Acer P3251 User Manual - Page 34

English 24 Reset Administrator Password The "Administrator Password" can be used in both the "Enter Administrator Password" and "Enter Password" dialog boxes. • Press to change the "Administrator Password". • The factory default of "Administrator Password" is "1234". If you forgot your administrator password, do the following to retrieve the administrator password: • An unique 6-digit "Universal Password" which is printed on the Security Card (please check accessory in the box). This unique password is the number which will be accepted by projector anytime no matter what the Administrator Password is. • If losing this security card and number, please contact with an Acer service center. Lock User Startup Screen • Default Lock User Startup Screen is "OFF". If lock user startup screen is "ON", users cannot change startup screen anymore and avoid other users change that arbitrarily. Choose "OFF" to unlock startup screen. • Press the button and choose "Yes" to return the parameters on all menus to the factory default settings. Management ECO Mode High Altitude Auto Shutdown Lamp Hour Elapse Lamp Reminding Lamp Hour Reset Choose "On" to dim the projector lamp which will lower power consumption, extend the lamp life and reduce noise. Choose "Off" to return normal mode. Choose "On" to turn on High Altitude mode. Operate the fans at full speed continuously to allow for proper high altitude cooling of the projector. The projector will automatically shutdown when there is no signal input after the allocated time. (in minutes) Displays the lamp's elapsed operating time (in hours). Activate this function to display a reminder to change the lamp 30 hours before its expected end-of-life. Press the button and choose "Yes" to turn the lamp hour counter to 0 hours.