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Why are images displayed on LCD monitors sometimes unclear?

Some common display modes have been preset into the memory of the LCDs and require no screen adjustment. (Slight adjustments for clock and phase might be needed.) Other modes require adjustments by using the Auto adjustment button and the ScreenManager "Screen" menu. A different signal timing with the same resolution/frequency also requires adjustments. [Reference] Clock / Phase adjustment Clock adjustment: Adjust "Clock" when vertical bars of distortion or flickering appears on screen. EIZO LCD monitors have Analog Video Input, which can convert an analog video input signal into a digital video signal and display an image. In converting the input signal, the monitors need to produce the same number of clock pulses as the dot clock of the input signal (graphics system). If the clock pulse is incorrectly set, some vertical noise appears. Phase adjustment: Adjust "Phase" when horizontal bars of distortion or flickering appears on screen. This function adjusts the sampling timing of converting analog video input signal into digital video signal.

▼ Product Categories：FlexScan, ColorEdge, FORIS FAQ ranking

No.	Question	Category	Date
1	Is it ok to setup the monitor on painted surface?	FlexScan ColorEdge FORIS	January 20, 2015
2	Why EIZO software such as ScreenManager Pro or ColorNav…▼ Why EIZO software such as ScreenManager Pro or ColorNavigator cannot recognize the EIZO monitor connected to the USB 3.0 port of the PC?	FlexScan ColorEdge FORIS	January 5, 2015
3	Why doesn't the "Auto adjustment button"…▼ Why doesn't the "Auto adjustment button" work properly?	FlexScan ColorEdge FORIS
4	Does the power ON/OFF operation shorten backlight life?	FlexScan ColorEdge FORIS
5	Does "Usage Time" in the ScreenManager menu c…▼ Does "Usage Time" in the ScreenManager menu count the screensaver's running time?	FlexScan
6	Is it necessary to install the monitor information file…▼ Is it necessary to install the monitor information file attached to the monitor packages?	FlexScan
7	When I connect a USB cable to EIZO monitors, they indic…▼ When I connect a USB cable to EIZO monitors, they indicate "EIZO USB HID Monitor". Is this a problem?	FlexScan ColorEdge FORIS
8	How much difference is there between the electromagneti…▼ How much difference is there between the electromagnetic wave emissions of a CRT and that of a LCD?	FlexScan ColorEdge
9	Why the monitor displays wrong color and non-smooth ton…▼ Why the monitor displays wrong color and non-smooth tone when connecting Mac via HDMI cable?	FlexScan ColorEdge FORIS	December 9, 2014
10	Why doesn't ColorNavigator recognize a ColorMunki …▼ Why doesn't ColorNavigator recognize a ColorMunki sensor?	ColorEdge
11	What graphics boards support the EV2730Q, EV2736W, CG27…▼ What graphics boards support the EV2730Q, EV2736W, CG277 and CX271?	FlexScan ColorEdge	December 19, 2014
12	How long is the lifetime of an EIZO monitor?	FlexScan ColorEdge FORIS
13	Can I calibrate ColorEdge monitors with non-EIZO calibr…▼ Can I calibrate ColorEdge monitors with non-EIZO calibration sensors such as the Eye-One series, Spyder or others?	ColorEdge
14	Why does the screen become dark after boot-up a PC, whe…▼ Why does the screen become dark after boot-up a PC, when connecting to a Lenovo PC?	FlexScan FORIS	December 26, 2014
15	Why the monitor displays wrong color and non-smooth ton…▼ Why the monitor displays wrong color and non-smooth tone when connecting Mac via Mini DisplayPort cable?	FlexScan ColorEdge FORIS	March 17, 2015
16	Why does the screen suddenly go blank or not come back …▼ Why does the screen suddenly go blank or not come back on after wake up from stand by, when connecting to a Lenovo PC via DiaplayPort?	FlexScan ColorEdge FORIS
17	Which type of DVI-D cable should I use for square monit…▼ Which type of DVI-D cable should I use for square monitors?	FlexScan
18	Is it possible to display resolution of 1920 x 1080 wit…▼ Is it possible to display resolution of 1920 x 1080 without scaling?	FlexScan	February 5, 2015
19	<Touch Screen (Analog Resistive Technology)> Some…▼ <Touch Screen (Analog Resistive Technology)> Some deflection may appear on the surface of touch panel portion.	FlexScan	October 2, 2014
20	<Touch Screen (Analog Resistive Technology)> Caut…▼ <Touch Screen (Analog Resistive Technology)> Cautions for the Use of the Touch Panel	FlexScan	October 2, 2014

