LG CineBeam HU715QW Owner's Manual page 129

80
Restoring the Default Settings
(Q. Settings) →
Return projector to its initial settings. This will revert all settings to their default values.
After reset, the projector will automatically turn off and on.
•
If [Safety] is set to [On], you should type the password to [Reset to Initial
Settings].
• Do not turn off the power during initialization.
•
We recommended that you reset the projector to [Reset to Initial Settings]
before you sell it or transfer it to a third party.
→ [General] → [System] → [Reset to Initial Settings]