The View Tool
The View Tool (shortcut h) is used to pan or move the view of your document. The icon for this tool is shown here:
The spacebar can be used as a View tool toggle to quickly move the view around without leaving the current tool. Press the spacebar to move the view, then release it.
With the View Tool selected, the following options are available in the Context Toolbar:
The Pan percentage is your current document zoom level. You can either input it numerically or adjust the slider. Units are the current measurement system units of your document.