Chapter 1: Introduction
P/N 3102309-EN • REV 001 • ISS 18JUL19 3
Table 1: User interface command controls and indicators descriptions
Control/Indicator Description
Alarm LED The LED serves as a common alarm event indicator.
Trouble LED The LED serves as a common trouble event indicator.
CPU Fail LED The LED indicates that the CPU has detected a processor failure. Processor failures
must be reset manually using the Reset button.
A steady LED indicates that the CPU Fail
pseudo point is active. An off LED indicates that CPU communications has been
restored.
Power On LED The LED indicates the power status for the control unit. The indicator is set by the
selected market.
Power Always On: A steady LED indicates that either primary power or standby power
are present. An off LED indicates that both primary power and standby power are
missing.
Power Follows AC: A steady LED indicates that primary power is present and off when
primary power is missing. An off LED indicates that standby power is present or is
missing.
Power Only If Available AC and Battery: A steady LED indicates that both primary
power and standby power are present. An off LED indicates that either primary power or
standby power are missing.
LCD screen The LCD screen display provides information relevant to the current condition of the
control unit, as well as operator controls. See “LCD screen indications” on page 5 for
details on the LCD screen.
Panel Silence button and
LED (button one default
label and setting)
This configurable button is programmed by default as Panel Silence.
The button can be configured as:
Panel Silence: For local systems, pressing the Panel Silence button turns the operator
alert signal off and acknowledges all events have been reviewed.
For proprietary systems, the Panel Silence button is not operational. The operator alert
signal only silences after each event has been individually acknowledged in the order
displayed.
The Panel Silence LED turns on as white while the button is pressed. When the button is
released, the LED is on steady as yellow, indicating the control unit is in an off-normal
condition and the control unit
has been placed in Panel Silence mode, and turns off when
the system returns to normal.
Drill: Pressing the Fire Drill button activates the system drill response. Pressing the
button a second time cancels the drill response.
The LED turns on as white while the button is pressed. When the button is released, the
LED is on steady as yellow, indicating that the command function is active, and turns off
when the function ends.
Alternate Alarm Sensitivity: Smoke detectors can operate using two levels of
sensitivity: primary and alternate. Pressing the Alternate Sensitivity button switches
Signature detectors to their alternate operating settings. Pressing the button a second
time switches them back to primary sensitivity levels.
The LED turns on as white while the button is pressed. When the button is released, the
LED is on steady as yellow, indicating that the command function is active, and turns off
when the function ends.
Acknowledge: Pressing the Acknowledge button acknowledges events.
For proprietary systems, pressing the Acknowledge button acknowledges an event and
turns the operator alert signal off when each event has been individually acknowledged in
the order displayed.
The LED turns on as white while the button is pressed. When the button is released, the
LED is on steady as yellow, indicating that the command function is active, and turns off
when the system returns to normal.
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