ADT SERIES 4250, Руководство пользователя

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Keypad LED status indicator
The LED on the keypad changes colour depending on the
status of the alarm system. The colours are designated as
follows:
RED: System is in FULL SET mode
(Armed).
YELLOW: System is in PART SET mode
(Partially armed).
GREEN: System is in UNSET mode
(Switched off).
FLASHING RED: An alarm has occurred whilst
system was in FULL SET mode.
FLASHING GREEN: Mains power supply has failed.
NOTE: Battery back up is provided to power the system
during mains failure. However, if the length of
time the mains power is disrupted gives cause for
concern contact the Alarm Company Service
Department using the telephone number shown
on page 2.