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HP 21” Color Monitor User’s Guide
Important Safety Instructions
4 EnglishEnglish
Minimizing Eye Strain
To avoid screen flicker and minimize eye strain, use the highest
supported image refresh rate for the chosen resolution. It is
recommended that you use a refresh rate of 85 Hz. The image refresh
rate is the number of times per second that the image is refreshed.
Minimizing Energy Consumption
If your computer supports VESA monitor power management
(available on many HP computers), you can minimize the power
consumed by the monitor. There is one power saving mode:
• Active off mode
1
(uses less than or equal to 3W). In this mode, the
monitor's front panel indicator light is amber.
To set these power saving modes, refer to the manual that came with
your computer. If your screen is not displaying an image, check the
front panel indicator light first as your monitor may be in a power
saving mode.
1. Unique power saving mode which is activated if SYNC, H SYNC or V SYNC inactive.
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