Becker Centronic SensorControl SC431 Notice D'utilisation page 19

To do so, the encoding switch should be set as follows:
Sun protection function
Note
After adjusting the treshold values, put encoding switch 4 on OFF
again.
Sun protection function
The sun threshold value is preset to a mean value.
The sun threshold setting ranges from very overcast (left switch position) to di-
rect sunlight.
Sun threshold value is exceeded for longer the 3 min.  Shutter is closed.
Sun threshold value is not reached for longer than 15 min.  Shutter is
opened.
Twilight function
The twilight threshold setting ranges from darkness (left switch position) to early
twilight.
Twilight threshold value is not reached  Shutter is closed.
Note
The default setting for the twilight function is OFF (Encoding switch
2).
Broken glass function
If the window pane is broken, the broken glass sensor will be activated, causing
the shutter to be adjusted into the lower fi nal position.
Note
The default setting for the broken glass function is OFF (Encoding
switch 3).
Twilight function
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