Dell 1800MP Projector - Manual (Page 28)

28 Using Your Projector
1 1st time password input request:
a Go to Preferences menu, press Enter and then select Password to
ENABLE the password setting.
b Enable the Password function will pop-up a character screen, key in
a 4-digit number from the screen and press the ENTER button.
c To confirm, reenter the password.
d If the password verification is successful, you may resume with
accessing the projector's functions and its utilities.
2 If you have entered incorrect password, you will be given another 2
chances. After the three invalid attempts, the projector will
automatically turn off.
NOTE: If you forget your password, contact Dell or qualified service personnel.