Samsung LH105QMDNC/NG, LH105QMDNC/UE manual 103, Adjust Brightness and Contrast

Page 103

Screen issue

The screen is not clear. The screen is blurry.

Adjust Coarse and Fine.

Remove any accessories (video extension cable, etc) and try again.

Set the resolution and frequency to the recommended level.

The screen appears unstable and shaky.		Check that the resolution and frequency of the PC and graphics card are set within a range compatible
		with the product. Then, change the screen settings if required by referring to the Additional
There are shadows or ghost images left on the screen.		Information on the product menu and the Standard Signal Mode Table.

The screen is too bright. The screen is too dark.		Adjust Brightness and Contrast.

White does not really look white.		Go to Picture and adjust the White Balance settings.

There is no image on the screen and the power LED blinks		The product is in power-saving mode.
every 0.5 to 1 second.
every 0.5 to 1 second.		Press any key on the keyboard or move the mouse to return to the previous screen.

The product will turn off automatically.

Go to System and make sure Sleep Timer is set to Off.

If a PC is connected to the product, check the power status of the PC.

Make sure the power cable is connected properly to the product and power outlet.

If the signal from a connected device is not detected, the product automatically turns off after 10 to 15 minutes.

Picture quality of the product is different from the dealer shop where it was purchased.

Use an HDMI cable to obtain high-definition (HD) picture quality.

