F&F BIS-409, Быстрый старт

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» Subsequent pressings of a button repeat the sequence 0-1-2.
»
Pressing the button again in less than 5 seconds repeats sequ-
ences 1-2.
» Pressing the button again aft er more than 5 seconds opens
both contacts (sequence 0).
»
A long press of the button – in any sequence – opens both
contacts (sequence 0).
»
After switching off both relays, pressing the button again re-
stores the state from before switching off (state memory). This
does not apply to relay power failure.