EST LSS4 - Page 87

System Operation
Operation
Label
Normal
Alarm
Trouble
Supervisory
Zone Alarm
Zone
Trouble*
Notification
Circuit Trbl
System
Status
4.2
Type
Operationofthe LSS4 varies with each site-specific configuration.
Typical operation/ functionof all system controlsand indicators is
includedin Table4-1 toTable 4-5. Additional operator's information is
included at the end of this section.
GreenLED
RedLED
Table4-1: LSS4 Panel Indicators
YellowLED
Piezoelectric Buzzer
YellowCED
RedLED if zone configuredas
an alarm zone
YellowLED if zone configured
asa supervisory alarm zone
YellowLED
Pulsing YellowLED
Solid YellowLED
Seven SegmentLED Display
Function
On - System operating normally
Systemin alarm condition
System in trouble condition
Systemin supervisory condition
Zone in alarm condition. PulsingLED indicates
not silenced . SteadyLED indicates silenced.
Alternating Red/Green LEDs indicates zone
verificationin progress
Zonein supervisory condition
Zone circuit open/disabledor walk test in
progress
Notification appliance circuit openor shorted.
NAC outputon.
See system display code Table 4-2.
Note: *European mode causesa trouble conditionona shorted IDC.
LSS4 installation, Operation,and Maintenance Manual