Add a display

This guide adds a third display, Center Display, fed from a new matrix output. The example uses key display-3.

Device, in devices. mockdisplay is a simulated display with power, warm-up and cool-down, and inputs:
```
{ "key": "display-3", "name": "Center Display", "type": "mockdisplay", "properties": {} },
```

Matrix output, in the matrix-router device's outputPorts:

{ "name": "display-3", "label": "Center Display", "signalType": "AudioVideo" }

Tie line, in tieLines, from the matrix output to the display's first HDMI input (hdmiIn1):

{ "SourceKey": "matrix-router", "SourcePort": "display-3", "DestinationKey": "display-3", "DestinationPort": "hdmiIn1" },

Destination-list entry, in destinationLists → default. This makes it a card on the advanced sharing page:

"display3": {
  "sinkKey": "display-3",
  "name": "Center Display",
  "order": 3,
  "sinkType": "audioVideo",
  "includeInDestinationList": true,
  "isProgramAudioDestination": false
},

Basic sharing: so that picking a source on the basic screen also sends it to the new display, add a route to each source's routeList in sourceLists → default:
```
{ "sourceKey": "source-laptop", "destinationKey": "display3", "type": "audioVideo" },
```
Use each entry's own sourceKey. Add the same route to roomOff too, so that ending the session clears the new display as well.
Tech pages (optional), in the room's tech settings:
- add { "deviceKey": "display-3" } to displays to list it on the Displays page;
- add "display-3" to systemStatusDeviceKeys to give it a row on System Status.

Load the config and run progreset -p:1. The display appears on the advanced sharing page, as an output on the tech Routing page, and on the tech Displays page.

Note

Destination-list keys (display3) and device keys (display-3) are separate names. Source routes and the destination list use the destination-list key; tie lines and the tech settings use the device key.

Table of Contents

Add a display

Note