English 24User ControlsKeystoneAdjusts image distortion caused by tilting projector. (±16 degrees)Digital Zoom4 Press the to reduce the size of an image.4 Press the to magnify an image on the projection screen.Projector IDAllows RS232 control of an individual projector. Range 01-99.Security4 Security Timer: Can be select the time (month/day/hour) func-tion to set the number of hours the projector can be used. Oncethe time has elapsed you will be requested to enter your pass-word again.4 Change PasswordUse number buttons to input your password, and then press“Enter” key to confirm your selection.1. Scroll down to highlight Change Password, and press “Enter”to input old password.2. The Password is 4 digits, DEFAULT VALUE is “0000” (firsttime).3. Enter new Password (4 digits) and press “Enter”.4. Enter new Password again to confirm and press “Enter”.4 Security■ Enable: Choose “Enable” to use security verification when theturning on the projector.■ Disable: Choose “Disable“ to be able to switch on the projectorwithout password verification.ResetChoose “Yes” to return the display parameters on all menus to thefactory default settings.