Theben Luna 129 Operating Instructions Manual - page 10
P
Prre
ecco
on
nd
diittiio
on
n::
This must be done after 12:00 noon,
generally in the evening when the desired ON/OFF
threshold has been reached.
1
1.. Press and hold the TTe
esstt button for at least 3 sec.
The measured brightness value is automatically
saved for the ON and OFF thresholds.
P
Prre
ecco
on
nd
diittiio
on
n::
This must be done before 12:00 noon,
generally in the morning when the twilight switch
should turn the connected lamp off.
1
1.. Press and hold the TTe
esstt button for at least 3 sec.
The measured brightness value is automatically
saved for the OFF threshold.
1
19
9..
TTe
ea
acch
h iin
n ffu
un
nccttiio
on
n
P
Prre
ecco
on
nd
diittiio
on
n::
The teach –
– in function is only
active when mains voltage is
present, since otherwise no light
measurement is possible.
FFu
un
nccttiio
on
n::
With the teach –
– in function it is possible to save the
brightness value measured at a given moment and to
use it as the basis for the ON/ OFF thresholds. This can
be done simply by pressing a button; it is not necessa-
ry to open the device.
IIn
nffo
o::
After the brightness value has been read in the measu-
red lux value is shown in the device's display.
The LED over the sensor flashes briefly.
If the measured brightness value is greater than the
measurement range (more than 200 lux), then -- -- -- -- is
displayed and 200 lux is used as the value for the ON/
OFF thresholds.
R
Re
ea
ad
diin
ng
g iin
n tth
he
e b
brriig
gh
httn
ne
essss vva
allu
ue
e ffo
orr tth
he
e O
ON
N//O
OFFFF
tth
hrre
essh
ho
olld
dss::
R
Re
ea
ad
diin
ng
g iin
n tth
he
e b
brriig
gh
httn
ne
essss vva
allu
ue
e ffo
orr tth
he
e O
OFFFF
tth
hrre
essh
ho
olld
d o
on
nllyy::
2
21
1
G
GB
B