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Large Format Display
User's Manual
MultiSync C431
MultiSync C501
MultiSync C551
MODEL: C431, C501, C551
Please find your model name in the label on the rear side of the monitor.

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Summary of Contents for NEC C551Q

  • Page 1 Large Format Display User’s Manual MultiSync C431 MultiSync C501 MultiSync C551 MODEL: C431, C501, C551 Please find your model name in the label on the rear side of the monitor.
  • Page 2: Table Of Contents

    Index DECLARATION OF CONFORMITY ......................English-1 Important Information ........................... English-2 WARNING ............................English-2 CAUTION ............................English-2 Safety Precautions, Maintenance & Recommended Use................English-3 Safety Precautions and Maintenance ..................... English-3 Recommended Use ........................English-3 Ergonomics ............................. English-3 Cleaning the LCD Panel ......................... English-4 Cleaning the Cabinet ........................
  • Page 3: Declaration Of Conformity

    WARNING: The Federal Communications Commission does not allow any modifications or changes to the unit EXCEPT those specified by NEC Display Solutions of America, Inc. in this manual. Failure to comply with this government regulation could void your right to operate this equipment.
  • Page 4: Important Information

    CAUTION: Please use the power cord provided with this display in accordance with the table below. If a power cord is not supplied with this equipment, please contact NEC. For all other cases, please use the power cord with the plug style that matches the power socket where the monitor is located.
  • Page 5: Safety Precautions, Maintenance & Recommended Use

    ANSI/NFPA 70, the National Electrical • Do not bend, crimp or otherwise damage the power cord. Code (NEC), in particular Section 820.93, Grounding of • Do not place any heavy objects on the power cord. Outer Conductive Shield of a Coaxial Cable.
  • Page 6: Cleaning The Lcd Panel

    Cleaning the LCD Panel • When the LCD panel is dusty, please gently wipe with a soft cloth. • Clean the LCD monitor surface with a lint-free, non- abrasive cloth. Avoid using any cleaning solution or glass cleaner! • Please do not rub the LCD panel with hard material. •...
  • Page 7: Installation

    Please note the following when mounting on wall or ceiling • When using mounting accessories other than those that are NEC approved, they must comply with the VESA- compatible (FDMlv1) mounting method. • NEC recommends mounting interfaces that comply with UL1678 standard in North America.
  • Page 8 Changing NEC logo ornament position • DO NOT mount to areas that have no supporting internal When using the monitor in the portrait position, the NEC logo structure. DO NOT use wood screws or anchor screws for ornament position can be changed.
  • Page 9: Attaching Mounting Accessories

    NOTE: Installing the monitor at the wrong height can When using mounting accessories other than NEC compliant cause tipping. and approved, they must comply with the VESA Flat Display Please install your monitor at proper height.
  • Page 10: Parts Name And Functions

    Parts Name and Functions Control Panel Power Button ( Menu/Exit Button (MENU/EXIT) Switches the power on/standby. See also page 16. Activates the OSD menu when the OSD menu is turned off. Acts as a back button within the OSD to move to the previous Mute Button (MUTE) OSD menu.
  • Page 11: Terminal Panel

    Terminal Panel USB Upstream AC IN Connector LAN port IN (RJ-45) Connects with the supplied power cord. LAN connection. See page 41. Main Power Switch USB port On/Off switch to turn main power ON/OFF. USB (2A): USB storage device port. To use the Media Player, please connect USB storage device microSD Card Slot to this port (See page 15).
  • Page 12: Wireless Remote Control

    Wireless Remote Control EXIT Button Returns to the previous menu within the OSD menu. UP/DOWN Button ( / ) Acts as button to move the highlighted area up or down to select adjustment items within the OSD menu. MINUS/PLUS (-/+) Button Increases or decreases the adjustment level within the OSD menu settings.
  • Page 13: Operating Range For The Remote Control

    Operating Range for the Remote Control Point the top of the remote control toward the LCD monitor’s remote control sensor during button operation. Use the remote control within a distance of about 7 m (23 ft.) from the remote control sensor, or at a horizontal and vertical angle of within 30°...
  • Page 14: Setup

