US Patent 11222081 Off-line electronic documentation solutions

A portable electronic device comprises a camera, a display screen, and a processor configured to identify a piece of equipment from one of an image of the piece of equipment or of a fiducial marker associated with the piece of equipment captured by the camera, display a header page associated with the piece of equipment on the display screen responsive to identifying the piece of equipment, the header page including options for accessing different types of documentation associated with the piece of equipment, receive an indication from a user of a type of documentation to access, and responsive to receiving the indication of the type of documentation to access, retrieve the documentation from a local memory of the portable electronic device, and display the documentation on the display screen.