Console Functional Description

Figure 3-22.—A PPI console communications panel. allows the console operators to communicate by voice with each other and identify locations or events on the CRT to each other using the pointer symbol. Sound-Powered Phone.— Sound-powered phones tie the consoles into the ship’s sound-powered communications network. Radio.— Radio provides for ship-to-ship or ship-to-aircraft s e c u r e o r nonsecure radio communication. Console Functional Description The display console is divided into two major functional areas: the digital area and the analog area. The digital area interfaces the console to the computer and the console operator. The analog area contains the deflection control logic and the intensity and focus control logic that drive the CRT display. DIGITAL AREA.— The digital area receives computer output data, processes it, and outputs deflection and intensity (stroke) commands to the analog area. It also monitors console panel switch status and builds input words as switch status 3-17