NEC M491-PT User Manual

NEC M491-PT Manual

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  • NEC M491-PT | User Manual - Page 1
    User's Manual Large Format Display MultiSync M431 MultiSync M491 MultiSync M551 MultiSync M651 MODEL: M431, M491, M551, M651 Please find your model name on the label on the rear side of the monitor.
  • NEC M491-PT | User Manual - Page 2
    Table of Contents Important Information 2 Recommended Use & Maintenance 8 Recommended Use 8 Maintenance 8 Chapter 1 Installation Setup Overview 10 Mounting (for Customer 13 Mounting (for Trained Installers 14 Mounting Location 15 Orientation 15 Ventilation Requirements 16 Mounting on
  • NEC M491-PT | User Manual - Page 3
    Control Controlling the Monitor via RS-232C 52 Controlling the Monitor via LAN 53 HTTP Browser 54 Commands 60 Proof of Play 61 Chapter 7 Troubleshooting Screen Image and Video Signal Issues 63 No picture 63 Image persistence 63 The image is blinking 63 The image is unstable, unfocused or
  • NEC M491-PT | User Manual - Page 4
    Appendix A Trademark and Software License Appendix B External Resources Appendix C OSD Controls List INPUT 76 PICTURE 78 AUDIO 81 SCHEDULE 82 SLOT 83 NETWORK 85 PROTECT 86 SYSTEM 89 Appendix D Manufacturer's Recycling and Energy Information Disposing of your old NEC product 92 Energy
  • NEC M491-PT | User Manual - Page 5
    Display Solutions of America, Inc. in this manual. Failure to comply with this government regulation could installed and used in accordance with the instructions, may cause harmful interference to radio to Identify and Resolve Radio-TV Interference Problems." This booklet is available from the U.S.
  • NEC M491-PT | User Manual - Page 6
    About the Symbols To ensure safe and proper use of the product, this manual uses a number of symbols to prevent injury to you and others as well you to electric shock, fire, or other risks. Refer all servicing to qualified service personnel. Do not use the product if it has structural damage.
  • NEC M491-PT | User Manual - Page 7
    is strongly recommended to use a trained service person. 7 Failure to follow the standard on a table or with a mounting accessory for support. When transporting, moving, or installing the product, for the M651. Please refer to the instructions included with the optional mounting equipment for
  • NEC M491-PT | User Manual - Page 8
    to a wall using a cord or chain that can support the weight of the product in order to prevent the preventing tipping. Please refer to the table top stand manual. • Be sure to remove the cord or chain /wall in accordance with the installation instructions. Many injuries, particularly to children,
  • NEC M491-PT | User Manual - Page 9
    cabinet or use your product near water. 12 Immediately turn off the power and unplug your product from the wall outlet, then refer servicing to qualified service personnel. It may cause an electric shock or start a fire. Do not use flammable gas sprays to remove dust when cleaning the product
  • NEC M491-PT | User Manual - Page 10
    CAUTION Handling the power cord. Handle the power cord with care. Damaging the cord could lead to fire or electric shock. • When connecting the power cord to the product's AC IN terminal, make sure the connector is fully and firmly inserted. • Fasten the power cord to the product by attaching the
  • NEC M491-PT | User Manual - Page 11
    U.S.A./Canada EU U.K. Voltage 120* 230 230 * Please use this power cord under 125 V power supply.  NOTE: This product can only be serviced in the country where it was purchased. China 220 Japan 100 Connecting to a TV*1 • Cable distribution system should be grounded (earthed) in
  • NEC M491-PT | User Manual - Page 12
    Recommended Use & Maintenance Recommended Use Ergonomics To realize the maximum ergonomic benefits, we recommend the following: • For optimum performance of the monitor, allow 20 minutes for warming up. Avoid reproduction of still patterns on the monitor for long periods of time to avoid image
