Assessments - 4, GPA: 4.5
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Image persistence. • Image persistence is when a residual or “ghost” image of a previous image remains visible on the screen. To alleviate image persistence, turn off the monitor for as long as the previous image was displayed. See chapter “Recommended use”. Image is unstable, unfocused or swimming in apparent. • Signal cable should be completely attached to the computer. No signal • Signal cable should be completely attached to the computer. • Make certain the computer is not in a power-saving mode (touch the keyboard or mouse). • If no video is present on the screen, turn the power button off and on again. LED on monitor is not lit (no green or orange color can be seen) • Power switch should be in the ON position and power cord should be connected. • Check the power cable should be connected surely. 40 _______________________________________________________ Barco - LC-5621 - User manual Technical specifications 9 Technical specifications 9.1 Electro-optical specifications 9.1.1 Panel • a-Si TFT Active Matrix LCD (AM-LCD) – 8 bit/color • Super MVA technology, normally black 9.1.2 Image specifications 9.1.2.1 Screen dimensions • Aspect ratio 16:9 • Screen dimensions: • 1244.16 x 699.84 mm (48.98” x 27.55”) • 1427.48 mm (56.2”) diagonal 9.1.2.2 Screen specifications • 16.8 million colors - 256 gray scales • Typical viewing angle: • Horizontal: 176°, Vertical: 176° @ CR>=30 9.1.2.3 Light output • White surface luminance at maximum brightness • max. 400 cd/m. (116.75 fL) 9.1.2.4 Contrast ratio • Contrast ratio in dark environment: 1200:1 • Typical specular reflection: <0.5% • Typical diffuse reflection: TBD% 9.1.2.5 Resolution • 3840 x 2160 pixels. • 1 pixel is composed of 3 sub pixels R, G and B (RGB Vertical Stripe configuration) • pixel dimensions: 0.108 mm x 0.342 mm Barco - LC-5621 - User manual _______________________________________________________ 41 Technical specifications 9.1.2.6 Color temperature • color temperatures can be switched between 5600K, 6500K, 7500K, 8500K, 9300K or USER • Typical CIE coordinates are mentioned in the table below x y RED 0,651 + 0.03 0,332 + 0.03 GREEN 0,269 + 0.03 0,593 + 0.03 BLUE 0,144 + 0.03 0,060 + 0.03 WHITE 0,285 + 0.03 0,293 + 0.03 CIE-1931 x,y coordinates are measured 9.1.2.7 Response time (at 25°C ambient) • Rise time (black to white transition): typ. 8 ms • Fall time (white to black transition): typ. 8 ms 42 _______________________________________________________ Barco - LC-5621 - User manual Technical specifications 9.1.3 Signal inputs 9.1.3.1 DVI connector DVI-D connector layout DVI-D receptable connector (24 pins), right angle with pegs 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 DVI input pinning Pin signal 1 TMDS Data 22 TMDS Data 2+ 3 TMDS Data 2/4 Shield 4 TMDS Data 45 TMDS Data 4+ 6 DDC Clock 7 DDC Data 8 NC 9 TMDS Data 110 TMDS Data 1+ 11 TMDS Data 1/3 Shield 12 TMDS Data 313 TMDS Data 3+ 14 +5V Power 15 Ground for +5V 16 Hot Plug Detect 17 TMDS Data 018 TMDS Data 0+ 19 TMDS Data 0/5 Shield 20 TMDS Data 521 TMDS Data 5+ 22 TMDS Clock Shield 23 TMDS Clock+ 24 TMDS Clock- Barco - LC-5621 - User manual _______________________________________________________ 43 Technical specifications 9.1.3.2 Control connector 9 pins subD male connector layout 1 5 6 9 Control pinning Pin signal 1 Nc 2 Signal receive 3 Signal transmit 4 Nc 5 GND 6 Nc 7 Nc 8 Nc 9 Nc 9.1.4 Power supply specification 9.1.4.1 115 Vac / 220 Vac (50 ~ 60 Hz) supply • Nominal voltage: 115 Vac or 220 Vac • Operates between 85 Vac – 264 Vac • Frequency range: 50 ~60 Hz 9.1.4.2 Power consumption • Pmax = 500 W 9.1.4.3 Safety • Unit meets: • IEC 60950-1 • IEC 60601-1 9.1.4.4 Power connector • 115/220 Vac • IEC power chassis connector for 115 Vac and 220 Vac 44 _______________________________________________________ Barco - LC-5621 - User manual Technical specifications 9.1.5 Human Machine Interface (HMI) 9.1.5.1 On-Screen Display (OSD) • The On-Screen Display (OSD) feature is the ability to display text on top of the input. • The OSD can be used to adjust parameters like brightness, contrast, gamma,… • The OSD menu can be accessed via the IR control. • This information is also accessible form the host processor through the RS232 interface according to the BARCO remote protocol. 9.1.5.2 Controls The controls of the monitor are located on the right side of the unit (seen from front). There are 7 buttons: Main function Menu Power (..) Standby / switch into operation Source Gamma items selection Mode Show information Enter Activate selection ../+ Scroll up for menu items ../Scroll down for menu items Menu Opens OSD, exits OSD, exit OSD control 9.1.5.3 Indicators Led indicator Mode Orange Standby Green In operation Barco - LC-5621 - User manual _______________________________________________________ 45 Technical specifications 9.2 Mechanical specifications 9.2.1 Dimensions With stand Without stand Height 866 mm (34.09”) 800.8 mm (31.53”) Width 1345.1 mm (52.96”) 1345.1 mm (52.96”) Depth...
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