HomeMatic HM-Sec-Key Mounting Instruction And Operating Manual page 44

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6.3.2 Deleting taught-in remote controls
To delete a taught-in remote control, proceed as follows:
• Press the bottom button "Lock" (F) for approx. 2 seconds.
Another long press of the button "Lock" (press button for approx. 2 seconds)
ends the deletion procedure, without deleting a memory location (e.g. if the
button has been actuated accidentally). If no button actuation occurs for 3
minutes after calling the menu, the menu is exited automatically without
deleting a memory location.
The LC display shows "X", the symbols for radio reception and "Lock" flash.
• Now, take the "Master" remote control and press any button (button must be
already assigned to the KeyMatic) until the "X" disappears and the first
memory location appears.
• Select the memory location to be deleted, e.g. "3" on the door lock drive with
the button "Lock" or "Unlock".
• In order to delete the selected memory location, briefly press the small
"Setup" (C) button on the door lock drive.
• When the deletion is successful, the menu is exited with three short tone
signals.
The door lock drive can no longer be operated with the deleted remote control.
If a lost or stolen remote control is found again, it can be taught-in to the door
lock drive as described in sec. „6.3.1 Teaching-in remote controls and buttons"
on page 42. Since copying the remote control is not possible, there is no
reason not to continue using it as usual.
Only the occupied memory slots are shown when deleting. If no remote controls
have been taught-in (factory status) or only the "Master" remote control is
taught-in, the display shows the message "M". Deleting the "Master" remote
control (memory location "1") is not possible here.
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