How to unlock and remove the detachable cord from the Technics EAH-DJ1200

1. Hold the detachable cord connector at the headphone connection.
2. Turn the connector out of the Lock position.
3. Once unlocked, carefully pull the detachable cord plug out of the headphone connection.
4. Hold the connector when removing it rather than pulling directly on the cord.

The manual illustrates the detachable cord locking mechanism and identifies the Lock position.