Acer PD726 - Manual (Page 33)

... English
User Controls
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.
Wireless
Press or to choose wireless function.
Management
(Computer / Video
Mode)
Management
(Computer / Video
Mode)