  • NEC M491-PT | User Manual - Page 13
    Chapter 1 Installation This Chapter Includes: >> "Setup Overview" on page 10 >> "Mounting (for Customer)" on page 13 >> "Prevent Tipping" on page 13 >> "Changing the Logo Ornament Position" on page 13 >> "Mounting (for Trained Installers)" on page 14 >> "Mounting Location" on page 15 >> "Orientation
  • NEC M491-PT | User Manual - Page 14
    external equipment (see page 26) • To protect the external equipment, turn off the main power before making connections. • Refer to the user's manual of your equipment for further information.  NOTE: Do not connect/disconnect cables when turning on the monitor or other external equipment as this
  • NEC M491-PT | User Manual - Page 15
    4. Connect the supplied power cord  WARNING: Please refer to the "Important Information" section of this user's manual for proper selection of an AC power cord.  CAUTION: Please refer to "CAUTION 1".  NOTE: • The monitor should be installed close to an easily accessible power
  • NEC M491-PT | User Manual - Page 16
    10. For long-term use The backlight used for this monitor has a limited life and its brightness decreases with the usage time. Also, if the same still image is shown for a long time, "Image Persistence" may occur. "Image Persistence" is a phenomenon in which the image of an LCD remains visible after
  • NEC M491-PT | User Manual - Page 17
    other problems that may occur with the mounting equipment. If a problem is detected, please refer to qualified personnel for service. • manual of ST-401 and ST-43M for "structure of Prevent Tipping". M651 Cord or chain Before attaching the monitor to the wall, make sure that the wall can support
  • NEC M491-PT | User Manual - Page 18
    , inspect the installation location to ensure that it is strong enough to Gap support the weight of the unit so that the unit will be safe from harm. • For detailed information, refer to the instructions included with the mounting equipment. NEC strongly recommends using the screws as shown
  • NEC M491-PT | User Manual - Page 19
    Installing a safety wire  WARNING: Please refer to "WARNING 9".  CAUTION: Please refer to "CAUTION 7".  NOTE: When installing, do not apply pressure to the LCD panel or excessive force to any part of the monitor by pushing or leaning on it. This may cause the monitor to become distorted or
  • NEC M491-PT | User Manual - Page 20
    ≥100 mm ≥100 mm Ventilation Requirements When mounting in an enclosed space or recessed area, leave adequate room between the monitor and the enclosure to allow heat to disperse, as shown below. ≥100 mm ≥30 mm ≥100 mm
  • NEC M491-PT | User Manual - Page 21
    : Prior to installation, place the monitor face down on a flat even surface that is larger than the monitor screen. Use a sturdy table that can easily support the weight of the monitor. English−17
  • NEC M491-PT | User Manual - Page 22
    the Optional Table Top Stand  WARNING: Please refer to "WARNING 8".  CAUTION: Please refer to "CAUTION 5". For installation, follow the instructions included with the stand or mounting equipment. Use only those devices recommended by the manufacturer.  NOTE: • M431, M491 and M551 use
  • NEC M491-PT | User Manual - Page 23
    Height adjustment (M551) 1. The lines on the stand pole are indicators of the height adjustment (Figure 1). Please adjust the pipe to the lines. Pipe M551 High/Low M491 M431 Adjust the pipe to a line. Figure 1 2. Please install the stand pole and the pipe with included screws. Please screw the two
  • NEC M491-PT | User Manual - Page 24
    Chapter 2 Parts Names and Functions This Chapter Includes: >> "Control Panel" on page 21 >> "Terminal Panel" on page 22 >> "Wireless Remote Control" on page 24 English−20
