Your Blu-ray disc player has a security lock feature to help prevent children and others from opening the device. When you're ready to use it, being able to unlock it quickly adds more time to your musical entertainment. Not only that, but after a while, you may not need to lock the player at all. For example, such as when children are no longer near it or if you ever decide to sell it and replace it with a newer one. In any situation, unlocking your Blu-ray player is an important process to know.
Turn on the player.
Hold down the "Play" button for 15 seconds.
Release the "Play" button when "Unlock" appears on the display.
If you decide to sell your old Blu-ray player and upgrade, let the new owner know about the unlocking/locking procedure. This feature also makes a good selling point. Several Blu-ray players have similar steps; please refer to your product owner's manual for precise lock/unlocking instructions.
Your Blu-ray player can be opened by anyone who knows the unlocking process. Guard the unlocking procedure information around those whom you don't want tampering with the device. If you can't open your Blu-ray player and "Tlk On" appears, it's not locked; it has malfunctioned, in which case contact the manufacturer or retailer for service.