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LATCH KEY
When the system is Disarmed the Latch Key facility,
if enabled, will call the first Latch Key phone number
and replay the user message (recorded under latch
key setup) for the set ‘Play Time’. The recipient must
acknowledge the message by pressing the button on
their telephone keypad. If the call is unanswered or
an acknowledgment is not received then the second
Latch Key phone number will be called. The Voice
Dialler will continue calling each number in turn until
each number has been dialled the set number of
times or the sequence is cancelled/acknowledged by
the recipient.
For example, the Latch Key facility is useful to inform
parents that a child has returned from school and
Disarmed the system.
REMOTE PHONE ACCESS
AND CONTROL
It is possible to dial into the system via the connected
telephone line to interrogate the system status and to
have basic control over the system, (e.g. to Arm and
Disarm the system). You may also activate the
microphone on the Control Panel to Listen-In to what
is happening in the protected property.
TAMPER PROTECTION
All system devices (except any Remote Control
Units) incorporate Tamper protection features to
protect against unauthorised attempts to interfere
with the device.
Any attempt to remove the battery cover from any
device (except a Remote Control) or to remove the
Solar Siren or Control Panel from the wall will trigger
the alarm even if the system is Disarmed (unless the
system is in Test or Program modes).
JAMMING DETECTION
In order to detect any attempts to illegally jam the
radio channel used by your alarm system, a special
jamming detection function is incorporated into the
Control Panel. If this feature is enabled, an alarm
will be triggered if the radio channel is jammed
continuously for more than 30 seconds or if the
system is jammed for more than 3 periods of
10 seconds in a 5 minute period. At full alarm it will
beep for 3 seconds and will alarm after 10 seconds,
at Part Arm it will beep for 3 seconds.
The jamming detection circuit will constantly scan for
jamming signals. However, it will also detect and
could in extreme cases be triggered by radio signals
from other radio equipment within range operating on
the same frequency which would not interfere with
the normal operation of your alarm.
When activating jamming detection the system
should be monitored carefully for false jamming
alarms for at least 2 weeks before leaving the
Jamming Detection function permanently enabled.
BATTERY MONITORING
All devices powered by non-rechargeable batteries
incorporate a battery level monitoring feature which
will warn of a low battery status.
In addition the Control Panel will also indicate a low
battery status on any PIR (Passive Infra-Red) or
Magnetic Door/Window Detector on the system.
The batteries on any device indicating a low battery
status should be replaced immediately.
If you are planning to operate the Jamming
Detection feature we recommend that you wait
at least 30 days before activating this feature to
allow time for you to become familiar with the
operation of your system.
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