An interactive troubleshooting system is described herein that provides a dynamically changing user interface that readers click through to solve problems. The electronic devices are initially preloaded in a distributed manner with various content segments from corresponding content items. An air knife may be mounted on the same carriage, the air knife facilitating separation by keeping the seedling foliage and stems up and helping the beater bar enter between adjacent rows. The base station then reduces the portion of non-overlapping sub-channels assigned to the first ultra-wideband communication device in response to the interference information, thereby creating a group of available non-overlapping sub-channels, which are assigned to a second ultra-wideband communication device. The attached extension plate may extend from a position over the greater tuberosity to a position over the lesser tuberosity of the humerus such that the intermediate region is disposed over a biceps tendon. The method enables multi-channel devices and single-channel devices to coexist by sending out a preamble and header on each individual channel before the channels are grouped, a single-channel device that may be scanning the channel thus detecting that the message that follows is not intended for itself.