Integra CALEC ST II Montage- Und Bedienungsanleitung Seite 55

The two red plugs 3) are used to secure the two screws in the front cover.
Unauthorised opening of the device can be detected if these safety caps have been
installed.
Removing the protective caps:
Pierce with a sharp tool and lever them out. This damages the cap, which needs
to be replaced.
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CALEC ST II
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