3-LCD operating instructions
EST3 System Operation Manual 2.5
Functional description of 3-LCD controls and indicators (see Figure 2-1)
Index
Control or
indicator Functional description
14 Details Button Pressing the Details button displays additional information about
the event highlighted on the display screen.
• For Zone Groups, pressing the Details button displays a list of
the active devices in the zone group.
• For Instruction Text Groups, pressing the Details button
displays the entire instruction text.
• For Maintenance Alerts, pressing the Details button displays a
list of the dirty devices.
• For Common Troubles, pressing the Details button displays a
list of the specific troubles for the selected device.
• For Guard Patrols, pressing the Details button displays the
offending station and indicates whether the activation was
caused because of an early, late, or out of sequence condition.
15 Enter key Pressing the Enter key selects the highlighted menu option or
causes the system to start processing the information shown in
the display.
16 Delete / Backspace
key
Pressing the Delete / Backspace key moves the cursor to the left
of the current position and removes the character from the
display. The Delete / Backspace key is also used to cancel
functions and move the operator back through the menus.
17 Numeric Keypad Pressing any number key selects the menu item or enters the
respective number into the system for use in conjunction with
other system functions.
18 Alarm Button / LED Pressing the Alarm button places the contents of the Alarm
queue onto the display screen for review. Active alarm events are
displayed in the order in which they are received. When an alarm
event is highlighted on the display, pressing the Alarm button
acknowledges the event and advances the display to the next
event.
The Alarm LED serves as a common alarm event indicator. The
LED, when flashing, indicates that there is an event in the queue
that has not been reviewed (local systems) or acknowledged
(proprietary systems). When on steady, the LED indicates that all
events in the queue have been reviewed or acknowledged.
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