
| :- | :- | :- |
| **Admin** | Pickcel console | Creates presentation sets, adds slides and media, assigns them to a room |
| **Operator** | Experience Centre operator app on a tablet or any browser | Picks the room, starts a presentation, moves through slides, stops it |
## Before you start
**Prerequisites:**
* Rooms and the **Experience Centre** app enabled on your account. Both are enabled on request, so if you don't see them, contact [support@pickcel.com](mailto:support@pickcel.com).
* A [room created](/store/create-store) for each space, with its registered screens [added to it](/store/add-screens).
* Your slide images or videos [uploaded to Media](/media/add-media), one file per screen per slide.
* A Pickcel user with the **Operator** role for each person running a room (**Settings > Users**).
* A tablet (iPad or Android) for each room, connected to the internet or, on premise, to your Pickcel server.
Design each slide as a set of files, one per screen, sized to that screen (for example 1920 × 1080 for a landscape Full HD display). Name them by slide and screen, such as `tour-s1-screen1`, so they are easy to find in the media picker.
## Create a presentation set
* [Log in to the Pickcel console](https://console.pickcel.com/) and go to **Content > Apps**.
* Search for **Experience Centre**, open the card and click **Create App**.
* Select the room from the **Rooms** list on the left.
* Check the screens shown for the room. The number next to each screen is the order its column appears in when you build slides.
* Click **Create**.
Need to add or remove screens? Click **Manage screens** to open the room's settings.
* Enter a **Name**, such as *Visitor Experience*.
* **Presentation room** is already set to the room you chose. The **Screens** list shows its screens in column order.
* Click the pencil next to **Presentation 1** and rename it, for example *Welcome Tour*.
* Click the slide title (**Slide 1**) to rename it.
* Click **Add media** under each screen, select one image or video, and click **Add media**.
* Click **Add slide** for each new slide and fill every screen again.
The status badge turns **Complete** when every slide has media on every screen.
* Click **+ New** next to the presentation tabs to add another presentation, such as *Client Showcase*.
* Build its slides the same way.
* Click **Create App**.
* The set appears under **Presentation sets** in the room view (as in step 2) and in your **Media** library as an app.
A slide must have media on **every** screen in the room, or none at all. Saving stops with a *missing media* message until you fill the empty screens or clear the slide. Fully empty slides are removed when you save.
## Edit slides and presentations
Open the set with **Edit**, make your changes, then click **Update**.
| To do this | Do this |
| :- | :- |
| Rename a presentation | Click the pencil next to its name, or **⋮ > Rename** |
| Copy or remove a presentation | **⋮ > Duplicate presentation** or **Delete presentation** |
| Reorder presentations | Drag the presentation tabs |
| Rename a slide | Click the slide title |
| Reorder slides | Drag the handle on the left of a slide, or use the slide's **⋮ > Move up / Move down** |
| Copy a slide | Slide **⋮ > Duplicate slide** |
| Empty a slide | Slide **⋮ > Clear media** |
| Remove a slide | Slide **⋮ > Delete slide** (a presentation needs at least one slide) |
| Swap or remove one screen's media | Hover over the media, then click replace or the bin icon |
Operators always get the **saved** version. Click **Update** before you present your changes.
## Run a presentation from the operator app
Operators run the room from the **Experience Centre operator app**, built for a tablet but usable in any browser. Visitors don't need it and can't change the screens.
* On the tablet, open `https://console.pickcel.com/suite/experience-centre/`. On an on-premise server, use your server's address followed by `/suite/experience-centre/`.
* Sign in with the operator's Pickcel account.
* Add the page to the tablet's home screen so operators can open it in one tap.
* Select the room from the **Rooms** list.
* The room shows its screens, whether they are online, and what is playing now.
* Click **Open** on the presentation set.
* Select the presentation tab, for example *Welcome Tour*.
* Click **Start** to play from the first slide, or **Play from here** on any slide.
* Enter how long it should play, from 5 to 1440 minutes (default 15), and click **Start playing**.
* Tap **Next** or **Previous** to move every screen in the room together.
* Tap **Show** on any slide to jump straight to it. On a keyboard, use the arrow keys.
* The slide on the screens is marked **LIVE** and **ON SCREENS**, and the following slide is marked **UP NEXT**.
* Each screen column shows **Live · Slide N**, so you can confirm every screen changed. **Next** is greyed out on the last slide.
* Select another presentation tab. This only previews it; the screens keep playing.
* Click **Start**, or **Replace from here** on a slide, then **Replace** to confirm. No new duration is asked.
* To return to the live presentation without changing anything, click **Go to** *presentation name*.
* Click **Stop**, then **Stop** again to confirm.
* The screens go back to their default content. Playback also stops on its own when the duration ends.
Admins can test a set without the operator app: in the console, open the room and use **⋮ > Assign as quickplay** on the set. It plays for 10 minutes, with a **LIVE** bar for **Next**, **Previous** and **End quickplay**.
## Manage presentation sets
| Action | Where | What happens |
| :- | :- | :- |
| **Edit** | Room view > **Edit** | Opens the editor. Click **Update** to save. |
| **Delete** | Room view > **⋮ > Delete** | Removes the set and its presentations from the room and the operator app. Your media stays in the Media library. A running presentation stops. |
| **Change room** | Editor > **Presentation room** | Moves every presentation to the new room. Media stays on the same screen positions, screens the new room doesn't have are dropped, and extra screens start empty. |
## Frequently asked questions
An experience centre (or experience center) is a space, such as an innovation centre, executive briefing centre or showroom, where hosts walk visitors through a story on several screens. Pickcel Experience Centre keeps all the screens in a room on the same slide and lets the host control them from one place.
* Check that the screen is added to the room. Click **Manage screens** to see the room's screens.
* Make sure the screen's player is registered and has come online at least once.
The room has no registered screens yet. [Add screens to the room](/store/add-screens) first.
* *No screens are connected in this room*: every screen in the room is offline. Check the players' power and network.
* *No screen confirmed the slide change*: the screens didn't respond in time and are still on the previous slide. Tap **Next** or **Show** again.
* A screen column marked **Offline** won't follow the slides until its player is back online.
* The room needs at least one screen, and a presentation set created for it in the console.
* Tap the refresh button at the top right to reload rooms and presentation sets.
* A slide has media on some screens but not all. Fill the empty screens or use **⋮ > Clear media** on that slide.
* A presentation has no media at all. Add media to at least one slide or delete the presentation.
* The set has no presentations. Add at least one.
Yes. Each screen on a slide takes one image or one video from your Media library.
Yes. Each column shows the screen's orientation, and landscape screens are listed before portrait screens. Use media sized for each screen.
Usually one. Put every story for that room in the same set as separate presentations, so the operator can switch between them during a run.
The operator sets the duration when starting, from 5 minutes to 24 hours. The screens then go back to their default content, or earlier if the operator taps **Stop**. A console quickplay lasts 10 minutes.
Yes. The operator app runs in the tablet's browser. Use one tablet per room, signed in with an operator's Pickcel account, so two devices don't send conflicting slide changes.
No. Only the set and its presentations are removed. The images and videos stay in your Media library.
## Related guides
Create a room for each space.
Add a room's screens to it.
Upload the images and videos for your slides.
How Quickplay overrides the schedule for a set time.
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