Acer PD311 series User Manual page 28

User Controls
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Lamp Hour Reset
Press the button after choosing "Yes "to turn the lamp hour
counter to 0 hours.
Security
Press to start "Security" setting. If the "Security" function is
enabled, you must enter "Administrator Password" first before
Security setting.
Security
This projector provides an excellent security function
for the administrator to manage the usage of the projec-
tor.
Select "On" to enable the security function. User have

to enter password depending on the "Security Mode"
defined while setting "User Password". Please refer
to "User Password" section for details.
Select "Off" then user can switch on the projector

without password request.
Once the security function is enabled, the projector
will request user to enter password when switch on
the projector. Both "User Password" and "Adminis-
trator Password" can be accepted for this dialogue.
Management
(Computer / Video
Mode)