    For mini D-Sub 15-pin, please use a shielded signal cable with ferrite core. NEC recommends the following battery use: For HDMI, DisplayPort, USB and D-Sub • Place “AAA” size batteries matching the (+) and (-) signs 9-pin, please use a shielded signal cable.
  • Page 15 8. Adjust the sound Make volume adjustments when required. 9. Adjust the screen (See page 27 and page 28) Make adjustments to the image position, if necessary. 10. Adjust the image (See page 28) Make adjustments such as backlight or contrast when required.
  • Page 16: Connections

    Connections NOTE: Do not connect or disconnect cables when turning on the monitor’s main power or other external equipment’s power, as this may result in a loss of the monitor image. NOTE: Use an audio cable without a built-in resistor. Using an audio cable with a built-in resistor turns down the sound. Before making connections: First turn off the power of all the attached equipment and make connections.
  • Page 17: Connecting A Personal Computer

    Connecting a Personal Computer Connecting your computer to your LCD monitor will enable you to reproduce your computer’s video signal output. Some display cards may not be able to support the required resolution for proper image reproduction. Your LCD monitor shows proper image by adjusting the factory preset timing signal automatically. <Typical factory preset signal timing>...
  • Page 18: Basic Operation

    Basic Operation Power ON and OFF Modes The LCD monitor power indicator will turn blue while powered on. NOTE: The Main Power switch must be in the ON position in order to power up the monitor using the remote control or the Power button.
  • Page 19: Power Indicator

    Power Indicator Aspect For VIDEO, VGA (RGB, YPbPr) LED indicator status and Condition Recovery FULL ZOOM NORMAL lighting pattern Glowing blue Normal For DisplayPort Blinking green* The monitor has detected no FULL ZOOM NORMAL signal input after a certain amount of time has passed when INPUT DETECT is not For HDMI1, HDMI2, HDMI3 NONE, STANDBY USB POWER...
  • Page 20: Media Player

    Media Player Plays saved data, such as still and motion images, BGM (Background Music), on a USB storage device or microSD memory card connected to the monitor. Top screen of the viewer • Select [SETTINGS] to change the Media Player settings. •...
  • Page 21 Supported formats File extension Audio codec .wav LPCM .mp3 Information Item Conditions Resolution JPEG 5000x5000 4000x4000 MPEG1 480@30fps MPEG2 MP@ML, MP@HL, 1080p@30fps / 1080i@60fps H.264 High profile Lv.4.2, 1080p@30fps / 1080i@60fps Advanced@L3, Simple&Main Video bit date Up to 15Mbps Audio sampling rate Up to 48KHz Audio bit rate Up to 384Kbps...
  • Page 22: File Display Screen

    Compatible USB memory Format a USB memory in the FAT32 format or FAT16 format for using it in the Media Player. Refer to the computer’s instruction user’s manual or Help file on how to format a USB memory. Please use a USB memory with this monitor in accordance with the drawing below. If the physical size of the USB device is larger than than the supported sizes listed below, please use a USB extension cable.
  • Page 23: Slideshow Display

    Slideshow display • Select a folder that contains images or movies. • A slideshow can be displayed using “MANUAL” in which the images are switched by operating a button on the remote control, or “AUTO” in which the images are switched automatically at a set interval (PLAY MODE is “AUTO”). •...
  • Page 24: Network & Other Settings

    NETWORK & OTHER SETTINGS Below are the options for the Network settings and Shared Folder settings for the Media Player. To select the settings, press the remote control SET/POINT ZOOM button on the NETWORK & OTHER SETTINGS. NETWORK SETTINGS for Media Player Menu Function IP SETTING...
  • Page 25: Using Shared Sd Card Settings

    Using SHARED SD card SETTINGS You can copy data to the microSD memory card, such as motion or still images, from a computer connected to the same network as the monitor. Please set the NETWORK SETTINGS for the Media Player (See page 22) first to copy data. NOTE: When the monitor is copying a folder, the LED indicator blinks in red.
  • Page 26: Using Contents Copy

    4. RELOAD. Updates microSD memory card data. 5. THUMB/LIST. The files can be displayed using either icons or thumbnails. Displays description of the file or folder if you select thumb name or file name. 6. SORT. Select sort type. The folders saved in the microSD are sorted based on what you selected for the sort type. 7.
  • Page 27: Picture Mode

