PTViewer Instructions:

• Click and move the mouse to pan and tilt
• While panning, use control and shift keys to zoom in and out.
• Alternatively, use the arrow keys for panning and tilting in fixed increments.
• Use + and -, or > and < keys to zoom in fixed increments.
• Press the space bar to make hotspots visible; repress to hide them again.
• While over hotspot, click the mouse or press enter to jump to link.