NEC MultiSync EA224WMi No Sound, Brightness variations over time, USB Hub does not operate

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No Sound

Make sure the speaker cable is proper connected.

Check to see if mute is activated.

Check the VOLUME in the OSD menu.

Check selected OSD’s Tools to “SOUND INPUT”, when DisplayPort or HDMI is in use.

Brightness variations over time

Change AUTO BRIGHTNESS to OFF and adjust brightness.

NOTE: When AUTO BRIGHTNESS is set to ON, the monitor automatically adjusts brightness based on the environment. When the brightness of surrounding environment changes, the monitor will also change.

USB Hub does not operate

Check to make sure the USB cord is properly connected. Refer to your USB devise User’s Manual.

Human sensor does not work

If human icon on SENSOR SETTING (HUMAN SENSING) is located on vermilion color, it is detected that there is person.

Make sure there is no object in front of Human sensor.

Make sure there is no equipment which radiating infrared rays in front of monitor.

ControlSync does not work

Check to make sure that ControlSync cable is connected correctly.

Check to make sure that ControlSync cable is not in “loop” connection.

Master monitor should be connected OUT connector only.

Please use provided ControlSync cable.

You can use up to 5 sub monitors via ControlSync.

English

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Contents MultiSync EA224WMi MultiSync EA234WMi English-25 IndexEnglish-1 Declaration of Conformity Registration InformationCanadian Department of Communications Compliance Statement FCC InformationEnglish-3 Safety Precautions and MaintenanceRecommended use English-4 Cleaning the LCD PanelCleaning the Cabinet ErgonomicsContents English-6 Quick StartEnglish-7 Figure C.2English-8 Raise and Lower Monitor ScreenScreen Rotation Tilt and SwivelEnglish-9 Flexible Arm InstallationRemove Monitor Stand for Mounting English-10 Mount Flexible ArmAdditional Vesa Holes for Lower Monitor Head Position Contrast ECO ModeControls BrightnessSensor Setting Human Sensing OFF Mode SettingSensor Setting OFF Mode Setting Start Time OFF Mode SettingColor Screen Analog input onlyMenu Tools ToolsECO Information English-16 InformationOSD Warning English-17 Specifications EA224WMiMonitor Specifications MultiSync EA224WMi English-18 Specifications EA234WMiMonitor Specifications MultiSync EA234WMi English-19 FeaturesTroubleshooting Human sensor does not work No SoundBrightness variations over time USB Hub does not operateEnglish-22 Using the Auto Brightness functionEnglish-23 ControlSyncEnglish-24 TCO Certified Edge DisplaysWeee Mark European Directive 2002/96/EC Manufacturer’s Recycling and Energy InformationDisposing of your old NEC product Energy Saving