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1. Drag a non-empty cell onto a grid square fragment (see Moving cells).

2. Left-click a grid square fragment and resize it (see Resizing cells).
3. Left-click a grid square fragment and select a video camera or information board in it (see Selecting a video camera in a viewing tile Adding cameras to cells).

Cells are added in rows. For example, when editing a six-square (3*2) layout, a column of two grid squares is added when a fragment is chosen on the left or right side of the screen.

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