
15
After the motion detector
has been connected and
fastened to its wall mount,
the system can be switched
on. Two setting options are
available after removing the
decorative ring
2
.
Twilight setting
The desired motion detector
response threshold can be
adjusted continuously from
approx. 2 lux to 2000 lux.
When the adjustment screw
is at the left stop position
1
,
this means daytime opera-
tion of approx. 2000 lux.
When the adjustment screw
is at the right stop position
6
, this means twilight
operation of approx. 2 lux.
(Factory setting is daytime
operation.) The adjustment
screw must be at the left
stop position when setting
the detection zone and for
the functional test in
daylight.
Switch-off delay
(time setting)
The desired period of oper-
ation of the light can be
adjusted continuously from
approx. 10 sec. to a max.
of 15 min. When the adjust-
ment screw is at the left
stop position
1
, this means
the shortest time of approx.
10 sec. When the adjust-
ment screw is at the right
stop position
6
, this means
the longest time of approx.
15 min. (factory setting is at
min.). The shortest time set-
ting is recommended when
adjusting the detection zone
and performing a functional
test.
Assuming an installation
height of 2 m, the maximum
reach of the sensor is 12 m.
Optimum adjustment of the
detection zone is possible
according to needs. The
shrouds
6
provided serve
to cover any desired num-
ber of lens segments and
individually reduce the
reach. Fine adjustment is
also possible by turning the
sensor housing
3
by ± 80°.
The shrouds
6
can be
divided vertically or horizon-
tally along the grooved divi-
sions, or cut with scissors
6
. After removing the deco-
rative ring
2
, the shrouds
are to be suspended on the
upper part of the sensor
lens. The decorative ring
2
is subsequently to be reap-
plied and the shrouds
6
are
fixed firmly in place. False
switching by cars and
pedestrians, etc. is there-
fore ruled out, or risk areas
deliberately monitored.
Function
Reach setting/adjustment
ca. 10 sek.-max. 15 min.
approx. 10 sec - max. 15 min
2 - 2000 lux
14
Lights, alarms, and many
other things triggered by
movement - for your
convenience and safety.
Whether a house door,
garage, patio or carport,
stairs, a storeroom or cellar
are involved, this infrared
motion detector is rapidly
installed and ready for
operation anywhere.
The IS 240 DUO motion
sensor is equipped with two
120° pyro sensors which
detect the invisible heat
emitted by moving objects
(pedestrians, animals etc.).
The heat thus detected is
electronically converted and
switches on connected con-
sumers (e.g. a light). No heat
radiation is detected through
obstacles, such as walls or
glass and no switching
therefore occurs. The two
pyro sensors have a detec-
tion angle of 240° with an
opening angle of 180°.
Area monitored
approx. 200 m
2
Reach max. 12 m
Principle
Important: the safest
motion detection is
obtained when the device is
mounted and aligned later-
ally to the walking direction
and no obstacles (such as
trees and walls, for exam-
ple) obstruct the view.
approx. 5 m max. 12 m
IS240Duo_10spr_neu 24.08.2011 14:31 Uhr Seite 15
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