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English−20

Chapter 3

Troubleshooting

This Chapter Includes:

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“Screen Image and Video Signal Issues” on page 21

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“Hardware Issues” on page 22

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“Image Persistence” on page 22

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Содержание AccuSync AS221F

Страница 1: ...User s Manual Desktop Monitor AccuSync AS221F AccuSync AS241F MODEL AS221F AS241F Please find your model name in the label on the rear side of the monitor ...

Страница 2: ...ible Arm 16 Chapter 2 Basic Operation Using the OSD On Screen Display Controls 18 Changing the Input 19 Power management function LED indicator patterns 19 Chapter 3 Troubleshooting Screen Image and Video Signal Issues 21 Hardware Issues 22 Image Persistence 22 Chapter 4 Specifications AS221F 24 AS241F 25 Appendix A OSD Controls List Picture 27 Sound 27 Setup 28 Information 28 Appendix B Manufactu...

Страница 3: ...y voltage of the AC power outlet being used NOTE This product can only be serviced in the country where it was purchased The intended primary use of this product is as an Information Technical Equipment in an office or domestic environment The product is intended to be connected to a computer and is not intended for the display of television broadcast signals Copyright Information Windows is a reg...

Страница 4: ...s equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different fr...

Страница 5: ...ORD Unplug the power cord if the monitor malfunctions Should the monitor emit smoke or strange odors or sounds or if the monitor has been dropped or the cabinet broken turn off the monitor s power then unplug the power cord from the power outlet Failure to do so could not only lead to fire or electric shock it could also result in vision impairment Contact your dealer for repairs Never try to repa...

Страница 6: ...e monitor is used in this condition the monitor may fall or cause an electric shock or start a fire If liquid has spilled or objects have fallen into the monitor When cleaning the monitor Do not use flammable gas sprays to remove dust Doing so lead to fire Do not play with the plastic bag which covers the monitor Do not use this bag for any other purpose To avoid the danger of suffocation do not p...

Страница 7: ...ning to use the monitor for an extended period of time always unplug the power cord from the power outlet To ensure the monitor s reliability please clean the ventilation holes at the rear side of the cabinet at least once a year to remove dirt and dust Handle with care during installation and adjustment to prevent personal injury and damage to the monitor The monitor must be mounted to a flexible...

Страница 8: ...e should be avoided To alleviate image persistence turn off the monitor for as long as the previous image was displayed For example if an image was on the monitor for one hour and a residual image remains the monitor should be turned off for one hour to erase the image NOTE As with all personal display devices NEC DISPLAY SOLUTIONS recommends using a moving screen saver at regular intervals whenev...

Страница 9: ...eference material directly in front of you to minimize turning your head while you are typing Blink often Eye exercise helps to reduce eye strain Please contact your ophthalmologist Get regular eye checkups To avoid eye fatigue adjust the brightness to a moderate setting Place a sheet of white paper next to the LCD screen for luminance reference Do not position the Contrast control to its maximum ...

Страница 10: ...n level when on but not in use saving two thirds of your monitor energy costs reducing emissions and lowering the air conditioning costs of the workplace Multiple Frequency Technology Automatically adjusts monitor to the display card s scanning frequency thus displaying the resolution required FullScan Capability Allows you to use the entire screen area in most resolutions significantly expanding ...

Страница 11: ...English 9 English Chapter 1 Installation This Chapter Includes Parts Name and Functions on page 10 Connections on page 12 Setup on page 13 Flexible Arm Installation on page 15 ...

Страница 12: ... the OSD sub menus and main menu D UP button When the OSD menu is not displayed on the screen it opens the BRIGHTNESS menu When the OSD menu is displayed on the screen it navigates to the right or raises settings adjustments E DOWN button When the OSD menu is not displayed on the screen it opens the VOLUME menu When the OSD menu is displayed on the screen it navigates to the left or lowers setting...

Страница 13: ...IN Digital DisplayPort signals input C HDMI IN Digital HDMI signals input D VGA IN mini D Sub 15 pin Analog RGB signals input E Audio IN Audio signal input from external equipment such as a computer or player F Headphone Jack Connects with headphones G Security Slot Security and theft protection lock slot compatible with Kensington security cables equipment For products visit Kensington s website ...

Страница 14: ...0 70 Hz p 720 x 480 60 Hz p 800 x 600 56 60 72 75 Hz p SVGA 1024 x 768 60 70 75 Hz p XGA 1280 x 720 50 60 Hz p 720p 1280 x 960 60 75 Hz p 1280 x 1024 60 75 Hz p SXGA 1440 x 900 60 Hz p 1680 x 1050 60 Hz p 1920 x 1080 50 60 Hz p 1080p Recommended 60 Hz p Progressive NOTE When the selected monitor resolution is not a native panel resolution the text contents appearance in the monitor screen is expan...

Страница 15: ...monitor s power is turned on after a connected computer is turned on sometimes an image is not displayed In this case please turn off the computer then turn it on again Setup For box contents please refer to the setup manual provided in the box The accessories included depends on the location where the monitor was shipped To attach the base to the LCD monitor stand 1 Place the monitor face down on...

Страница 16: ...e loss of hearing NOTE Adjustment of the volume control as well as the equalizer to other settings than the center position may increase the ear headphones output voltage and therefore the sound pressure level Use an audio cable without a built in resistor Using an audio cable with a built in resistor lowers the sound Incorrect cable connections may result in irregular operation damage display qua...

Страница 17: ...n Follow the instructions provided by the manufacturer of the display mount Remove the monitor stand before mounting CAUTION To meet the safety requirements the monitor must be mounted to an arm that supports the weight of the monitor See the Specifications AS221F on page 24 and AS241F on page 25 for details Remove the Monitor Stand for Mounting NOTE Handle with care when removing the monitor stan...

Страница 18: ...ounting Bracket Screw M4 Washer Unit 8 10 mm Thickness of bracket and washer CAUTION The monitor should only be used with an approved arm e g TUEV GS mark Tighten all screws recommended fasten torque 98 137 N cm Attaching the flexible arm should be done by two or more people if the monitor cannot be placed face down on a flat surface for installation ...

Страница 19: ...lish 17 English Chapter 2 Basic Operation This Chapter Includes Using the OSD On Screen Display Controls on page 18 Changing the Input on page 19 Power management function LED indicator patterns on page 19 ...

Страница 20: ...djustments or selections 1 UP button 2 DOWN button 3 ENTER button 4 EXIT button Main Menu Adjustment Settings Below is a brief summary of where controls are under each menu item Tables listing all options available in the OSD menu are located in Appendix A OSD Controls List on page 26 R G Picture B PICTURE Select one of the default picture modes or manually adjust the color settings Audio SOUND Se...

Страница 21: ...enerally commercially produced Blu rays and DVDs television broadcast and streaming media services Power management function LED indicator patterns The power management function is an energy saving feature that automatically reduces the power consumption of the monitor when the keyboard or the mouse has not been used for a fixed period Mode LED indicator Power consumption Condition Maximum operati...

Страница 22: ...English 20 Chapter 3 Troubleshooting This Chapter Includes Screen Image and Video Signal Issues on page 21 Hardware Issues on page 22 Image Persistence on page 22 ...

Страница 23: ...cable is fully connected to the monitor and the computer Use the OSD Image Adjust controls to focus and adjust the display by increasing or decreasing the PHASE adjustment When the display mode is changed the OSD Image Adjust settings may need to be readjusted Check the monitor and your display card with respect to compatibility and recommended signal timings The image is not properly reproduced U...

Страница 24: ...k to see if VOLUME is set to a minimum Check to see if the computer supports an audio signal through DisplayPort or HDMI Check selected SOUND INPUT when DisplayPort or HDMI is in use Image Persistence Please be aware that LCD Technology may experience a phenomenon known as Image Persistence Image Persistence occurs when a residual or ghost image of a previous image remains visible on the screen Un...

Страница 25: ...English 23 English Chapter 4 Specifications This Chapter Includes AS221F on page 24 AS241F on page 25 ...

Страница 26: ... 89 CR 10 Response Time 6 ms Gray to Gray Typ Active Display Area Horiz Vert 476 1 mm 18 7 inches 267 8 mm 10 5 inches AUDIO AUDIO Input STEREO Mini Jack DisplayPort Connector HDMI Connector Analog Audio Digital Audio Digital Audio Stereo L R 500mV rms 20 Kohm PCM 2ch 32 44 1 48 kHz 16 20 24bit PCM 2ch 32 44 1 48 kHz 16 20 24bit Headphone Output STEREO Mini Jack Headphone Impedance 32 Ohm Speakers...

Страница 27: ...R 10 89 CR 10 Response Time 6 ms Gray to Gray Typ Active Display Area Horiz Vert 527 0 mm 20 7 inches 296 5 mm 11 7 inches AUDIO AUDIO Input STEREO Mini Jack DisplayPort Connector HDMI Connector Analog Audio Digital Audio Digital Audio Stereo L R 500mV rms 20 Kohm PCM 2ch 32 44 1 48 kHz 16 20 24bit PCM 2ch 32 44 1 48 kHz 16 20 24bit Headphone Output STEREO Mini Jack Headphone Impedance 32 Ohm Spea...

Страница 28: ...English 26 Appendix A OSD Controls List This Chapter Includes Picture on page 27 Sound on page 27 Setup on page 28 Information on page 28 Default values can be provided on request ...

Страница 29: ...es BLUE The change will appear on screen SHARPNESS Adjusts the crispness of the image H POSITION Analog input only Controls the horizontal position of the image within the display area of the LCD V POSITION Analog input only Controls the vertical position of the image within the display area of the LCD CLOCK Analog input only Press UP button to expand the width of the image on the right of the scr...

Страница 30: ... when powering on the monitor OSD TURN OFF The OSD menu will stay open as long as it is in use You can select how long the monitor waits after the last touch to turn off the OSD menu The preset choices are 5 100 seconds by 5 second increments OSD LOCK OUT This control completely locks out access to all of the OSD control functions except for BRIGHTNESS CONTRAST VOLUME and input change To activate ...

Страница 31: ... NEC DISPLAY SOLUTIONS is strongly committed to environmental protection and sees recycling as one of the company s top priorities in trying to minimize the burden placed on the environment We are engaged in developing environmentally friendly products and always strive to help define and comply with the latest independent standards from agencies such as ISO International Organisation for Standard...

Страница 32: ... the Energy Saving mode is activated The monitor enters a single Energy Saving mode For additional information visit https www necdisplay com in USA https www nec display solutions com in Europe https www nec display com global index html Global WEEE Mark European Directive 2012 19 EU and amendments Disposing of your used product In the European Union EU wide legislation as implemented in each Mem...

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