©
CIAS Elettronica S.r.l.
Ed.
2.0
Installation Manual
Pag. 40 of 46
Murena Plus 12, 24, Curtain
c) Rotate function switch
SW1 to Position 3
, and it is possible to read and/or modify
the
Pre-alarm threshold
. When the target dimensions pass the pre-alarm threshold
the Murena Plus will activate the fuzzy analysis of the signal.
Led
DL1
Æ
DL6
will display the level of the target dimensions, 3 led on indicating 50%
of the maximum dimensions achievable (the dimensions of an average size man is
equivalent to about 50)
To Read
the pre-alarm threshold value:
•
Rotate function switch SW2 (units) until the red led (DL9) comes on. Note the
position of SW2.
•
Rotate function switch SW3 (tens) until the red led (DL8) comes on. Note the
position of SW3.
The values read on these switches varies between 01 and 99,
default of 20
for Murena Plus, Murena 24
.
15-30 for Murena Plus Curtain.
10-15 for Murena Plus Curtain installed as Rain.
To Modify
the pre-alarm threshold value:
•
Rotate switches SW3 (tens) and SW2 (units) to the value required.
•
Press S1 to confirm the setting and to acquire the new threshold value.
To increase the sensitivity set a lower value
minimum recommended 5
. During
normal operation the value of the pre-alarm threshold must not be higher the
value of the minimum target dimension threshold.
NB:
The value of
pre-alarm threshold must be less or equal
to the value
of the
minimum size of the target
d) Rotate function switch
SW1 to Position 4
, and it is possible to read and/or modify
the
Alarm threshold.
The alarm threshold is used to determine whether, at the end
of the analysis process, there is a large enough signal to generate an alarm.
To Read
the alarm threshold value:
•
Rotate function switch SW2 (units) until the red led (DL9) comes on. Note the
position of SW2.
•
Rotate function switch SW3 (tens) until the red led (DL8) comes on. Note the
position of SW3.
The values read on these switches vary between 01 and 99 (
default of 50).
To Modify
the alarm threshold value:
•
Rotate switches SW3 (tens) and SW2 (units) to the value required.
•
Press S1 to confirm the setting and to acquire the new threshold value.
To increase the sensitivity set a lower value. To decrease the sensitivity set a
higher value.
During this phase (
SW1 in Position 4
) it is possible to make a
Walk-Test.
Any disturbance
in the protection field that exceeds the characteristics set up and validated by the analysis
process will activate the buzzer with an intermittent sound, while led
DL1
Æ
DL6
will indicate
the level reached by the alarm analysis process. When this reaches the level that will
generate the alarm the buzzer will activate continuously and all six led will come on.