  • NEC M491-PT | User Manual - Page 25
    Control Panel Monitor in Landscape position Up Left Right Down Monitor in Portrait position Up Left Right Down A ⏻ Button (power button) Switches between power on and standby. See page 34. B MENU/EXIT Button Opens the OSD menu when the OSD menu is closed. Acts as a back button within the OSD
  • NEC M491-PT | User Manual - Page 26
    a USB Device" on page 32. D DisplayPort IN DisplayPort signals input. E HDMI IN (HDMI1 (ARC)/HDMI2) HDMI signals input.  NOTE: • HDMI1 terminal also supports ARC (Audio Return Channel) for audio output. • ARC sends the monitor's sound to audio equipment with an HDMI1 ARC connector. • Use the
  • NEC M491-PT | User Manual - Page 27
    K RS-232C IN (D-Sub 9-pin) Connect RS-232C input from external equipment, such as a computer, in order to control RS-232C functions. See page 52. L Internal Speaker M Handle Two for M431, M491, and M551. Four for M651. N Security Slot Security and theft protection lock slot compatible with
  • NEC M491-PT | User Manual - Page 28
    the audio output level. M CH/ZOOM +/- Button* For use with an Option Board. The function depends on which Option Board is installed in the monitor. N GUIDE Button For use with an Option Board. The function depends on which Option Board is installed in the monitor. English−24
  • NEC M491-PT | User Manual - Page 29
    only. *: When using with an Option Board, the function depends on which Option Board is installed in the monitor. Refer to the Option Board's user's manual for further information. English−25
  • NEC M491-PT | User Manual - Page 30
    making connections: • Turn off the device's power before connecting it to the monitor. • Refer to the device's user manual for available connection types and instructions for the device. • We recommend turning off the monitor's main power before connecting or disconnecting a USB storage device or
  • NEC M491-PT | User Manual - Page 31
    Wiring Diagram USB storage device. Dotted lines = other signal Solid lines = video signal Dashed lines = audio signal USB DisplayPort IN HDMI IN (ARC) HDMI IN LAN IN AUDIO OUT REMOTE Computer (DisplayPort) HDMI video player or Computer (HDMI) Blu-ray or DVD Player (HDMI) AV Amplifier
  • NEC M491-PT | User Manual - Page 32
    Connecting to a Personal Computer Connecting to a Computer with HDMI • Please use an HDMI cable with the HDMI logo. • It may take a moment for the signal to appear after turning on the computer. • Some display cards or drivers may not show an image correctly. • When you use a computer with HDMI,
  • NEC M491-PT | User Manual - Page 33
    also supports 4K content. Supports HDCP (ARC) using the included ARC-supported HDMI cable, the audio equipment supported, the monitor's remote control can be used to control the HDMI media device.  NOTE: The instructions in this section guide supports CEC and CEC is enabled. Depending on
  • NEC M491-PT | User Manual - Page 34
    device is recording, the device remains on. Please refer to the user's manual supplied with the HDMI-CEC compatible device for further information. Use the audio equipment with ARC function to HDMI1 (ARC) by the included ARC supported HDMI cable. Use the  buttons to select [AUDIO RECEIVER] then
  • NEC M491-PT | User Manual - Page 35
    . Refer to the computer's instruction user's manual or Help file on how to format a USB storage device. Please use a USB storage device with this monitor in accordance with the drawing below. If the physical size of the USB storage device is larger than the supported
  • NEC M491-PT | User Manual - Page 36
    Connecting a USB Device USB storage device reader for use with the internal Media Player. See page 40. Power supply port. This port is for updating the firmware of the monitor via a USB storage device. Imports or exports the monitor settings via the USB storage device when selecting [CLONE SETTING].
