Projectors have now entered millions of families, and many parents have added projectors to their homes to facilitate children’s learning and use. However, the content on the projector is rich, and some are not suitable for children to watch. In this way, many projectors have added the function of child lock, andAcer HE-4K15 Projector is no exception. In this guide, it will teach you how to set the child lock of Acer HE-4K15 Projector.

How to Set up Control Panel Lock on Acer HE-4K15 Projector

• Off:

Allows all keys on the control panel to operate normally.

• Child Lock:

Disables the Power key on the control panel when the projector is in standby mode to prevent it from being accidentally turned on. To turn the projector on, press and hold the Power key for 3 seconds.

• Full Lock:

Disables all keys on the control panel. If you turn off the projector without disabling the Full Lock function, the projector will still be in locked status the next time it is turned on. To disable Full Lock function, press and hold “POWER” on the control panel for 7 seconds and the Control Panel Lock will be set to “Off”. When the projector is in standby mode, press and hold “POWER” on the control panel for 7 seconds to turn the projector on and the Control Panel Lock will be set to “Off”.

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