# Controlling Video Wall Displays

Navigation: Working with Nx Witness > Video Wall Mode > # Controlling Video Wall Displays |

Users with sufficient rights can change the layouts that are placed on a Video Wall.

As soon as a Video Wall Display is opened on the Video Wall Controller, the user can control it like any other layout - it is possible to change the layout, navigate through archive, perform searches, etc. All changes made on the Video Wall Controller are immediately displayed on the Video Wall itself.

It is also possible to push the Video Wall Controller desktop view to Video Wall. See "Pushing Operator's Screen on Video Wall".

To control Video Wall

1.Us one of the following to open Video Wall on the Video Wall Controller:

•Drag Video Wall onto the layout

•Right-click on desired Video Wall in Resource Tree and choose Open Video Wall(s).

Note: It is not possible to open videos in this Layout.

2.Double-click on the desired Video Wall Screen to enter control mode. The layout of this screen will be opened and you will be able to perform any necessary operations:

•Adding Items to a Layout

•Removing Items from a Layout

•Arranging Item Display in Layout

•Selecting Items in Layout

•Moving and Swapping Items in Layout

•Resizing Items

•Cell Spacing

•Changing Cell Aspect Ratio

•Creating a Zoom Window

•Working with Multiple Nx Witness Windows

•Navigating through Archive and Live

•Pushing Operator's Screen on Video Wall.

All changes will be reflected immediately on the corresponding Video Wall Display.