19 of 288.3 Lock Against ChangeIt is possible to protect the configuration of a single-cable outlet against unauthorised changes byusing a pin code. The state of the Lock against change is shown by means of the lock symbol in thetop right-hand corner of the user interface.Lock Against Change Iconnot active, no pin code (factory setting)activeunlocked to edit the configuration after the pin code hasbeen enteredTip ► If you happen to forget the pin code, reset the single-cable outlet to its factory settingsin order to edit its configuration; see Resetting a Single-cable Outlet, p. 21. Note thatthe configuration of the user bands will also be reset.8.3.1 Activating Lock Against Change1. Configure a single-cable outlet as described in Programming a Single-cable Outlet Using theApp, p. 16f .2. Press (① in the figure below).➯ The numeric keyboard appears (② in the figure below).3. Enter a four-digit pin code and tap Save pin code (③ in the figure below).➯ The pin code is saved, the Lock against change is active.123