Autronica BS-320 User's Guide download pdf (Page 17)

Operation Mode

Operator's Handbook, AutroSafe Interactive Fire Alarm System, Release 3, ASAFE-FO/FE Rev. I, 2009-02-27,

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 and early warning)

• 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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