Samsung LH55QMFPLGC/EN manual Check the followings, Installation issue PC mode, Screen issue

Page 97

Check the followings.

Installation issue (PC mode)

The screen keeps switching on and off.

Check the cable connection between the product and PC, and ensure the connection is secure.

Blank spaces are found on all four sides of the screen when an HDMI or HDMI-DVI cable is connected to the product and PC.

The blank spaces found on the screen have nothing to do with the product.

Blank spaces on the screen are caused by the PC or graphics card. To resolve the problem, adjust the screen size in the HDMI or DVI settings for the graphics card.

If the graphics card settings menu does not have an option to adjust the screen size, update the graphics card driver to the latest version.

(Please contact the graphics card or computer manufacturer for further details about how to adjust the screen settings.)

PC is shown in Source when a PC is not connected.PC is always shown in Source irrespective of whether or not a PC is connected.

Screen issue

The power LED is off. The screen will not switch on.

Make sure that the power cord is connected.

No Signal is displayed on the screen.

Check that the product is connected correctly with a cable.

Check that the device connected to the product is powered on.

Depending on the type of external device, the screen may not display properly. In this case, connect it with the HDMI Hot Plug function turned On.

Not Optimum Mode is displayed.

This message is displayed when a signal from the graphics card exceeds the product's maximum resolution and frequency.

Refer to the Standard Signal Mode Table and set the maximum resolution and frequency according to the product specifications.

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Contents QM49F QM55F QM65F Table of contents Screen Adjustment Sound Adjustment Copyright Before Using the ProductSymbols Safety PrecautionsCleaning Power off the product and computerStorage Electricity and SafetyInstallation Samsung Operation Vent or input/output ports, etc Page Checking the Components PreparationsComponents Control Panel PartsPartsDescription Control menu Power OffButtons Description Port Description Reverse SideDP in 2 UHD 60Hz DP in 1 UHD 60HzTo lock an anti-theft locking device Anti-theft LockVOL Remote ControlQuickly select frequently used functions To place batteries in the remote controlYour remote control Connection Using an IR Stereo Cable sold separatelyTilting Angle and Rotation Installation on a Perpendicular WallVentilation Plane view Installation on an Indented WallInstalling the Wall Mount Installing the Wall MountWall Mount Kit Specifications Vesa Model namePin Signal Remote Control RS232CCable Connection RS232C CableLAN Cable Pin No Standard Color SignalGnd Cross LAN cable PC to PC Direct LAN cable PC to HUBConnection Controlling Set control command Viewing control state Get control commandCommand Command type Value rangeVolume control Power controlInput Source An input source code to be set on a product Input source controlScreen size control Screen mode controlPIP On/Off control Auto adjustment control PC and BNC onlySafety Lock Video Wall Mode ControlFull Natural Video Wall User Control Video Wall OnOff 10x10 Video Wall ModelSet Number 10x10 Video Wall Model 1 ~Before Connecting Connecting and Using a Source DeviceConnecting to a PC Connection Using an Hdmi CableConnection using a DVI cable Digital type Connection Using an DP CableConnection using the DVI-RGB cable Connection Using an HDMI-DVI CableSound → set Hdmi Sound to Pcdvi System → General → set Hdmi Hot Plug to Off――Sound → set Hdmi Sound to Avhdmi Connecting to a Video DeviceUsing an Hdmi cable or Hdmi to DVI Cable UHD 30Hz Connecting to an Audio SystemAttaching the Network box Sold separately Entering MagicInfo mode Connecting the Network box Sold separatelyMagicInfo BackB Apply Finish Cancel Source Changing the Input sourceEdit Name Source → SourceUninstallation 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 Multi Screen Home featureMulti Screen Home → Multi Screen → Enter EPicture Mode Picture ModeOn Timer On/Off TimerOff Timer On/Off TimerHoliday Management Network Settings Network SettingsHome → Network Settings→ Enter E MagicInfo Player MagicInfo PlayerHome → MagicInfo Player I → Enter E ID Settings ID SettingsDevice ID PC Connection CableVideo Wall Video WallHorizontal x Vertical Video WallFormat Screen PositionMore settings More settingsHome → More settings → Enter E Menu m → Picture → Picture Mode → Enter E Screen AdjustmentPicture Backlight Brightness Contrast Sharpness Color Tint G/RMenu m → Picture → Enter E Picture Mode Picture Mode settings Adjustable optionsMenu m → Picture → Color Temperature → Enter E Color TemperatureWhite Balance Menu m → Picture → White Balance → Enter EGamma ――If Picture Mode is set to Calibration, Gamma is disabledCalibrated Value Menu m → Picture → Calibrated Value → Enter EPicture Options Film Mode Off Dynamic BacklightPicture Options Digital NR Off Hdmi Black LevelDigital NR Color ToneHdmi Black Level Off /OnDynamic Backlight Film ModeColor Tone Off Digital NR Hdmi Black Level Off / AutoPicture Size · Zoom/Position ResolutionOffPicture Size Picture SizeZoom/Position ResolutionPicture Size PC Screen Adjustment Auto AdjustmentMenu m → Picture → Reset Picture → Enter E Reset PicturePicture Off Menu m → Picture → Picture Off → Enter EOnScreen Display Reset OnScreen DisplayMulti Screen OnScreen DisplayPIP Portrait PIP LandscapeMain picture Sub picture RestrictionsTriple Screen Portrait Triple Screen LandscapeFour Screen Portrait Four Screen LandscapeDisplay Orientation Source Content OrientationOnscreen Menu Orientation Aspect RatioScreen Protection Available Settings Optimum SettingsPixel Shift Screen ProtectionTimer Off / Repeat / Interval TimerMessage Display Menu Language Reset OnScreen DisplayMenu m → OnScreen Display → Menu Language → Enter E Initial settings System SetupSystem SystemPower On Delay Sleep TimerTime Clock SetMagicInfo I Source Auto Source Switching Auto Source SwitchingPrimary Source Recovery Primary SourceAuto Power On Power ControlPC Module Power Power ControlAuto Power On Off PC Module Power Power ButtonNetwork Standby Off Power Button Standby ControlEco Solution Eco SolutionEnergy Saving Eco SensorAuto Power Off No Signal Power OffScreen Lamp Schedule Screen Lamp ScheduleMenu m → System → Temperature Control → Enter E Temperature ControlChange PIN Menu m → System → Change PIN → Enter ESecurity GeneralHdmi Hot Plug GeneralMenu m → System → Reset System → Enter E Reset SystemHdmi Sound Sound AdjustmentSound Speaker Selection Sound on Video CallMenu m → Sound → Sound on Video Call → Enter E Menu m → Sound → Speaker Selection → Enter EMenu m → Sound → Reset Sound → Enter E Reset SoundReset All Software UpdateSupport Contact SamsungTesting the Product Troubleshooting GuideChecking the Resolution and Frequency Power off both the PC and productScreen issue Installation issue PC modeNot Optimum Mode is displayed Check the followingsAdjust Brightness and Contrast Sharpness Sound issueThis case, set Speaker Selection to External Speaker 100Source device issue Remote control issueOther issue 101102 There is no sound in Hdmi modeDVI-HDMI cable is connected Device with YCbCr output103 When booting the PC with the input source set toIR sensor is not functioning DisplayPort2How can I change the resolution? Settings104 Question Answer105 How do I set powersaving mode?Question 106 Specifications――Plug-and-Play 107108 Preset Timing ModesModel Name QM49F / QM55F / QM65F / SMT-4933 109 ResolutionVertical Frequency Pixel Clock Sync Polarity KHz MHz 110 Appendix Responsibility for the Pay Service Cost to Customers111 112 Optimum Picture Quality and Afterimage Burn-in PreventionOptimum Picture Quality Prevention of Afterimage Burn-inPreventing afterimage burn-in 113114 License115 Terminology
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LH49QMFPLGC/EN, LH55QMFPLGC/EN, LH65QMFPLGC/EN specifications

