How to connect and lock the detachable cord on the Technics EAH-DJ1200

  1. Locate the headphone cord connection on the earcup.
  2. Insert the detachable cord plug into the headphone connection.
  3. Push the plug in securely.
  4. Turn the detachable cord connector to the Lock position as shown in the manual.
  5. Confirm that the cord is securely locked before using the headphones.

For more information refer to Operating Manual it identifies this feature as the Locking Detachable Cord and shows the Lock position in the connection diagram.