  • NEC M491-PT | User Manual - Page 37
    Chapter 4 Basic Operation This Chapter Includes: >> "Power ON and OFF Modes" on page 34 >> "Operating Range for the Remote Control" on page 35 >> "Using Power Management" on page 35 >> "Showing the Information OSD" on page 36 >> "Switching Between Picture Modes" on page 36 >> "Setting the Aspect
  • NEC M491-PT | User Manual - Page 38
    Power ON and OFF Modes Press the ⏻ button on the Control Panel or POWER ON button on the remote control to turn on the monitor. The monitor's power LED indicates the current status of the monitor. Please refer to the following table for information about the power indicator. Power indicator status
  • NEC M491-PT | User Manual - Page 39
    automatically if the keyboard or mouse are not used during the time set in the computer's power management settings. Refer to your computer's user manual for more information. When connected to an AV source, such as a Blu-ray, DVD, or streaming video player, power consumption by the monitor reduces
  • NEC M491-PT | User Manual - Page 40
    ], [RETAIL], [CONFERENCING], [HIGHBRIGHT], [TRANSPORTATION] and [CUSTOM]. The picture modes are pre-configured with settings for general use. See "Using Picture Modes" on page 45 for instructions on changing the picture mode settings. English−36
  • NEC M491-PT | User Manual - Page 41
    Setting the Aspect Ratio Press the ASPECT button on the remote control to cycle through the options available for the current input signal.  NOTE: [Media Player] is not available. [FULL] ➙ [WIDE] ➙ [1:1] ➙ [ZOOM] ➙ [NORMAL] Aspect ratio of image 4:3 Unchanged view*2 Recommended selection for
  • NEC M491-PT | User Manual - Page 42
    COLOR CONTRAST ADVANCED NATIVE RETAIL CONFERENCING TRANSPORTATION CUSTOM Adjustment Settings Select Press  or  to navigate to a sub-menu. Goto Adjustment Key Guide Press SET/POINT ZOOM to select an option. Remote Control Return Close Press  or , + or - to select the function or setting
  • NEC M491-PT | User Manual - Page 43
    . INPUT: Select settings related to the input signal source. Configure the Media Player settings. PICTURE: Select one of the default picture modes, manually adjust the color settings, adjust the aspect ratio, and adjust other settings related to the picture. AUDIO: Adjust volume, balance, equalizer
  • NEC M491-PT | User Manual - Page 44
    Using the Media Player Menu The Media Player plays image, video, and music files located on a USB storage device connected the USB port on the monitor (see page 22). To open the Media Player menu, press the MENU button on the remote control and select [Media Player] with [INPUT SELECT] in the OSD
  • NEC M491-PT | User Manual - Page 45
    ] under [INPUT SIGNAL SETTINGS] (see page 77). • Only use USB mass storage class device types. There is no support for any other kind of USB device. • We cannot guarantee to support all commercially available USB mass storage devices. • Do not use a USB hub. • Do not use a multi-partition USB
  • NEC M491-PT | User Manual - Page 46
    mode File Extension Data format Max. Bit rate Max. Channel No. MP3 MPEG1/2 Layer3 (MP3) 320 Kbps 2ch MOVIE mode Container format Supported Video codec Supported Audio codec MPG, MPEG MPEG1, MPEG2, MPEG4 LPCM, MP3, AAC TS MPEG2, H.264, HEVC/H.265 LPCM, MP3, AAC MP4 MPEG2, MPEG4
  • NEC M491-PT | User Manual - Page 47
    Chapter 5 Advanced Operation This Chapter Includes: >> "Creating a Power Schedule" on page 44 >> "Using Picture Modes" on page 45 >> "Setting Security and Locking the Monitor Controls" on page 46 >> "Password Security" on page 46 >> "Locking the Button Controls" on page 48 >> "Setting the Remote
  • NEC M491-PT | User Manual - Page 48
    Creating a Power Schedule The schedule function allows the monitor to automatically change between power on and standby modes at different times. To program the schedule: 1. Enter the [SCHEDULE] menu. a U sing the remote control, highlight [SCHEDULE INFORMATION] using the  and  buttons. b P
  • NEC M491-PT | User Manual - Page 49
    Using Picture Modes There are different picture modes available. These picture modes have also been configured with settings as described in the "Picture Mode Types" table below. To change picture modes: Press the PICTURE MODE button on the wireless remote control to cycle through the modes, or
  • NEC M491-PT | User Manual - Page 50
    page 56 for the monitor's web controls. Settings Location The instructions in this section guide you through configuring security and locking functions in the monitor's OSD password, you will need to contact technical support to get a recovery password to access the monitor OSD menu. English−46
  • NEC M491-PT | User Manual - Page 51
    Set a password for the monitor This step is only required if you want to change the password. PROTECT: POWER SAVE SETTINGS THERMAL MANAGEMENT SCREEN SAVER POWER ON DELAY SECURITY SETTINGS LOCK SETTINGS ALERT MAIL RESET PASSWORD: o o o o SECURE MODE: START-UP LOCK CONTROL LOCK CHANGE PASSWORD
  • NEC M491-PT | User Manual - Page 52
    Locking the Button Controls The lock settings prevent the monitor from responding to button presses on the remote control or monitor control panel. When locking the button controls, some buttons can be configured to remain unlocked for users to adjust the settings. Locking and unlocking the button
  • NEC M491-PT | User Manual - Page 53
    Locking the Control Panel Buttons The [KEY] in the [LOCK SETTINGS] prevent the monitor from being controlled using the buttons on the monitor Control Panel. Enabling the [KEY] does not lock the buttons on the remote control. PROTECT: POWER SAVE SETTINGS THERMAL MANAGEMENT SCREEN SAVER POWER ON
  • NEC M491-PT | User Manual - Page 54
    Setting the Remote Control ID Function The remote control can be used to control up to 100 individual MultiSync monitors using what is called the REMOTE CONTROL ID mode. The REMOTE CONTROL ID mode works in conjunction with the Monitor ID, allowing control of up to 100 individual MultiSync monitors.
