Acer XD1170 - Manual (Page 31)

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User Controls
Management
(Computer / Video
Mode)
If administrator forgot “Administrator Password”, do
the following to retrieve the “Administrator Password”:
1. Press “MENU” for more than 4 seconds when
any of “Enter Password” or “Enter Administrator
Password” dialogue is currently displayed.
2. Write down the “Unlock ID” and contact with Acer
service center. They will give you new Administrator
Password according to the Unlock ID.
3. Once the new “Administrator Password” retrieved
from Acer has been logged into the projector, old
“Administrator Password” will be replaced by the
new password.
Reset
Press the button after choosing “Yes” to return the display
parameters on all menus to the factory default settings.