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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 and Solar Siren. If this feature is enabled, and the radio channel is
jammed continuously for 30 seconds, when the system is armed, the Solar Siren
will emit a pre-alarm series of rapid bleeps for 3 seconds. If the jamming
continues for a further 10 seconds or more a full alarm condition will occur. In
addition if the system is jammed for more than three periods of 10 seconds in a
5 minute interval, this will also generate a Full Alarm condition.
The jamming detection features in the Control Panel and Solar Siren operate
independently.
The Jamming Detection circuit is designed to permanently scan for jamming
signals. However, it is possible that it may detect other local radio interference
operating legally or illegally on the same frequency. If it is planned to operate
the jamming detection feature we recommend that the system is monitored for
false jamming alarms for at least 2 weeks prior to leaving the Jamming
Detection function permanently enabled.
BATTERY MONITORING
In addition to the battery monitor and low-battery indicators in each device, the
Control Panel will also indicate a low battery status within any Passive Infra-Red
or Magnetic Contact Detector on the system using the Event log.
Press to Listen-In via the Control Panel Microphone.
Press to stop Listen-In
Note: Listen-in will be automatically cancelled after 5 minutes if not cancelled
manually.
Press to interrogate the system status. A message playing the latest
status can be heard.
Press to show the battery status.
Press to end the remote system control and hang up the Control Panel
line.
BATTERY MONITORING
All system devices continuously monitor their battery condition. The Control
Panel also monitors the battery condition of all PIR and Magnetic detectors. If
the battery level of any device drops below acceptable levels then its low battery
indication will be activated. In addition if any PIR or Magnetic Contact detector
has a low battery status it will be recorded by the Control Panel and a message
stored in the event log.
In the event of AC adaptor being disconnected from the Control Panel, the
Control Panel by consuming the DC rechargeable battery can sustain 2 days of
normal operation (under standby mode). However, the battery for that device
should be replaced as soon as possible.
Note: Before removing the battery cover on any device to replace the battery
ensure that the system is put into Test mode to avoid initiating a Full Alarm
condition.
The low battery indication for each system component is as follows:
CONTROL PANEL
During a period of mains supply interruption the Control Panel will be powered
by the rechargeable backup batteries. Under normal battery conditions the
Power LED on the panel will flash at 1s intervals. Under low battery conditions, if
setting to the voice dialer mode, a pre-recorded message will be played once
after one hour. If setting to the digital dialer mode, a radio signal will be emitted
to the central monitoring station right away and send the signal again after 4
hours.
REMOTE CONTROL
When the Remote Control is operated under low battery conditions the transmit
LED will continue to flash after the button has been released.
Under normal battery conditions the LED will extinguish when the button is
released.
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