176 Solution Ultima 844/862/880 Installation Manual
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Silent Alarm
A zone programmed to be silent will not activate the horn speaker, bell strobe or EDMSAT outputs.
The dialler and all other programmable outputs will function as per their particular programming.
Sensor Watch
Sensor watch gives the control panel the ability to recognise that detection devices may have stopped
working. This is a feature that monitors the operation of a zone over a programmed time period.
Refer to "LOCATION 420 - 421" on page 218 for programming sensor watch time.
This value determines how many 24 hour periods a zone may remain continuously sealed before it
registers as a sensor watch fault. The number of hours required to fulfil these 24-hour periods is only
calculated while the system is in the disarmed state. Every time the system is armed in AWAY Mode,
STAY Mode 1 or STAY Mode 2, the sensor watch timer pauses calculating. Sensor watch timer will
continue calculating the next time the system has been disarmed.
Refer to LOCATION 333 - 334 on page 186 if you wish to disable sensor watch reports.
Example
If the sensor watch time is programmed for two days in a situation where a premises is armed for
twelve hours and disarmed for twelve hours each day, it will take four days before a zone can register
as a faulty sensor watch zone.
ISSUE162.DOC Electronics Design and Manufacturing Pty Limited
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