114 Part F: Configuring Channels © Tait Electronics Limited December 2007Signal PathIn the Add or Edit Channel Profile dialog, the Signal Path tab lets you configurethe path that incoming and outgoing signals take. In effect, you can design yourown virtual backplane for the base station.The left-hand side of the tab defines RF filter characteristics. Each panel has adrop-down list you can choose from, and a thumbnail graphic showing you theresponse characteristics of the filter you chose.The middle of the tab displays possible audio paths as light gray lines. Checkboxes and a drop-down list let you select path options. When you select anitem, the path it enables appears as a thick green (transmit path) or red (receivepath) line.Both the receiver and the transmitter have two paths. Path A connects to abalanced line and Path B to an unbalanced line. You can select different filtersfor each path.Note: You can use Task Manager to disconnect or re-connect partsof the signal path in particular circumstances. See “Channel ProfileActions” on page 211. Also, Task Manager actions can connect thebalanced line input to the balanced line output, or the unbalanced line input tothe unbalanced line output. See “Loopback actions” on page 206.Important: The transmitter can be keyed from several differentsources. If the instruction to key up is received from more than onekeying source, the source with the highest priority level takesprecedence. Only the audio that belongs to the keying source will be used tomodulate the transmission. The keying sources and their priority levels are:
