3 
 
 
Table 1-1. Components of the Operator Interface (continued) 
System Warning Keys and 
LEDs 
The System Warning LEDs – Supervisory and 
Trouble – indicate when abnormal, non-fire 
conditions occur to the fire alarm’s wiring or devices.  
The System Warning keys – SUPV ACK and 
TROUBLE ACK – allow an operator to acknowledge 
the presence of the abnormal condition. 
Chapter 3 for 
Troubles.   
 
Chapter 4 for 
Supervisory 
Conditions 
Pressing this key directs the panel to reset all 
attached devices and clear all acknowledged 
alarms, troubles, and supervisory conditions. 
Indicates the presence of AC power at the panel. 
Used to display the time at which an acknowledged 
alarm, trouble, or supervisory condition occurred. 
Used to call up points for monitoring and control. 
Facility-Specific Control 
Keys 
These are programmable keys.  Typical functions 
include manual evacuation, ground fault monitor, 
etc. 
Pressing these keys allows you to enable or disable 
devices attached to the panel. 
Pressing these keys allows you to force a device 
(such as a relay) ON or OFF.  The Auto key returns 
control of the device to the panel. 
Used with security points.  These keys allow you to 
turn security devices on (arm) or off (disarm). 
Displays text describing abnormal conditions for 
devices attached to the panel (i.e., smoke detector 
in main lobby is in alarm).  Also displays system 
prompts and messages. 
 
Important Note:  The degree to which you are allowed to control the system depends on the passcode 
assigned to you.  See “Logging in and Out of the System” for details on this. 
 
 
 
 
 
 
 
 
 
   
Basic System Description, Continued