  • NEC M491-PT | User Manual - Page 55
    Chapter 6 External Control This Chapter Includes: >> "Controlling the Monitor via RS-232C" on page 52 >> "Controlling the Monitor via LAN" on page 53 >> "HTTP Browser" on page 54 >> "Commands" on page 60 >> "Proof of Play" on page 61 Connecting an external device There are two options to connect an
  • NEC M491-PT | User Manual - Page 56
    input/output" on page 53. To control the monitor via commands sent from a computer connected with an RS-232C cable, please use the control command. Instructions for the control command can be found in the "External_Control.pdf". See page 73. This monitor uses RXD, TXD and GND lines for RS-232C
  • NEC M491-PT | User Manual - Page 57
    PIN ASSIGNMENT RS-232C input/output Pin No 1 2 3 4 5 6 7 8 9 Name NC RXD TXD NC GND NC NC NC NC D-SUB 9P (Monitor side) 5 1 6 9 This monitor uses RXD, TXD and GND lines for RS-232C control. Controlling the Monitor via LAN Connecting to a Network Using a LAN cable allows you to specify the
  • NEC M491-PT | User Manual - Page 58
    HTTP Browser Overview Connecting the monitor to a network allows for remote control of the monitor from a computer connected to the same network. This device uses "JavaScript" and "Cookies" and the browser should be set to accept these functions. Refer to the help files for the web browser to
  • NEC M491-PT | User Manual - Page 59
    OSD Menu Settings in the Monitor Web controls Select one of the links on the left side of the monitor web controls to configure the settings available in the monitor's OSD. Please see page 75 for the full list of OSD menu controls. [INPUT], [PICTURE], [AUDIO], [SCHEDULE], [SLOT], [NETWORK], [PROTECT
  • NEC M491-PT | User Manual - Page 60
    an IP address for the monitor connected to the network. NOTE: Consult your network administrator if you have any trouble. Set your IP address for the monitor connected to the network when [MANUAL] is selected for [IP SETTING]. Set your subnet mask data for the monitor connected to the network when
  • NEC M491-PT | User Manual - Page 61
    Please contact your supplier. Please contact your supplier. Please contact your supplier. Please contact your supplier. Please check "No picture" in "Troubleshooting". Please get a log by using PD external command. See page 61. Please connect the monitor to the power then recharge the battery
  • NEC M491-PT | User Manual - Page 62
    BEACON To turn on or off for the detection from AMX Device Discovery when connecting to a network supported by an AMX's NetLinx control system. HINT: When using a device that supports AMX Device Discovery, all AMX NetLinx control systems will recognize the device and download the appropriate Device
  • NEC M491-PT | User Manual - Page 63
    the left column below HOME. CRESTRON ROOMVIEW compatibility The monitor supports CRESTRON ROOMVIEW, allowing multiple devices connected in the network to Up to 60 alphanumeric characters can be used. Network Service Settings Click on "NETWORK SERVICE" on the left-hand column below HOME. PJLink
  • NEC M491-PT | User Manual - Page 64
    monitor, providing remote control of the monitor from a connected device. Instructions for each command format can be found in the external documents "External_Control This monitor supports control command, which is listed in the "External_Control.pdf" (See page 73), but also supports common ASCII
  • NEC M491-PT | User Manual - Page 65
    Proof of Play This function allows sending of messages for the current status of the monitor by self-diagnosis. For the Proof of Play function including self-diagnosis, please see the "External_Control.pdf". See page 73. Check item a INPUT Message DisplayPort, HDMI1, HDMI2, Media Player, COMPUTE
