Printronix P9212 - The Control Panel

2–15
Principles of Operation
The Control Panel
The control panel consists of indicator lamps, LEDs, contact switches, and a
liquid crystal display (LCD).
The control panel processes and sends switch closure information to the
controller board (CCB or LMI) and receives status information.
Control Panel Circuit Board
Controller Board
Switch
Status
Control Panel
Data
Control
Closures
Switch
Closures
(CCB or LMI)
Assembly
Figure 2–11. Control Panel Functional Block Diagram