August 2013 1-4 P/N 06-236530-001
•Trouble (yellow)
•Supervisory (yellow)
• Silence (yellow)
1-2.1.2 OPERATOR CONTROL KEYS
The operator control keys are:
• Acknowledge
•Silence
• Reset
•Scroll
1-2.1.3 DIGIT AND FUNCTIONALITY KEYS
The 12-position keypad has the following digit and functionality keys:
•Digits, 0-9
•Backspace
•Enter
Refer to Chapter 3 for system operations using the display.
1-2.2 Printed-Circuit Board (PCB)
The ARIES’s Printed Circuit Board (PCB) contains the system’s central processing unit
(CPU) and all of the primary circuits. The PCB is packaged separately and shipped inside
the control-unit's enclosure. Figure 1-3 shows the layout of the PCB, including terminals
for external components, the operator interface, and connectors.
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