1. Introduction
In a part setting system, the four LEDs
on the right of the programming keys
show you whether the system is set or
unset: The left hand LED glows when the
system is full set, the other LEDs glow
when the system is in one of the part set
states.
In a partitioned system these LEDs are
not used.
Note that the installer can disable these LEDs in order to hide the
state of the system (to comply with EN50131). In addition, in a
Security Grade 2 installation the installer may have programmed
the LEDs to glow for 30s immediately after setting, and then to go
out.
Detectors or Zones?
When talking about alarm systems, people tend to use the words
"detectors" and "zones" interchangeably. Most of the time this
doesn‟t matter, but occasionally it can cause some confusion. In
this book a "detector" is a physical piece of equipment that
signals some event. A "zone" is how the keypad reports the
location of the detector.
The reason for this is that an installer may connect several
detectors together to guard one "zone" (an area of a building for
example). The control unit cannot tell that this has happened, so
it is easier for the keypad to report an alarm from a "zone". Most
of the time there is only one detector per zone, especially with
radio detectors.
Users
Types of User
The control unit provides for seven different types of user:
Master User This user can add any other user to the system, edit
them, or remove them. There is always (at least) one master
user: User 001 (User 01 on i-on30EX and i-on40.) Master users
can create or delete all other user types, including other master
users. No user can delete User 001 (01) or change a master
Page 8
i-on40 & i-onEX Range
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