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70
Meridian 3
DVI Display identification
In accordance with DVI requirement (DDWG digital Visual Interface revision 1.0)
use DDC-2B, DDC/CI, and EDID V1.3
3.10 DDC /CI Support
In accordance with VESA DDC/CI and MCCS ver.2.0,
3.11 Hot-key definition
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3.12 Smart contrast (Dynamic contrast ratio)
Smart Contrast is a kind of dynamic backlight control.
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This function changes panel backlight dynamically according to the frame brightness histogram.
At least the minimum contrast ratio has to be > 500K:1(Typ.)
VISUAL CHARACTERISTICS
Test conditions
Unless otherwise specified, this specification is defined under the following conditions.
(1) Input signal : As defined in 3.3, 1920 x 1080
non-interlaced mode (1920X1080@60Hz 146.25MHz),
signal
sources must have 75 ohm output impedance.
(2) Luminance setting : controls to be set to 300 nits with
full screen 100 % duty cycle white signal
(3) Warm up: more than 30 minutes after power on with signal supplied.
(4) Ambient light: 400 -- 600 lux.
(5) Ambient temperature: 20 ± 5 qC
Brightness
Follow Panel specification.
Image size
Actual display size 597.6mm(H) x 336.15mm (V)
Brightness uniformity
Set contrast at 100% and turn the brightness to get average above 300 nits
at centre of the screen.
Apply the Fig 1, it should comply with the following formula:
B_min
X 100% >75%
B_max
Where B_max =Maximum brightness
B_min = Minimum brightness
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