NEC M Series 32" Commercial PCAP Touchscreen Display - Manual (Page 80)

English−76
PICTURE MENU
ADAPTIVE CONTRAST* 3, * 4 Sets the level of adjustment for dynamic contrast.
If [HIGH] is set, the image is shown clearly but it makes brightness unstable due to the wide gap in
contrast variation.
AUTO DIMMING Adjusts the backlight of the LCD automatically depending on the amount of ambient light.
AUTO BRIGHTNESS Adjusts the brightness level according to the input signal.
NOTE:
When [MODE1] or [MODE2] is selected in [AMBIENT LIGHT SENSING] at [ADVANCED], this
function cannot be changed.
AMBIENT LIGHT
SENSING*
1
The backlight of the LCD panel 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 ambient parameter setting:
[AMBIENT LIGHT SENSING] in OSD, select [MODE1] or [MODE2] and set [ILLUMINANCE] and
[BACKLIGHT].
IN BRIGHT: Setting to use in a bright room.
ILLUMINANCE - The illuminance level in a bright room.
BACKLIGHT - The maximum level of backlight in a bright room.
IN DARK: Setting to use in a dim room.
ILLUMINANCE - The illuminance level in a dim room.
BACKLIGHT - The minimum level of backlight in a dim room.
STATUS: Shows the current setting level of [ILLUMINANCE] and [BACKLIGHT].
When the [AMBIENT LIGHT SENSING] is enabled the Backlight level of the screen changes automatically
according to the lighting conditions of the room (see figure below).
BACKLIGHT level set for
the monitor to use when
amibient lighting is low.
BACKLIGHT level set for
the monitor to use when
amibient lighting is high.
BACKLIGHT setting range.
Dark Bright Room bright condition
L - ILLUMINANCE level set for the monitor to use when ambient lighting is low.
H - ILLUMINANCE level set for the monitor to use when ambient lighting is high.
BACKLIGHT variable range.
0% 100%
0%
100%
L H
NOTE: • When setting to [MODE1] or [MODE2], [BACKLIGHT] cannot be changed.
• Setting to [MODE2] makes the background brightness even darker than [MODE1] when the
backlight level is [0/100].
• When [ON] is selected in [AUTO BRIGHTNESS] at [ADVANCED], this function cannot be
changed.
• Do not cover the optional sensor unit when [AMBIENT LIGHT SENSING] is enabled.
[AMBIENT LIGHT SENSING] is enabled when it is set to [MODE1] or [MODE2].
HUMAN SENSING* 1 Automatically adjusts the backlight and volume levels based on whether or not a human presence is
detected in front of the monitor.
NOTE:
Human sensing is automatically disabled if [AUTO INPUT CHANGE] is set while [HUMAN
SENSING] is active.
[POWER SAVE] is disabled when [AUTO OFF] or [CUSTOM] is selected in [HUMAN SENSING].
DISABLE Human sensing function is off.
AUTO OFF The monitor’s backlight automatically turns off, and the volume mutes when no human presence is
detected during the period set at [WAITING TIME].
When a person is near the monitor again, the monitor will automatically return to normal mode.