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Using The Auto Brightness Function - NEC EA224WMi-BK User Manual

22" led-backlit eco-friendly widescreen desktop monitor w/ ips panel
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Using the Auto Brightness function

The brightness of the LCD screen can be set to increase or decrease depending on the amount of ambient light within the
room. If the room is bright, the monitor becomes correspondingly bright. If the room is dim, then the monitor will dim accordingly.
The purpose of this function is to make the viewing experience more comfortable to the eye in a variety of lighting conditions.
The Auto Brightness function is set to 1 by default.
SETUP
Use the following procedures to select the Brightness Range that the monitor will use when the Auto Brightness function is
activated.
1. Set the BRIGHTNESS level. This is the brightness level that the monitor will go up to when the ambient light level is highest.
Select this setting when the room is at its brightest.
Select "1" or "3" in the AUTO BRIGHTNESS menu (Figure 1). Then use the front Keys to move the cursor up to the
BRIGHTNESS setting. Choose the desired brightness level (Figure 2).
Figure 1
2. Set the DARK level. This is the level of brightness that the monitor will go down to when the ambient light level is low.
Make sure the room is at its darkest when setting this level.
Then use the front Keys to move the cursor up to the BRIGHTNESS setting. Choose the desired brightness level (Figure 3).
When the "AUTO BRIGHTNESS" function is enabled the Brightness level of the screen changes automatically according to the
lighting conditions of the room (Figure 4).
BRIGHTNESS level set
for the monitor to use
when ambient lighting
level is low.
Lb: Border between bright and dim lighting conditions; set at factory
L1: BRIGHTNESS level set for the monitor to use when ambient lighting level is high (L1>Lb)
L2 : BRIGHTNESS level set for the monitor to use when ambient lighting level is low (L2<Lb)
L1 and L2 are the brightness levels set by the user to compensate for changes in ambient lighting.
Figure 3
room bright condition
dark
Screen Brightness value by Auto Brightness function
Figure 4
English-21
Figure 2
BRIGHTNESS range
BRIGHTNESS level set for the
monitor to use when ambient
lighting level is high.
Bright condition area
bright
Dark condition area

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