Dell M900HD User Manual page 31

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security feature will be activated the next time you turn on the
projector. If you enable this feature, you will be asked to enter
the projector's password after you turn on the projector:
1
First time password input request:
a Go to Menu Settings, press
the password settings.
b Enabling the Password function will pop up a change screen. Key in
a 4-digit number from the screen and press
c
To confirm, enter the password again.
d
If the password verification is successful, you may resume
with accessing the projector's functions and its utilities.
2
If you have entered an incorrect password, you will be given two
more chances. After three invalid attempts, the projector will
automatically turn off.
NOTE:
If you forget your password, contact DELL or a
qualified service person.
3
To disable the password function, select the Disable option to
close the function.
and then select Password to Enable
.
Using Your Projector 31