System Options Menu
Page 88
Sounder and siren operation
The behaviour of internal sounders and external sirens is described in Table 11.
Table 11: Sounder and Siren Operation
Unconfirmed alarm: internal sounders and sirens start
immediately and run for the Siren Time (see page 77).
Confirmed alarm: the control unit restarts the sirens and
internal sounders, which run for the full Siren Time, even if
that had expired earlier.
Unconfirmed alarm: the internal sounders start immediately
and run for the Siren Time.
Confirmed alarm: the control unit waits for any Siren Delay
(see page 77), and then starts both the internal sounders
and the external sirens. These both run for the Siren Time.
Unconfirmed alarm: No sounders or sirens.
Confirmed alarm: the control unit waits for any Siren Delay,
and then starts both internal sounders and external sirens.
These both run for the Siren Time.
Siren On
Unconfirm
The control unit operates the siren for all alarms (and overrides any Siren Delay).
Confirm
When the system is set, the control unit does not activate the siren(s) until a
confirmed alarm occurs.
The behaviour of internal sounders and external sirens is described in Table 11.
Unconfirmed Reset
This is available for only for UK control units and when Confirmation Mode is set to DD243
or BS8243. The setting for this option overrides System Options - User Reset – Zone
Alarms (see page 85).
User
The user can reset after an unconfirmed alarm.
Installer
The user cannot reset after an unconfirmed alarm; the installer must do it.
Note:
If a user silences an alarm within the Abort Time (page 95), the alarm will not
require an installer reset.
These options apply to intruder alarms only and not to Hold-Up Alarms.
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