Split screen

Keep the plan on the left and the detail it references on the right. Each pane has its own view, page and zoom, and markups you place in one pane appear in the other immediately.

1. 1
   Open the split

   In the bottom bar, choose Split vertically (side by side) or Split horizontally (stacked). One view closes it again.

2. 2
   Pick the active pane

   Click in a pane to make it active — it gets a blue outline. The page controls, the view buttons, the zoom field and the Properties panel all act on the active pane.

3. 3
   Set each pane up

   Give each pane its own view, page and zoom. One pane can sit in grid view while the other reads a sheet at 200%.

4. 4
   Resize

   Drag the divider between the panes.

5. 5
   Lock the views together

   Click the lock that appears while split to sync the panes: they share page and camera, so panning or zooming one moves the other. Click it again to unlock.