Chapter 1: System operation
EST iO64 and iO500 Technical Reference Manual 3
Operation overview
Front panel display
The front panel display is the user interface for the control panel.
The display is comprised of the LCD display, LED indicators, and
control buttons, which are used to operate and program the panel.
Front panel display layout
LCD
display
System
LEDs
Control
buttons
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Control panel operations
The control panel operates in either normal mode or off-normal
mode.
Normal mode
The panel operates in normal mode in the absence of any alarm,
supervisory, trouble, or monitor events. In normal mode, the control
panel monitors the system.
Off-normal mode
The panel operates in off-normal mode any time an event is
introduced into the system. When this happens, the panel: