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Addendum
Advanced Power Saving Mode
1.Background
The traditional monitors have the function of electricity-saving dormancy. But the interval of dormancy is difficult to
decide. If the interval is long, the purpose of saving electricity can not be achieved. While the interval is short, your
computer and LCD monitor would be dormant often. When the LCD monitor becomes dormant, the back lights will
be turned off immediately. The frequent turn-on and turn-off of lights will result in the lightness uneven and even
shortening the life of the lights.
2.Our solution to the dilemma – Monitor Life-Extension function
In view of that, we have designed the function of Monitor Life-Extension. Once you select the option of “Advanced
Power Saving Mode” in the OSD menu, and then you can not only save electricity, but extend the life of the lights.
3.Working principle of the Monitor Life-Extension function
To minimize the impact of frequent turn-on and turn-off of LCD monitor, the Life-Extension function decreases the
electricity supplied to the back-light of LCD monitor gradually, instead of cut it off right away when PC enters
sleeping or off mode. Please see following comparison graphics for details.
* Standard Power Saving Mode (without Monitor Life-Extension function)
* Advanced Power Saving Mode (with Monitor Life-Extension function)
This “Slow-Start-n-Delay-Off” approach minimizes the transit of electricity and temperature caused by
the turn-on and turn-off of LCD monitor. Therefore, the decay of backlights of TFT-LCD can be
controlled in the certain level which is much less than it was.
4.The side effect of the Monitor Life-Extension function (why not preset Advanced Power Saving Mode
as default?)
According to the request of EPA (US Environmental Protection Agency) to power management of monitors, the power consumption of the monitor must go
down to below 3 watts within 3 seconds after the monitor steps in power saving mode. But the Life-Extension function decreases the electricity supplied to
the backlights of LCD monitor gradually. Therefore, the Monitor Life-Extension function has conflict with the requirement of EPA in the first 7 minutes after
entering sleeping mode. Even though,comparing the advantages of both conditions, we still recommend you strongly to set your monitor in Advanced Power
Saving mode.
Power
ON Power Saving Start
60%
30%
10%
Power
ON Sleep Start Power Saving Start
5s 7mins
14