  • NEC M491-PT | User Manual - Page 66
    Chapter 7 Troubleshooting This Chapter Includes: >> "Screen Image and Video Signal Issues" on page 63 >> "No picture" on page 63 >> "Image persistence" on page 63 >> "The image is
  • NEC M491-PT | User Manual - Page 67
    position. • Make sure both the computer and monitor are powered on. • Make sure that a supported resolution has been selected on the display card or system being used. If in doubt, please refer to the user's manual of the display controller or system to change the resolution. • Check the monitor and
  • NEC M491-PT | User Manual - Page 68
    Image Adjust controls to increase or decrease the coarse adjustment. • Make sure that a supported resolution has been selected on the display card or system being used. • If in doubt, please refer to the user's manual of the display card or system to change the resolution. Selected resolution is
  • NEC M491-PT | User Manual - Page 69
    if necessary. The USB hub does not operate • Check to make sure that the USB cable is properly connected. Refer to your USB device user's manual. • Check that the USB upstream port on the monitor is connected to the USB downstream port on the computer. Please make sure the computer is
  • NEC M491-PT | User Manual - Page 70
    Chapter 8 Specifications This Chapter Includes: >> "Compatible Signal List" on page 67 >> "M431" on page 68 >> "M491" on page 69 >> "M551" on page 70 >> "M651" on page 71 English−66
  • NEC M491-PT | User Manual - Page 71
    Compatible Signal List Signal name VGA SVGA XGA HD WXGA SXGA WXGA SXGA+ WXGA+ UXGA WSXGA+ Full HD WUXGA 4K/2 4K HDTV (1080p) HDTV (1080i) HDTV (720p) SDTV (576p) SDTV (480p) SDTV (576i) SDTV (480i) *: Only HBR2 is set. Resolution 640 x 480 800 x 600 1024 x 768 1280 x 720 1280 x 768 1280 x 800 1280
  • NEC M491-PT | User Manual - Page 72
    M431 LCD Module Product Specifications 43"/108.0 cm diagonal Pixel Pitch: 0.245 mm Resolution: 3840 x 2160 Color: Over 1073 million colors (depending on display card used) Brightness: 500 cd/m2 (Max.) @25 °C Contrast Ratio: 1000:1 Viewing Angle: 89° (typ) @ CR>10 Frequency Horizontal: 15 - 136
  • NEC M491-PT | User Manual - Page 73
    M491 LCD Module Product Specifications 49"/123.2 cm diagonal Pixel Pitch: 0.280 mm Resolution: 3840 x 2160 Color: Over 1073 million colors (depending on display card used) Brightness: 500 cd/m2 (Max.) @25 °C Contrast Ratio: 1100:1 Viewing Angle: 89° (typ) @ CR>10 Frequency Horizontal: 15 - 136
  • NEC M491-PT | User Manual - Page 74
    M551 LCD Module Product Specifications 55"/138.8 cm diagonal Pixel Pitch: 0.315 mm Resolution: 3840 x 2160 Color: Over 1073 million colors (depending on display card used) Brightness: 500 cd/m2 (Max.) @25 °C Contrast Ratio: 1100:1 Viewing Angle: 89° (typ) @ CR>10 Frequency Horizontal: 15 - 136
  • NEC M491-PT | User Manual - Page 75
    M651 LCD Module Product Specifications 65"/163.9 cm diagonal Pixel Pitch: 0.372 mm Resolution: 3840 x 2160 Color: Over 1073 million colors (depending on display card used) Brightness: 500 cd/m2 (Max.) @25 °C Contrast Ratio: 1100:1 Viewing Angle: 89° (typ) @ CR>10 Frequency Horizontal: 15 - 136
  • NEC M491-PT | User Manual - Page 76
    Appendix A Trademark and Software License Trademarks Microsoft® and Windows® are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. NEC is a registered trademark of NEC Corporation. DisplayPort™ and the DisplayPort™ logo are trademarks
  • NEC M491-PT | User Manual - Page 77
