PS Engineering
PAC45 Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-045-0000 Page 3-1 Rev. 7, May 2019
3.12 Intercom Operation Block Diagrams
These block diagrams illustrate the audio distribution for intercom and radios in four different configurations, single panel, dual panel pilot/copilot,
dual panel pilot-copilot/observer, and three control head.
3.12.1 Single Control Panel