Becker Centronic TimeControl TC511 Montage- Und Betriebsanleitung Seite 58

Assembly and Operating Instructions
SETTING
SUMMER/WINTER (Automatic clock adjustment for daylight saving changes)
1. You have confirmed the TIME ZONE function. SUMMER/WINTER will appear.
2. You can switch SUMMER/WINTER on or off using the +/- button.
3. Confirm your selection by pressing OK.
4. Press the MENU button to switch to operating mode.
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