▼ Product Categories：FlexScan, ColorEdge, FORIS Latest updates

No.	Question	Category	Date
1	Why doesn't ColorNavigator Ver.5 start in multi-m…▼ Why doesn't ColorNavigator Ver.5 start in multi-monitor environment?	ColorEdge	May 1, 2015
2	Why the monitor displays wrong color and non-smooth ton…▼ Why the monitor displays wrong color and non-smooth tone when connecting Mac via Mini DisplayPort cable?	FlexScan ColorEdge FORIS	March 17, 2015
3	Is it possible to display resolution of 1920 x 1080 wit…▼ Is it possible to display resolution of 1920 x 1080 without scaling?	FlexScan	February 5, 2015
4	Is it ok to setup the monitor on painted surface?	FlexScan ColorEdge FORIS	January 20, 2015
5	Why is the screen distorted on the right edge of the mo…▼ Why is the screen distorted on the right edge of the monitor when connected to Mac Pro (Late 2013) via DisplayPort?	FlexScan ColorEdge	January 14, 2015
6	Why EIZO software such as ScreenManager Pro or ColorNav…▼ Why EIZO software such as ScreenManager Pro or ColorNavigator cannot recognize the EIZO monitor connected to the USB 3.0 port of the PC?	FlexScan ColorEdge FORIS	January 5, 2015
7	Why does the screen become dark after boot-up a PC, whe…▼ Why does the screen become dark after boot-up a PC, when connecting to a Lenovo PC?	FlexScan FORIS	December 26, 2014
8	What graphics boards support the EV2730Q, EV2736W, CG27…▼ What graphics boards support the EV2730Q, EV2736W, CG277 and CX271?	FlexScan ColorEdge	December 19, 2014
9	<Touch Screen (Analog Resistive Technology)> Caut…▼ <Touch Screen (Analog Resistive Technology)> Cautions for the Use of the Touch Panel	FlexScan	October 2, 2014
10	<Touch Screen (Analog Resistive Technology)> Some…▼ <Touch Screen (Analog Resistive Technology)> Some deflection may appear on the surface of touch panel portion.	FlexScan	October 2, 2014
11	<Touch Screen (Projected Capacitive Technology)> …▼ <Touch Screen (Projected Capacitive Technology)> Cautions for the Use of the Touch Panel	FlexScan	October 2, 2014
12	<Touch Screen (Projected Capacitive Technology)> …▼ <Touch Screen (Projected Capacitive Technology)> Cursor position is not correct. / Cursor jumps.	FlexScan	October 2, 2014
13	<Touch Screen (Projected Capacitive Technology)> …▼ <Touch Screen (Projected Capacitive Technology)> Cursor is jittery. / Drawing lines are not straight and smooth.	FlexScan	October 2, 2014
14	<Touch Screen (Surface Acoustic Wave Technology)>…▼ <Touch Screen (Surface Acoustic Wave Technology)> Cautions for the Use of the Touch Panel	FlexScan	October 2, 2014
15	<Touch Screen (Analog Capacitive Technology)> Cur…▼ <Touch Screen (Analog Capacitive Technology)> Cursor is jittery. / Drawing lines are not straight and smooth.	FlexScan	October 2, 2014
16	<Touch Screen (Analog Capacitive Technology)> Cur…▼ <Touch Screen (Analog Capacitive Technology)> Cursor position is not correct. /Cursor jumps.	FlexScan	October 2, 2014
17	<Touch Screen (Infrared Optical Imaging Technology)&…▼ <Touch Screen (Infrared Optical Imaging Technology)> The cursor moves irregularly or flips.	FlexScan	October 2, 2014
18	<Touch Screen (Infrared Optical Imaging Technology)&…▼ <Touch Screen (Infrared Optical Imaging Technology)> Cautions for the Use of the Touch Panel	FlexScan	October 2, 2014
19	EV3237 does not show any image with DVI connection.	FlexScan	September 24, 2014
20	Images are showed incorrectly in the case that EV3237 i…▼ Images are showed incorrectly in the case that EV3237 is connected via DisplayPort.	FlexScan	September 22, 2014

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