GB-18setting the child lockThis feature prevents the electronic operation of the oven by locking the operation ofthe control panel until you have cancelled it.Please follow the steps below to set the child lock.1. Press the stop/cancel button for 3seconds. A beep will sound and theLOCK indicator will light to indicatethe microwave has set the child lock.2. To release the child lock, press thestop/cancel button again for 3 sec-onds. The LOCK indicator will go offto indicate the microwave has releasedthe child lock.1 , 2