Dell 4220 User Manual page 92

Projector Control Panel
Projector Information
• Projector Status: There are five status: Lamp On, Standby, Power Saving,
Cooling, and Warming up. Click Refresh to refresh the status and control
settings.
• Power Saving: Power Saving can be set to Off, 30, 60, 90, or 120 minutes. For
more information, see "Power Saving" on page 55.
• Alert Status: There are three alert states: Lamp warning, Low lamp life, and
Temperature warning. Your projector might lock up in the protection mode
if any of the alerts are activated. To exit the protection mode, click Clear to
clear the Alert Status before you power on your projector.
92 Using Your Projector
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