AOC L15X421, L20S421, L20W421 user manual Child Lock

4.Sleep Timer: Set the sleeping timer and the alert function which indicates the time left.

5.Closed Caption (CC) setting: Select CC1~CC4, TXT1~TXT4 or OFF.

6.Reset: It is used to reset the OSD settings.

When the input source is in PC or Component mode, you can select Source OSD, Language, Timers and Reset to default; shown in the figure below:

Source OSD, Language, Timers and Reset to default options are operated similarly as the above instructions!

Child Lock

When the input source is in TV, AV1 or S-Video mode, V-Chip level can be set. You can enter the Child Lock setting only when the Child Lock is ON. When you enter the Child Lock setting, a message on the display will prompt you to enter password:

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