Ten-Haaft SunMover Operating Instructions Manual page 42

SR at (SunRise):
Auswahl –10 bis +20 (in °).
The sun generally rises from the horizon at an elevation of 0°. However, some time
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beforehand it starts to get light in the direction of where the sun is going to rise.
The solar panel can use this light to achieve a certain yield. Therefore the default
setting has been set to –3°. By contrast, in mountainous areas the sun may not rise
from behind a mountain until it reaches an elevation of +20°.
You can use this setting to specify the elevation the sun needs to reach before the
system recognises it as a "sunrise".
SS at (SunSet):
Selection –10 to +20 (in °).
The same applies here as to the sunrise, albeit in relation to the sun going down.
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