Viewsonic PJD5550LWS 사용자 설명서

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See 

 for details.

Security Settings
• Change Password: Allows you to set or change the password.
• Power on Lock: If you enable this function, you will have to enter the password next 

time you turn on the projector.

See 

 for details.

Panel Key Lock
Disables or enables all panel key functions except Power on the projector and keys on 
the remote control. See 

 for details.

Restore settings to factory default. The following settings will still remain: Keystone, 
Language, Projector Position, High Altitude Mode, Security Settings, Remote Control 
Code.