In a broadcast system such as a direct-to-home satellite system, program guide information for different time periods is transmitted on different carousels and broadcast on all transponders. The top panel shelves are configured for complimentary engagement with the top panel adapter and with the head and wall girts; and the bottom panel shelves are configured for complimentary engagement with the bottom panel adapters and with the sill and wall girts. The method may include receiving a packet including information. The rotation-speed reduction mechanism reduces the speed of rotation between the display screen unit and the stand upon application of a rotation load exceeding a certain level.