Theben TR 644 top2 Installation And Operating Instructions Manual page 20

– Fixed switch-offs (e.g. nighttime interruption) and switch-ons can also be entered as weekly
program in order to superimpose the astronomical times entirely or partially.
Example: The standard program switches on the street lighting in dependence of the astro
times. A nighttime interruption is programmed from 23:00 hrs to 04:00 hrs.
Extra program 1 is active within the date range from April 30, 12:00 hrs until May 12:00
hrs. To ensure that the street lighting remains switched on all night no nighttime interruption is
programmed in the extra program 1.
• Extra program P15
– Function: Permanently ON
– Active in the programmed date ranges
• Extra program P16
– Function: Permanently OFF
– Active in the programmed date ranges
Example: The car park lighting is switched on and off at fixed times or Monday to Friday
according to astro times. The extra program P 16 Permanently Off ensures that the car park
lighting is not switched on on any public holidays.
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