Siemens 7LF4 531-0 Operating Instructions Manual page 18

Programming - Programming examples
a
The timer is to switch on at sunset on each day of the week and
switch off at sunrise.
b
The timer is to switch on at sunset on each day of the week and switch off at sunrise. In addition, it is to be switched off each night
between 23:00h and 5:00h. This requires the use of two programs.
Program 1: ON at sunset and OFF at 23:00h
Program 2: ON at 5:00h and OFF at sunrise.
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Select the appropriate symbol with the PLUS and MINUS keys:
Einschalten bei Sonnenuntergang
ON at sunset
Ausschalten bei Sonnenaufgang
OFF at sunrise
Ein- / Ausschalten gemäss Schaltzeiteingabe
ON/OFF at programmed time