Samsung's QMF Series displays, including the LH65QMFPLGC/EN, LH55QMFPLGC/EN, and LH49QMFPLGC/EN models, represent a breakthrough in commercial signage technology. These screens are engineered to deliver exceptional performance, dazzling visuals, and robust reliability, making them ideal for diverse applications such as retail, corporate, and educational environments.

One of the standout features of the QMF Series is their impressive display quality. The screens utilize Samsung’s premium QLED technology, which enhances color accuracy and vibrancy, ensuring that every image stands out. With superb contrast ratios and stunning brightness levels, these displays can effectively capture attention, even in well-lit environments. They also support 4K resolution, providing sharp and clear visuals, crucial for detailed graphics and video content.

In addition to outstanding picture quality, the QMF Series incorporates advanced HDR (High Dynamic Range) technology. This allows for a broader range of colors and deeper blacks, enhancing the overall viewing experience. This feature serves to improve image quality across various content types, making it particularly beneficial for dynamic advertising and promotional presentations.

Durability and reliability are key characteristics of the QMF Series. These displays are designed for 24/7 operation, making them suitable for continuous use in high-demand environments. The inclusion of Samsung’s MagicINFO software allows for easy content management and scheduling, enabling users to remotely control and update displays with minimal effort. This feature is particularly valuable for businesses looking to streamline their operations and maximize the impact of their messaging.

The QMF Series displays also come equipped with a sleek and modern design, allowing them to seamlessly blend into any corporate or retail space. Their ultra-thin bezels provide a near-seamless visual experience when used in video wall configurations, further enhancing the immersive experience.

Connectivity options are abundant, featuring HDMI, DisplayPort, and USB ports, which offer versatile input methods for various content sources. Compatibility with multiple content management systems allows for enhanced flexibility in content integration.

In conclusion, the Samsung QMF Series displays, including the LH65QMFPLGC/EN, LH55QMFPLGC/EN, and LH49QMFPLGC/EN models, are designed to meet the demanding needs of modern commercial environments. With stunning QLED visuals, HDR support, robust reliability, and versatile connectivity, these displays are poised to elevate any viewing experience in retail, corporate, and educational settings.
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