An image pickup control unit displays either one of a picked-up image by a first image pickup unit and a picked-up image by a second image pickup unit on a display unit as a finder image. It includes a single set of controls to operate a vehicle restraint, a dock door, a barrier device, a dock seal, and a loading light. GbE using only 2 wire pairs per link may offer increased port density over a conventional 1000Base-T link. Methods of the present invention contemplate administration of leptin, leptin analogs, and leptin derivatives to patients having a leptin level of approximately 4 ngml or less before treatment.