    Picture Mode Select from five different picture modes, either via the OSD menu item PICTURE MODE or using the PICTURE MODE button on the wireless remote control. For DisplayPort, VGA (RGB), HDMI1, HDMI2, HDMI3 HIGHBRIGHT STANDARD sRGB CINEMA CUSTOM1 CUSTOM2 For VGA (YPbYr), VIDEO, MP HIGHBRIGHT STANDARD...
  • Page 28: Osd (On-Screen-Display) Controls

    OSD (On-Screen-Display) Controls NOTE: Some functions may not be available depending on the model or optional equipment. Input source Main Menu Icons MULTI-INPUT Main Menu Item PICTURE: HIGHBRIGHT PICTURE MODE STANDARD BRIGHTNESS sRGB GAMMA CINEMA COLOR CUSTOM1 CONTRAST CUSTOM2 Adjustment Settings SHARPNESS Sub Menu ADJUST...
  • Page 29: Input

    OSD Settings INPUT DisplayPort Select input signal. HDMI1 HDMI2 HDMI3 VGA (RGB/YPbPr) VIDEO Displays images or movies saved in microSD memory card or USB storage device. Please refer to the Media Player setting (See page 18). PICTURE PICTURE MODE Select picture mode: [HIGHBRIGHT], [STANDARD], [sRGB], [CINEMA], [CUSTOM1], [CUSTOM2]. See page 25. BRIGHTNESS BACKLIGHT Adjusts the overall image and background brightness.
  • Page 30 COLOR SYSTEM The selected Color System depends on the video format of the input signal. VIDEO input only AUTO NTSC Automatically chooses Color System setting based on input signal. SECAM 4.43 NTSC PAL-60 INPUT RESOLUTION Selects one of the following pair of resolutions as the input signal priority: VGA (RGB) input only 1366 x 768 or 1280 x 768 or 1024 x 768 (vertical resolution 768) ASPECT*...
  • Page 31: Audio

    AUDIO VOLUME Increase or decrease output volume level. BALANCE BALANCE Select STEREO or MONO for the audio output. If you select STEREO, adjust the L/R volume balance. Press the + button to move the stereo sound image to right. Press the - button to move the stereo sound image to left. NOTE: BALANCE is not available if MONO is set at STEREO/MONO.
  • Page 32: Multi Input

    HOLIDAY SETTINGS Creates holiday schedule for the monitor. YEAR Set YEAR and MONTH. MONTH Select DAY or WEEK. DAY: Set a day. WEEK WEEK: Set a week and the day of the week. If you set [--] at MONTH or YEAR, every month or year of the day you set is select as a holiday. END DAY Set the end of holiday date.
  • Page 33: Osd

    TERMINAL SETTINGS VGA MODE Selects RGB or YPbPr for VGA input. DisplayPort BIT RATE Select RBR or HBR. VIDEO LEVEL AUTO: Automatically sets input signals by adjusting connected equipment. RAW: For computer settings. Show all input signals of 0-255 gray levels. EXPAND: For audio-visual equipment settings.
  • Page 34: Multi Display

    MULTI DISPLAY TILE MATRIX* Allows one image to be expanded and displayed over multiple screens (up to 100) through a distribution (Except for MP) amplifier. NOTE: Low resolution is not suitable for tiling to a large number of monitors. You can operate without a distribution amplifier at a lower number of screens.
  • Page 35: Control

    CONTROL NETWORK Shows the current network settings. INFORMATION NOTE: When changing any LAN settings, you need to wait several seconds until modified LAN settings are applied. IP SETTING Enabling this option automatically assigns an IP address to the monitor from your DHCP server. Disabling this option allows you to enter a fixed IP address and subnet mask data obtained from your network administrator.
  • Page 36 KEY LOCK SETTINGS Prevents the monitor from being controlled by the buttons on the monitor. When ACTIVATE is selected all of the settings are activated. NOTE: KEY LOCK SETTINGS is a function intended only for the buttons of the monitor. This function does not lock out access to all buttons on the remote control.
  • Page 37: System