    necpdsdk "Projector/Monitor Common ASCII Control Command - Reference Manual" PDF document This document defines the communications protocol for Solutions website in your region. "Raspberry Pi Compute Module - Setup Guide" PDF document This document describes the features, installation, connectivity,
  • NEC M491-PT | User Manual - Page 78
    applicable to the video wall. The software, available for Microsoft Windows and macOS, is available for purchase and may require the use of a supported external color sensor. Please contact an authorized NEC dealer or see the NEC Display Solutions website in your region for purchase information and
  • NEC M491-PT | User Manual - Page 79
    Appendix C OSD Controls List This Chapter Includes >> "INPUT" on page 76 >> "PICTURE" on page 78 >> "AUDIO" on page 81 >> "SCHEDULE" on page 82 >> "SLOT" on page 83 >> "NETWORK" on page 85 >> "PROTECT" on page 86 >> "SYSTEM" on page 89 Default values can be provided on request. English−75
  • NEC M491-PT | User Manual - Page 80
    does not search for video signal on the other input connections. If video signal is lost on the current input, or if the monitor is manually switched to an input that does not have video signal, the screen will go black and the LED will flash green. If [POWER SAVE] is
  • NEC M491-PT | User Manual - Page 81
    remote control CEC functions are: 0 to 9 and - in the keypad, ENT, EXIT GUIDE, MUTE, SET/POINT ZOOM, VOL+, VOL-, CH/ZOOM+, CH/ZOOM-. Depending on the same level of CEC integration and control, or they may only provide support for their products. The HDMI-CEC compatible device goes into standby at
  • NEC M491-PT | User Manual - Page 82
    INPUT MENU AUDIO RECEIVER When [ENABLE] is selected, the internal speaker is muted and connected audio equipment with ARC function outputs the sound. When [DISABLE] is selected, connected audio equipment with ARC function is muted and the internal speaker outputs the sound.  NOTE: • It may
  • NEC M491-PT | User Manual - Page 83
    PICTURE MENU GAMMA NATIVE 2.2 2.4 S GAMMA DICOM SIM. PROGRAMMABLE1, 2, 3 COLOR COLOR COLOR TEMPERATURE COLOR CONTROL CONTRAST ADVANCED HDR MODE SHARPNESS ASPECT NORMAL FULL WIDE 1:1 ZOOM ZOOM HZOOM VZOOM H POS V POS ADAPTIVE CONTRAST*2 Select a monitor gamma correction for best picture quality.
  • NEC M491-PT | User Manual - Page 84
    PICTURE MENU AUTO DIMMING AUTO BRIGHTNESS AMBIENT LIGHT SENSING HUMAN SENSING*1 DISABLE AUTO OFF CUSTOM Adjusts the backlight of the LCD automatically depending on the amount of ambient light. Adjusts the brightness level according to the input signal. The backlight of the LCD panel can be set to
  • NEC M491-PT | User Manual - Page 85
    MATRIX Allows one image to be expanded and shown over multiple screens (up to 100) through a distribution amplifier. This option is for manually configuring the TILE MATRIX settings that are automatically configured when using [AUTO TILE MATRIX SETUP].  NOTE: • Low resolution is not suitable for
  • NEC M491-PT | User Manual - Page 86
    AUDIO MENU EQUALIZER TREBLE BASS ADVANCED LINE OUT AUDIO DELAY AUDIO DELAY DELAY TIME INTERNAL SPEAKER RESET Accentuates or reduces the high frequency range of audio signals. Press the + button to increase [TREBLE]. Press the - button to decrease [TREBLE]. Accentuates or reduces the low frequency
  • NEC M491-PT | User Manual - Page 87
    . Press [YES] to force a shutdown of the installed Option Board.  NOTE: Please use this function only when the operating system cannot be shut down manually. Press [YES] to force a shutdown and restart of the Option Board when it does not respond to shutdown using the [POWER BUTTON] or [FORCE
