3-LCD operating instructions
2.22 EST3 System Operation Manual
Changing the smoke detector sensitivity level
Smoke detectors can operate using two levels of sensitivity,
called primary sensitivity and alternate sensitivity. The system
configures smoke detectors to use their primary sensitivity level
(typically, less sensitive) during normal business hours. A time
control then reconfigures the smoke detectors to use their
alternate sensitivity level (typically, more sensitive) after hours
when the premises are unoccupied.
You can use menu commands to manually switch between
sensitivity levels as required. To change to the alternate
sensitivity level, you activate alternate sensitivity. To change to
primary sensitivity level, you restore primary sensitivity.
Note: You should be able to get a list of the primary and
alternate sensitivity setting for each smoke detector from the
company that installed the system.
To change to alternate sensitivity level:
1. Press the Command Menus button , then choose Activate.
2. Choose Alt. Sensitivity.
3. If prompted, enter a valid user access level password.
To change to primary sensitivity level:
1. Press the Command Menus button , then choose Restore.
2. Choose Primary Sensitivity.
3. If prompted, enter a valid user access level password.
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