    POWER INDICATOR POWER INDICATOR Turns the LED on or off. If OFF is selected, the LED will not glow when the LCD monitor is in active mode. SCHEDULE Turns the LED on or off depending on a schedule activity which is set at “SCHEDULE SETTINGS”. If OFF is INDICATOR selected, the LED will not glow even if a schedule is in active mode.
  • Page 38 As with all personal display devices, NEC DISPLAY SOLUTIONS recommends displaying moving images and using a moving screen saver at regular intervals whenever the screen is idle, or turn off the monitor’s main power or set it to standby when not in use.
  • Page 39: Remote Control Functions

    Remote Control Functions REMOTE CONTROL ID FUNCTION Monitor ID:1 Monitor ID:2 Monitor ID:3 REMOTE CONTROL ID The remote control can be used to control up to 100 individual monitors using what is called Remote works Remote works Remote works the REMOTE CONTROL ID mode. The REMOTE CONTROL ID mode works in conjunction with the Monitor ID, allowing control of up to 100 individual monitors.
  • Page 40 WIRED REMOTE CONTROL FUNCTION Ø You can control multiple monitors by connecting REMOTE IN/OUT with Stereo Mini plug cable ( 3.5 mm) [Not supplied]. Remote IN Remote OUT Remote IN Remote OUT Remote control cable Remote control cable NOTE: Turn off the main power switch before connect/disconnect Stereo Mini plug cable. NOTE: Do not use this connector for any other purpose.
  • Page 41: Controlling The Lcd Monitor Via Rs-232C Remote Control

    Controlling the LCD monitor via RS-232C Remote Control This LCD monitor can be controlled by connecting a personal computer with an RS-232C (reverse type) terminal. Functions that can be controlled by a personal computer are: • Power ON or standby. •...
  • Page 42 1) Interface PROTOCOL RS-232C BAUD RATE 9600 [bps] DATA LENGTH 8 [bits] PARITY NONE STOP BIT 1 [bit] FLOW CONTROL NONE This LCD monitor uses RXD, TXD and GND lines for RS-232C control. The reverse type cable (null modem cable) (not included) should be used for RS-232C control. 2) PIN ASSIGNMENT RS-232C input/output Pin No...
  • Page 43: Controlling The Lcd Monitor Via Lan Control

    Controlling the LCD monitor via LAN Control Connecting to a Network Using a LAN cable allows you to specify the Network Settings and the Alert Mail Settings by using an HTTP server function. To use a LAN connection you are required to assign an IP address. Example of LAN connection: Server NOTE: Use a category 5 or higher LAN cable.
  • Page 44 Example 1: When the host name of the monitor has been set to “pd.nec.co.jp”, access is gained to the network setting by specifying http://pd.nec.co.jp/index.html for the address or the entry column of the URL.
  • Page 45 Network Setting Click on “NETWORK” on the left column below HOME. IP SETTING Select an option for setting the IP ADDRESS. AUTO: Automatically assign an IP address. MANUAL: Manually set an IP address for the monitor connected to the network. NOTE: Consult your network administrator if you have any trouble.
  • Page 46 Mail Setting Click on “MAIL” on the left column below HOME. This option notifies your computer about an error message via e-mail when using wired LAN. An error message will be sent when an error occurs in the monitor. ALERT MAIL Selecting [ENABLE] will turn on the Alert Mail feature.
  • Page 47 SNMP Settings Click on “SNMP” on the left column below HOME. The SNMP protocol is used to get status information and to control a monitor directly via the network. Version: SNMP v1 Authenticated plaintext by community name, does not return a confirmation message of the trap. SNMP v2c Authenticated plaintext by community name, returns a confirmation message of the trap.
  • Page 48 Name Settings Click on “NAME” on the left column below HOME. MONITOR NAME Defines a monitor name. The name must be max. 16 characters long. The default is the model name. HOST NAME Type in the hostname of the monitor which is connected to the network. (CONTROL) Up to 15 alphanumeric characters can be used.
  • Page 49 This monitor supports control command, which is listed in the “External_Control.pdf” file on the CD-ROM supplied with the monitor, but also supports common ASCII control command, which is used for controlling the NEC monitor or projector from a connected PC. For further information please visit our website.
  • Page 50 Supporting HDMI CEC command OSD menu HDMI CEC command name Explanation Setting One Touch Play If HDMI CEC supporting devices are (Consumer turned on, the monitor connected to the Electronics devices by HDMI cable is also turned on Control) automatically. After that, the input switches to HDMI from an input, which you selected.
  • Page 51: Point Zoom