  • NEC M491-PT | User Manual - Page 88
    SLOT MENU POWER SETTING AUTO POWER UP The Compute Module will be turned on automatically when the monitor power is turned on. AUTO SHUTDOWN The Compute Module is turned off when the monitor switches into standby mode. POWER SUPPLY OFF DELAY This sets the time delay after the Shutdown Signal
  • NEC M491-PT | User Manual - Page 89
    . Set the IP addresses of DNS servers. [AUTO]: The DNS server which is connected to the monitor will automatically assign its IP address. [MANUAL]: Manually enter the IP address of the DNS server which is connected to the monitor.  NOTE: Consult your network administrator for the IP address when
  • NEC M491-PT | User Manual - Page 90
    fans will automatically turn off when the monitor is cooler. When [ON] is selected the fans are always on. The fans cannot be turned off manually. Use the + and - button on the remote control to adjust the maximum internal temperature the monitor can reach before the fan turns on when [AUTO
  • NEC M491-PT | User Manual - Page 91
    PROTECT MENU SCREEN SAVER MOTION POWER ON DELAY DELAY TIME LINK TO ID SECURITY SETTINGS PASSWORD SECURE MODE START-UP LOCK CONTROL LOCK CHANGE PASSWORD CURRENT PASSWORD NEW PASSWORD CONFIRM PASSWORD LOCK SETTINGS SELECT MODE UNLOCK ALL LOCK CUSTOM LOCK Use the [SCREEN SAVER] function to reduce the
  • NEC M491-PT | User Manual - Page 92
    PROTECT MENU POWER VOLUME MIN VOL/MAX VOL INPUT ACTIVATE/ DEACTIVATE ALERT MAIL RESET Select [UNLOCK] to be able to use the POWER button when all buttons are locked. Select [LOCK] to lock the button. When [IR] is selected in [SELECT]: - UNLOCK: Enable to control the volume with the VOL +/- button
  • NEC M491-PT | User Manual - Page 93
    SYSTEM SYSTEM MENU MONITOR INFORMATION FIRMWARE MAC ADDRESS DATE & TIME YEAR MONTH DAY TIME CURRENT DATE TIME DAYLIGHT SAVING DAYLIGHT SAVING BEGIN MONTH END MONTH TIME DIFFERENCE EXTERNAL CONTROL MONITOR ID GROUP ID CONTROL TERMINAL LANGUAGE Shows the model name, serial number and firmware version
  • NEC M491-PT | User Manual - Page 94
    kept in [PORTRAIT] mode. Shows the OSD in landscape orientation. Shows the OSD in portrait orientation. Shows the monitor's button controls Key Guide when open the OSD Menu. The Key Guide is aligned to the monitor's button control panel and does not move if the OSD POSITION changes. It is a visual
  • NEC M491-PT | User Manual - Page 95
    Appendix D Manufacturer's Recycling and Energy Information This Chapter Includes: >> "Disposing of your old NEC product" on page 92 >> "Energy Saving" on page 92 >> "WEEE Mark (European Directive 2012/19/EU and amendments)" on page 93 NEC DISPLAY SOLUTIONS is strongly committed to environmental
  • NEC M491-PT | User Manual - Page 96
    Disposing of your old NEC product The aim of recycling is to gain an environmental benefit by means of re-use, upgrading, reconditioning or reclamation of material. Dedicated recycling sites ensure that environmentally harmful components are properly handled and securely disposed. To ensure the best
  • NEC M491-PT | User Manual - Page 97
    legislation. According to EU directive 2006/66/EC and amendments, the battery can't be disposed improperly. The battery shall be separated to collect by local service. English−93 Rev. 2
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User’s Manual
Large Format Display
MultiSync M431
MultiSync M491
MultiSync M551
MultiSync M651
MODEL: M431, M491, M551, M651
Please find your model name on the label on the rear side of the monitor.