A method is provided of a financial institution presenting an image of a bank document in a check truncation environment. Other inventive elements conveyed include: an architectural overview of a packet processor; a programming model for a packet processor; an instruction pipeline for a packet processor; and use of a packet processor as a module on a rings-based architecture. A pressure-relief valve is connected hydraulically in parallel with the emergency operation valve so that the damping force is determined by the pressure-relief valve when the emergency operation valve is closed. According to the present invention, since panels are assembled in a sliding manner, the panel installation set has the advantage of enabling easy and simple assembly of the panels, and reducing installation cost by reducing the use of subsidiary material. To supplement the view provided by an image captured by the camera, an auxiliary view including articulatable arms of the surgical tools andor camera is generated from sensed or otherwise determined information about their positions and orientations are displayed along with indications of range of motion limitations on a display screen from the perspective of a specified viewing point.