10 | SD2420W
When the OSD menu is in the off mode, pressing the Auto Adjust button for
2 seconds activates the automatic adjustment function for setting the
Horizontal Position, Vertical Position, Clock, and Focus. After a period of
inactivity the OSD menu disappears automatically.
The two monitors have an OSD menu that allows control of Brightness,
Contrast, Color Temperature (red, green and blue adjustments), Focus
(picture phase to reduce horizontal line noise), Clock (to adjust vertical line
noise), Image Position, OSD Location, OSD Timeout, Language, and Factory
Reset. The adjustment of the brightness setting is not a direct increase or
decrease to the overall luminance, but a driving voltage adjustment of the
LCD panel. In other words, setting the brightness to 0 (zero) does not reduce
the luminance to 0 cd/m
2
.
NOTE: Changing the Brightness setting can reduce the number of discernable
gray levels.
To lock the OSD, press and hold the Menu button while the monitor is off and
press the power button to turn the monitor on. To unlock the OSD, press and
hold the Menu button while the monitor is off and press the power button to
turn the monitor on.
Power management
This LCD monitor complies with the VESA DPMS (version 1.0) Power
Management guidelines. The VESA DPMS provides four power-saving modes
through detection of a horizontal or vertical sync signal. When the LCD
monitor is in power-saving mode, the monitor screen is blank and the
power LED indicator light is amber.
