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Engineering Manual
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Engineer Menu 1-5
Bell Delay or Sys Bell Dly are considered to be zero if Bells on Unconf (page 90) is
selected.
03 – Sys Bell Dur
When the Sys Bell Dly has expired, the duration of the external bell output can be
controlled by the value of this timer. This timer is used only if the system is full set and the
Global Bell Time configuration option is selected (see page 86). Otherwise, the ward Bell
Duration timer (page 61) is used.
04 – Anti Mask
A masking zone or a zone that has a masking status (page 26), must remain active for the
duration of the Anti Mask timer for a masking alert or masking outputs to activate.
05 – Line Fault
This timer delays the audible line fault indication when a telephone line fault occurs. The
display and any PSTN Line Fault outputs (page 45) are not affected.
06 – AC Off Delay
This timer delays the AC Mains Fault alert and outputs programmed as Mains Power Off
(page 45) when the mains power is removed.
07 – Soak Test
This timer determines the length of time that a Soak Test (page 28) is applied to a zone. If
the timer is set to 000, zones will remain on test until the Soak Test attribute is removed.
08 – Exit Settle
Detectors that are on the exit route sometimes take several seconds to settle after
activation. This timer is used to provide a delay to ensure that detectors used by Final Exit
(page 23) or Exit Terminator (page 23) zones are not still active when the panel sets the
ward.
09 – 2nd Entry Dly
When a ward Entry Delay timer (page 61) has expired, the 2nd Entry Dly timer starts to
count down. If at the end of this time the ward has not been unset, a full alarm (page 22)
is generated for the relevant ward, unless overridden by option 1-8-4 (page 83).
10 – Double Knock
This is the “Double Knock” time window in which a specified number of zone activations
must occur to generate an alarm condition, or the zone must remain active for the whole
duration of this time to generate an alarm condition. This applies only to zones that have
the Double Knock attribute (page 28).
The number of zone activations needed is determined by the Double Knocks counter
(page 65).
11 – Abort Period
This timer controls the duration of the output types Alarm Abort (system output, page 48)
or Alm Abort (ward output, page 55).
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