A plurality of items of panorama data are prepared and associated with a plurality of coordinates in a three-dimensional space. The present invention has first switching circuits for turning onoff in accordance with a digital pixel signal, second switching circuits connected to the first switching circuit, first through third capacitors, and third through seventh switching circuits. The base unit includes another rechargeable battery, high capacity memory, high power processor and a second pair of connectors. Additionally, the present disclosure can also apply to other non-OTN frameworks such as an extended Ethernet frame with forward error correction over RF-based links. Methods of making and using a flattened decorative bag having gussets. The medical ventilator is also controlled such that sensitivity to a patient initiated trigger increases as the expiratory phase of the breathing cycle progresses.