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Contents QM105D Table of contents Screen Adjustment Sound Adjustment Copyright Before Using the ProductPower off the product and computer Safety PrecautionsCleaning SymbolsStorage Electricity and SafetyInstallation Sloped surface, etc Install the product in a kitchen or near a kitchen counterProduct or cause a fire Operation Product failure, an electric shock or fire may result Output ports, etcPage Precautions when handling the panel Components Remote ControlPreparations Checking the ComponentsLAN cable External ambient sensor Items sold separatelyDescription Buttons PartsControl Panel Panel KeyControl menu ReturnButtons Description Port Description Reverse SideMagicInfo Player I Launch Button Remote ControlPower on the product Not Available Adjust the volume Change the input sourceUsing the remote control To place batteries in the remote controlQuickly select frequently used functions Connection Using an IR Stereo Cable sold separately Tilting Angle and Rotation Installation on a Perpendicular WallVentilation Model name DimensionsInstallation on an Indented Wall Plane viewInstalling the Wall Mount Installing the Wall MountWall Mount Kit Specifications Vesa RS232C Cable Remote Control RS232CPin Signal Cable ConnectionFemale Pin No Standard Colour SignalRS232C cable Connector 9-Pin D-Sub to Stereo Cable LAN CableCross LAN cable PC to PC Connector RJ45Signal Direct LAN cable PC to HUBConnection ConnectionCommand type Value range Viewing control state Get control commandControlling Set control command CommandVolume control Power controlInput source control Setting the input source Set Input SourceInput Source An input source code to be set on a product Screen mode control PIP On/Off control Auto adjustment control PC and BNC onlySafety Lock Video Wall Mode ControlFull Natural Set Video Wall Video Wall OnSet Video Wall On/Off WallOn Same as above NakOff 10x10 Video Wall ModelSet Number Data 10x10 Video Wall Model 1 ~Connection using the D-SUB cable Analogue type Connecting and Using a Source DeviceBefore Connecting Connecting to a PCConnection Using an HDMI-DVI Cable Connection using a DVI cable Digital typeConnection Using an DP Cable Connection Using an Hdmi CablePrecautions for using DP Connecting to a Video Device Using an Hdmi cable or Hdmi to DVI Cable up to 1080p Connecting to an Audio SystemConnecting the LAN Cable Attaching the Network box Sold separately MagicInfo Connecting the Network box Sold separatelyEntering MagicInfo mode Press Source on the remote control, and select MagicInfoSelect TCP/IP step Enter the IP informationSource Changing the Input sourceSource Edit NameUninstallation Using MDCUsing MDC via RS-232C serial data communications standards Connecting to MDCConnection using a direct LAN cable Using MDC via EthernetConnection using a cross LAN cable Home → Multi Screen → Enter E Home featureMulti Screen Multi ScreenPicture Mode Picture ModeOn/Off Timer On/Off TimerOn Timer Off TimerHoliday Management View the network settings Network SettingsNetwork Settings Home → Network Settings→ Enter EMagicInfo Player MagicInfo PlayerHome → MagicInfo Player I → Enter E PC Connection Cable ID SettingsID Settings Device IDVideo Wall Video WallVideo Wall Horizontal x VerticalFormat Screen PositionHome → More settings → Enter E More settingsMore settings Picture settings menu appearsBacklight 100 Brightness Contrast Sharpness Color Tint G/R Screen AdjustmentMenu m → Picture → Picture Mode → Enter E PictureMenu m → Picture → Enter E Picture Mode Picture Mode settings Adjustable optionsMenu m → Picture → White Balance → Enter E Color TemperatureMenu m → Picture → Color Temperature → Enter E White BalanceMenu m → Picture → Calibrated Value → Enter E ――If Picture Mode is set to Calibration, Gamma is disabledGamma Calibrated ValueDigital NR Off Hdmi Black Level Film Mode Off Auto Motion PlusPicture Options Picture OptionsHdmi Black Level Film ModeColor Tone Digital NRDynamic Backlight ResetColor Tone Off Digital NR Hdmi Black Level Low Film Mode Auto Motion PlusPicture Size · Zoom/Position ResolutionPicture Size Picture SizeZoom/Position ResolutionPicture Size PC Screen Adjustment Auto AdjustmentPicture Off Reset PictureMenu m → Picture → Reset Picture → Enter E Resets your current picture mode to its default settingsOnScreen Display Reset OnScreen DisplayOnScreen Display Multi ScreenPIP Portrait PIP LandscapeMain picture Sub picture RestrictionsPC, HDMI1, HDMI2, DisplayPort1, DisplayPort2, DisplayPort3 Triple Screen Portrait Triple Screen LandscapeFour Screen Portrait Four Screen LandscapeAspect Ratio Rotate ContentRotation Rotate MenuScreen Protection Available Settings Optimum SettingsScreen Protection Pixel ShiftTimer Off / Repeat / Interval TimerMessage Display Set the menu language Reset OnScreen DisplayMenu Language Menu m → OnScreen Display → Menu Language → Enter ESystem SetupInitial settings System SystemClock Set Sleep TimerPower On Delay TimeMagicInfo I Source Primary Source Auto Source SwitchingAuto Source Switching Primary Source RecoveryPower Control Power ControlAuto Power On PC Module PowerStandby Control Power ButtonAuto Power On Off PC Module Power Network Standby Off Power ButtonEco Sensor Eco SolutionEco Solution Energy SavingEnergy Saving Off Eco Sensor Screen Lamp Schedule Temperature ControlNo Signal Power Off Auto Power OffMenu m → System → Change PIN → Enter E Change PINGeneral GeneralSecurity Hdmi Hot PlugMenu m → System → Reset System → Enter E Reset SystemHdmi Sound Sound AdjustmentSound Speaker Selection Sound on Video CallMenu m → Sound → Reset Sound → Enter E Reset SoundContact Samsung Software UpdateMenu m → Support → Software Update → Enter E SupportGo to Home Picture ModeOn/Off Timer Network SettingsMore settings ID SettingsSupport Reset AllMenu m → Support → Reset All → Enter E 100101 Troubleshooting GuideTesting the Product Checking the Resolution and Frequency102 Installation issue PC modeScreen issue Not Optimum Mode is displayed103 Adjust Brightness and Contrast104 Sound issueSharpness Video is available but there is no sound Volume is too lowThere is audible sound when the volume is muted 105106 Remote control issueSource device issue Remote control does not workMulti Screen menu is not available Other issueThere is no sound in Hdmi mode 107IR sensor is not functioning This product does not support the HDMI-CEC feature108 HDMI-CEC does not workQuestion Answer SettingsHow can I change the resolution? 109110 How do I set powersaving mode?Question 111 Specifications112 113 PowerSaverPowerSaver Normal Operation Power saving mode Power off Max DPM Mode114 Preset Timing ModesModel Name QM105D 115 ResolutionPixel Clock Sync Polarity KHz MHz 116 Not a product defect Product damage caused by customers faultAppendix 117Correct disposal of batteries in this product 118Applicable in countries with separate collection systems Prevention of Afterimage Burn-in Optimum Picture Quality and Afterimage Burn-in Prevention119 Optimum Picture QualityPreventing afterimage burn-in 120121 Licence122 Terminology

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