General help information:

• Double-click to reset zoom.
• Left-click to print mouse position (within plot) to console.
• Ctrl-Z to undo zoom actions.
• Right-click and drag to pan.
• Left-click and drag zooms to the dragged area. If you press Escape while dragging, it will cancel the zoom.
• Scroll up/down will zoom in and out.
• Holding down "x" and "y" will restrict any movement to the x and y axes respectively.