4.7 Control lock: OSD menu locking/unlocking

About the control lock

As described in “Control lock”, the control lock can be enabled to avoid unwanted access. When the OSD is locked, pressing the key after unlocking the keyboard will not activate the OSD menu, but will make the OSD lock window appear. The OSD menu can only be accessed after pressing a sequence of keys.

Image 4–5
To lock/unlock the menu
  1. Unlock the keyboard (see “Keyboard locking/unlocking”)
  2. Press the key.
  3. When the OSD lock window appears, press the following key sequence to unlock the OSD menu:

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