HomeMatic HM-Sec-Key Mounting Instruction And Operating Manual page 41

"Locked" setting:
Briefly press the button "Unlock" (D), the drive moves 90 degrees with each
press of the button toward "Unlock". This move can be made multiple times.
Briefly press the button "Lock" (F), the drive moves 90 degrees with each press
of the button toward "Lock". This move can be made multiple times.
Press the button "Setup" (C), the move to programmed setting "Unlocked" is
started. The display shows "4" for menu point 4 (setting "holding time for door
latch"). The unlocking symbol flashes.
The holding time for the door latch can be set for the "Open door" function now. In this
case, note that the extended holding time also increases battery consumption.
Holding time:
Briefly press the button "Unlock" (D), the holding time is extended (approx. 2.5
seconds).
Briefly press the button "Lock" (F) to set a short holding time.
Briefly press the button "Setup" (C).
Now, all settings are saved, the door lock drive unlocks the lock and moves it to the
neutral position.
The display shows the symbol "Unlocked" and "M".
This completes the basic settings.
Start-up
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