OEC 9800C-Arm - Page 58

Overview
2-28
Service Periodic Maintenance
Contents
Schematics Illustrated PartsInstallation
Control Panel Processor
The Control Panel Processor (CPP) scans for key closures on the Keyboard and reports these closures to the System
Interface PCB in the Host Controller subsystem for further processing. The CPP also responds to commands from the
System Interface PCB to light Keyboard LEDs.
Control Panel Processor