Acer PD126D series - Manual (Page 32)

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The projector provide two options of "Security Mode".
Select “Request password only after plugging
power cord”, the project will request user to input
password only for the first time plugging on
power cord of the projector.
Select “Always request password while projector
turns on”, user have to input password every
time when switching on the projector.
Administrator Password
“Administrator Password” can be accepted by both “Enter
Administrator Password” and “Enter Password” dialogues.
Press to change “Administrator Password”.
The factory default of “Administrator Password”
is “1234”.
Management
(Computer / Video
Mode)
User Controls