Dell M410HD User Manual page 38

Enabling the Password function will pop up a character screen,
b
key in a 4-digit number from the screen and press
To confirm, enter the password again.
c
If the password verification is successful, you may resume with
d
accessing the projector's functions and its utilities.
If you have entered an incorrect password, you will be given
2
another 2 chances. After the three invalid attempts, the
projector will automatically turn off.
NOTE:
personnel.
To disable the password function, select Off to disable the
3
function.
To delete the password, select Delete.
4
38 Using Your Projector
If you forget your password, contact DELL™ or qualified service
.