Becker Centronic TimeControl TC511 Assembly And Operating Instructions Manual page 44

Assembly and Operating Instructions
VENTILATION/REVERSE
The ventilation/reversing position is a position of the roller shutter/venetian
blind between the upper and lower limits that can be freely selected. Using this
function, you can raise the shutter from the lower end limit until the ventilation
slits are open. The slats of the venetian blind will be turned.
Press the UP button twice in rapid succession to move to the ventilation/revers-
ing position.
Language (GB ENGL)
You can select your national language.
ASTRO SHIFT
With the astro shift setting, the astro time s and astro time t can be shifted
independently of one another (max. +/- 120 mins.).
City (LONDON when the language is set to GB ENGL)
It is important to select a city for the astro function. Select the city nearest to
where you are located.
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