Detnov CCD-020, Installation Manual

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6.2. Audible indicators
A. Alarm indicator:
When an alarm situation occurs, the internal buzzer is activated continuously.
B. Fault indicator
If a fault occurs and there is no alarm, the buzzer is activated intermittently. Remember
that the alarm audible indicators take priority over the fault indicators.
C. System fault indicator
In this situation, the internal buzzer is activated continuously.
6.3. Control keys
A. Zone keys
The zone keys connect and disconnect the corresponding zone or put it in test mode.
When pressed once, the corresponding zone is put in test mode, when pressed twice,
the zone is disabled. If a zone is disabled, the DISABLE indicator and the corresponding
FAULT/DISABLE/TEST indicator will be activated. See point G in this section.
B. Test
Holding down this key for a few seconds will make all of the indicators light up for
a few seconds and, if there is any type of fault, this will be displayed immediately. If
the control panel is in test mode, pressing this key will return it to standby mode. See
point G in this section.
C. Activate sounders
This immediately activates the sounders. In this case, the time delay configuration of
the sounders is overridden if configured. See point G in this section.