NEC P221W-BK MultiSync P221W-BK : user's manual - Page 22

Using the Auto Brightness function, SETUP

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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 OFF by default. SETUP Use the following procedure to select the Brightness Range that the monitor will use when the Auto Brightness function is activated. 1. Set the BRIGHT level. This is the brightness level that the monitor will go up to when the ambient light level is highest. Make sure the room is at its brightest when setting this level. Select "ON" in the AUTO BRIGHTNESS menu (Figure 1). Then use the front buttons to move the cursor up to the BRIGHTNESS setting. Choose the desired brightness level (Figure 2). Figure 1 Figure 2 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 buttons to move the cursor up to the BRIGHTNESS setting. Choose the desired brightness level (Figure 3). 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. BRIGHTNESS range BRIGHTNESS level set for the monitor to use when ambient lighting level is high. dark room bright condition bright Bright condition area Dark condition area Screen Brightness value by Auto Brightness function Figure 4 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

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English-20
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 OFF by default.
SETUP
Use the following procedure to select the Brightness Range that the monitor will use when the Auto Brightness function is
activated.
1.
Set the BRIGHT level. This is the brightness level that the monitor will go up to when the ambient light level is highest.
Make sure the room is at its brightest when setting this level.
Select “ON” in the AUTO BRIGHTNESS menu (
Figure 1
). Then use the front buttons to move the cursor up to the
BRIGHTNESS setting. Choose the desired brightness level (
Figure 2
).
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 buttons to move the cursor up to the BRIGHTNESS setting. Choose the desired brightness level
(
Figure 3
).
Figure 1
Figure 2
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.
BRIGHTNESS level set for the
monitor to use when ambient
lighting level is high.
BRIGHTNESS range
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 4
dark
bright
room bright condition
Screen Brightness value by Auto Brightness function
Bright condition area
Dark condition area