note
If you access the About menu when the projector display is set to video, you see only the lamp life and the video signal setting.
note
The lamp usage timer doesn’t register until you’ve used the lamp for at least 10 hours.
■Ceiling
Turn on when the projector is mounted
■COM Port
Switches between serial
5.When you’re finished, press Esc or Menu.
Viewing Lamp Usage and Other Information
Use the About menu to view information about the display settings of your computer and the number of hours the lamp has been used.
1.Press the Menu button. You see the main menu.
2.Use the 
Sync– button (control panel) or the 
button (remote control) to highlight About.
You see the lamp usage hours and computer display settings on the right:
The life span of the lamp is about 1500 hours. If the number shown is close to 1500, make sure you have a spare lamp handy.
After you change the lamp, you need to reset the lamp timer.
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