    POINT ZOOM Using the “SET/POINT ZOOM” button on the remote control enlarges part of the screen image. Press the CH+/- button to zoom in or out. The image can be expanded up to 10 times. 1 Press the [SET/POINT ZOOM] button on the remote control. The icon looks like a magnifier. 2 Move the magnifier icon with the [ ] [ ] [+] [-] buttons.
  • Page 52: Features

    FullScan Capability: Allows use of the entire screen area in most resolutions, significantly expanding the image size. VESA Standard (FDMIv1) Mounting Interface: Mounts the monitor to any VESA standard (FDMIv1) third party mounting arm or bracket. NEC recommends using mounting equipment which complies with TÜV-GS (Germany) and/or UL1678 standard (North America).
  • Page 53: Troubleshooting

    • Make sure that a supported resolution has been selected NOTE: As with all personal display devices, NEC on the display card or system being used. DISPLAY SOLUTIONS recommends displaying If in doubt, please refer to the user’s manual of the display moving images, using a moving screen saver, or card or system to change the resolution.
  • Page 54 No Sound Interference in TV • Check to see if the audio cable is properly connected. • Check components for shielding, move away from monitor if necessary. • Check to see if MUTE is activated. Use the remote control to enable or disable the Mute function. RS-232C or LAN control is not available •...
  • Page 55: Specifications - C431

    Specifications - C431 Product Specifications LCD Module 43"/107.95 cm diagonal Pixel Pitch: 0.49 mm Resolution: 1920 x 1080 Color: Over 1073 million colors (depending on display card used) Brightness: 400 cd/m (Max.) @25°C Contrast Ratio: 4000:1 Viewing Angle: 89° (typ) @ CR>10 Frequency Horizontal: 15.625/15.734 kHz, 31.5 kHz - 91.1 kHz...
  • Page 56: Specifications - C501

    Specifications - C501 Product Specifications LCD Module 50"/125.73 cm diagonal Pixel Pitch: 0.57 mm Resolution: 1920 x 1080 Color: Over 1073 million colors (depending on display card used) Brightness: 400 cd/m (Max.) @25°C Contrast Ratio: 4000:1 Viewing Angle: 89° (typ) @ CR>10 Frequency Horizontal: 15.625/15.734 kHz, 31.5 kHz - 91.1 kHz...
  • Page 57: Specifications - C551

    Specifications - C551 Product Specifications LCD Module 55"/138.78 cm diagonal Pixel Pitch: 0.63 mm Resolution: 1920 x 1080 Color: Over 1073 million colors (depending on display card used) Brightness: 400 cd/m (Max.) @25°C Contrast Ratio: 4000:1 Viewing Angle: 89° (typ) @ CR>10 Frequency Horizontal: 15.625/15.734 kHz, 31.5 kHz - 91.1 kHz...
  • Page 58: Manufacturer's Recycling And Energy Information

    Manufacturer’s Recycling and Energy Information 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 Standardization) and TCO (Swedish Trades Union).
  • Page 59: [Notice] About The Mpeg-4 Avc, Mpeg-4 Visual License Included In This Product

    [Notice] About the MPEG-4 AVC, MPEG-4 Visual license included in this product 1. MPEG-4 AVC THIS PRODUCT IS LICENSED UNDER THE AVC PATENT PORTFOLIO LICENSE FOR THE PERSONAL USE OF A CONSUMER OR OTHER USES IN WHICH IT DOES NOT RECEIVE REMUNERATION TO (i) ENCODE VIDEO IN COMPLIANCE WITH THE AVC STANDARD (“AVC VIDEO”) AND/OR (ii) DECODE AVC VIDEO THAT WAS ENCODED BY A CONSUMER ENGAGED IN A PERSONAL ACTIVITY AND/OR WAS OBTAINED FROM A VIDEO PROVIDER LICENSED TO PROVIDE AVC VIDEO.

This manual is also suitable for:

Multisync c501Multisync c551C431C501C551Multisync c431

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