Operation Mode
Operator's Handbook, AutroSafe Interactive Fire Alarm System, Release 3, ASAFE-FO/FE Rev. E, 021105,
Autronica Fire and Security AS
Page 15
3.2 Conditions in Operation Mode
In Operation Mode, the system can be in
quiescent
condition (lowest
priority), or the system can be in one or any combination of the
following
conditions
:
•
fire alarm condition (highest priority)
•
fire warning condition (
including
prealarm)
•
fault warning condition
•
disablement condition
•
test condition
3.3 Alarm Levels
A detector may signal different levels of alarm, indicating the amount
of smoke or gas currently present. These are;
•
Fire Alarm Level (the highest level)
•
Fire Warning,
including
:
- Prealarm Level
- Early Warning
Whenever a detector detects a transition from one alarm level to
another, this event is reported to the system as an Early Warning,
Prealarm or Fire Alarm signal, which in turn will initiate the appropriate
actions.
3.4 Access Levels
All user interface controls are classified as belonging to one of the four
different access levels described below:
Access
Level
Access Remedy
Description
1
No key or password
required.
Accessible by members of the general public. All mandatory
indications are visible at access level 1 without prior manual
intervention.
2
Access by key.
Accessible by persons having a specified responsibility for
safety.
3
Password restricted. Accessible by persons trained and authorized to do
reconfiguration of site specific data and maintenance
according to the manufacturer’s published instruction.
4
Mechanical tool.
Accessible by persons doing repair work and changing
firmware.
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