Theben SELEKTA top2 Series Manual page 72

Press button ► until PIN appears on the display and confirm with the OK button.
or use button ► to change to
If NO PIN is confirmed with the OK button, the system returns to PIN.
If WITH PIN is confirmed, the current PIN appears on the display (in this case, 0000).
Press OK to confirm.
NEW PIN appears on the display. The first position flashes.
Now you can use button ► to select numbers 1 to 9 for the first position and
press OK to confirm.
Then select the second position, and so on. Keep confirming until the system returns to the previous
menu.
Important: The PIN is immediately valid and the time switch is locked by it.
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