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HP 21” Color Monitor User’s Guide
Using Your Monitor
Contrast Buttons
6 This button displays the Brightness/Contrast menu. Use these
buttons / to make the required adjustments.
Power Switch and Indicator
7 This button turns the monitor on and off. The power indicator
lights up in green when the monitor is turned on, and either
flashes in green and orange or lights up in orange when the
monitor is in power saving modes.
NOTE If the power management function of your computer is working
properly, you do not need to switch the monitor off or on. This occurs
automatically.