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CHPA SERIES
5-1
Chapter 5
Operation
5.1 Overview
The CHPA features a microprocessor control system that accepts control input and provides
CHPA status and meters. This chapter describes CHPA operation via a control panel; details on
control content are in Chapter 8, Appendix B. For CHPA operation via the Computer Interface
port, see Chapter 3, "Interfaces."
The control panel, as shown in Figure 5-1, accepts input via the pushbutton keypad and
provides CHPA status and meters on the alphanumeric display and associated LEDs.
Individual pushbuttons control essential CHPA functions, such as transmitting and selecting
the Control mode. The keypad and alphanumeric display form a simple terminal through
which the user accesses CHPA features, which are grouped in menu categories, such as RF
Control, Fault Log, and Time/Date Setting.
This chapter consists of the following parts: "Essential CHPA Operating Procedures" provides
step-by-step instructions for essential CHPA operation. "Basic CHPA Operation" describes each
CHPA operating state, CHPA Control mode, and RF Control mode. Sample control panel
screens are included. "Special CHPA Functions" describes the menu category system, which
contains most CHPA features. This chapter concludes with "Quick Access Codes."
Figure 5-1. Control Panel
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