Following an online auction of a vehicle, a buyer can file a report of a disputed feature. The register may be externally programmable by a controller and may be located on a memory device or on an external voltage generator, which then provides an adjustable voltage to the memory device. The display emits the display light. Each slave rendering device adjusts the rendering of its content to keep it in synchronization with the rendering of the content at the master rendering device. In a third operating mode, the third and fourth feeding points are fed 180 degrees out of phase with each other, resulting in a third E-field in the slot having a second sinusoidal variation uncorrelated with the first sinusoidal variation. A transmission device transmits a driving force of the driving device to the disks.