Christie FHD492-XV, Руководство пользователя

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Input mode
FHD492-XV and FHD552-XV User Manual 35
020-001139-01 Rev. 1 (08-2016)
Standard
Resolution Active Resolution
Refresh Rate
Pixel Rate
Aspect Ratio
Stand for Mode
H Pixels V Lines
720p 1280 720 50 Hz 74.25 MHz 16:9 Normally DVB Mode
60 Hz
1080i 1920 1080 25 Hz 74.25 MHz 16:9 Normally ATSC Mode
30 Hz
1080p 1920 1080 50 Hz 148.5 MHz 16:9 Normally ATSC Mode
60 Hz
NOTE: UHD resolution is supported only on video wall arrays. Each individual LCD display panel supports a
maximum resolution of 1080p.
Standard
Resolution Active Resolution
Refresh Rate
Pixel Rate
Aspect Ratio
Stand for Mode
H Pixels V Lines
UHDTV
Resolution 3840 2160 30 297MHz 16:9 Video wall application.
Dark spots or patches may occasionally appear on some liquid crystal display (LCD) panels. This is known
within the industry as Mura, which is a Japanese term for unevenness, and describes an irregular pattern or
area in which uneven screen uniformity appears under certain conditions. Mura is a result of the deterioration
of the liquid crystal alignment layer and is most commonly caused by long-term operation under high ambient
temperatures. Mura an industry-wide phenomenon and is not repairable. It is not covered by our warranty
terms.
Mura has been around since the introduction of LCD technology and with screens getting bigger and in
operation 24/7, many displays are running in low light conditions. This adds to the possibility of Mura affecting
displays.
Mura has many symptoms and multiple causes. Several are listed below:
 Impurities or foreign particles in the crystal matrix
 Uneven distribution of LCD matrix during manufacturing
 Non-uniform luminance distribution of the backlight
 Panel assembly induced stress
 Flaws within the LCD cells