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NEC BT421 User Manual

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User's Manual
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Please find your model name in the label on the rear side of monitor.



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  Summary of Contents for NEC BT421

  • Page 1 User’s Manual Large Format Display BT421 MODEL: BT421 Please find your model name in the label on the rear side of monitor.
  • Page 2: Table Of Contents

    Network Setting by Using an HTTP Browser ..................... English-22 Features .................................... English-24 Troubleshooting ................................. English-25 Specifications - BT421 ..............................English-27 Manufacturer’s Recycling and Energy Information ......................English-28 Disposing of your old NEC product ........................English-28 Energy Saving ..............................English-28 WEEE Mark (European Directive 2012/19/EU and amendments) ..............English-29...
  • Page 3: Declaration Of Conformity

    NEC is a registered trademark of NEC Corporation. OmniColor is a registered trademark of NEC Display Solutions Europe GmbH in the countries of EU and Switzerland. All other brands and product names are trademarks or registered trademarks of their respective owners.
  • Page 4: Important Information

  • Page 5: Safety Precautions, Maintenance & Recommended Use

    Do not place any heavy objects on the power cord. in accordance with ANSI/NFPA 70, the National Electrical Damage to the cord may cause shock or fire. Code (NEC), in particular Section 820.93, Grounding of • The power supply cord you use must have been Outer Conductive Shield of a Coaxial Cable.
  • Page 6: For Use In Japan Only

    For use in Japan only This color monitor is designed for use in Japan and can not be used in any other countries. Cleaning the LCD Panel • When the liquid crystal panel is dusty, please gently wipe with a soft cloth. •...
  • Page 7: Contents

    Contents Your new monitor box* should contain the following: • LCD monitor • Wireless Remote Control and AAA Batteries x 2 • Power cord* • Setup Manual • Video Signal Cable • Clamp • Screw Power Cord* Video Signal Cable Wireless Remote Control and AAA Batteries x 2 Setup Manual...
  • Page 8: Installation

    For contents, please refer to the contents sheet. To prevent the LCD monitor from falling off from the wall or ceiling, NEC strongly recommends using a safety wire. This device cannot be used or installed without the Tabletop Stand or other mounting accessory for support. For proper...
  • Page 9: Attaching Mounting Accessories

    Orientation 2. Ventilation Requirements • When using the monitor in the portrait position, it should When mounting in an enclosed space or recessed area, be rotated clockwise so that the right side is moved to leave adequate room between the monitor and the enclosure the top, left side is moved to the bottom.
  • Page 10: Parts Name And Functions

    Parts Name and Functions Control Panel MENU button (MENU) UP button ( ) Turns on/off the OSD menu. Acts as UP button to move the highlighted area up to select adjustment items within OSD menu. SOURCE button (SOURCE) DOWN button ( ) Acts as INPUT button within OSD menu.
  • Page 11: Terminal Panel

    Terminal Panel AC IN Connector DVI Output Connector Connects with the supplied power cord. Connect it to the DVI input connector of the digital input interface of another display. Main Power Switch DVI Input Connector (DVI1) On/Off switch to turn main power ON/OFF. DVI Input Connector (DVI2) LAN Port (RJ-45) Connect it to a device conforming to the DVI standard of...
  • Page 12: Wireless Remote Control

    Wireless Remote Control POWER button PICTURE button Switches the power on/standby. Selects picture mode, [Dynamic], [Standard], [Cinema], [Custom]. INPUT button Dynamic: for moving images such as DVD. Selects input signal. Standard: for images. DVI1, DVI2 Cinema: for Cinema. Custom: activate auto dimming function. INFO button ASPECT button Turns on/off the information OSD.
  • 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 5 m (16 ft.) from the remote control sensor, or at a horizontal and vertical angle of within 30°...
  • Page 14: Setup

    CAUTION: Incorrect usage of batteries can result in leaks or 6. Operate the attached external equipment bursting. Show the signal on the screen from the desired input source. NEC recommends the following battery use: 7. Adjust the image (See page •...
  • Page 15: 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. Before making connections: First turn off the power of all the attached equipment and make connections. Refer to the user’s manual included with each separate piece of equipment.
  • Page 16: Basic Operation

    Basic Operation Power ON and OFF Modes The LCD monitor power indicator will turn green 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 17: Power Indicator

    Power Indicator Aspect Full Trim up Trim down Zoom Normal LED indicator status and Condition Recovery lighting pattern Glowing green Normal 1. Turn on the monitor by the remote Original Signal Mode control or the 16:9 monitor button. Glowing red The monitor is turned off with the scheduler function set.
  • Page 18: Osd (On-Screen-Display) Controls

    OSD (On-Screen-Display) Controls For this monitor, an OSD (on-screen display) function is used to allow you to easily adjust settings. You can use the OSD function to control the menu displayed on the screen and adjust the brightness and other settings. Basic Operations on the OSD Screen Make sure that the power indicator lights in green and the power to the monitor is on.
  • Page 19 Step Wireless Remote Control Keypad Operation Press the [OK] button to determine the selected item in the Press the [SOURCE] button to determine the selected item sub menu. in the sub menu. Press the left ( )/right ( ) button to select a setting and Press the plus (+)/minus (-) button to select a setting and press the [OK] button to determine the setting.
  • Page 20: Picture

    PICTURE Picture Mode Select [Dynamic], [Cinema], [Custom], or [Standard]. Adjust Contrast, Brightness, Sharpness, Tint, and Color. If these categories are adjusted individually, Custom is displayed for Picture Mode. Backlight Adjust the Backlight setting. Color Temperature Adjust Color Temperature. The color temperature can be set either with the predefined color temperatures, or by adjusting the individual R/G/B levels.
  • Page 21: Initial Setting

    As with all personal display devices, NEC DISPLAY SOLUTIONS recommends displaying moving images and using a moving “Anti-Image Retention”...
  • Page 22: 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. CAUTION: RS-232C and LAN specification are exclusive. Functions that can be controlled by a personal computer are: •...
  • Page 23 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 24: 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. CAUTION: RS-232C and LAN specification are exclusive.
  • Page 25 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 26: Features

    Features Reduced Footprint: Provides the ideal solution for environments with superior image quality. OmniColor: Combines Six-axis color control and the sRGB standard. Six-axis color control permits color adjustments via six axes (R, G, B, C, M and Y) rather than through the three axes (R, G and B) previously available. The sRGB standard provides the monitor with a uniform color profile.
  • Page 27: Troubleshooting

    The Remote Control is not functioning • Check the batteries status of the Remote Control. NOTE: As with all personal display devices, NEC DISPLAY SOLUTIONS recommends displaying • Check if the batteries are inserted correctly. moving images, using a moving screen saver, or •...
  • Page 28 The SCHEDULE/Sleep Timer function is not working Interference in TV properly • Check components for shielding, move away from • The “SCHEDULE” function will be disabled when the monitor if necessary. “Sleep Timer” is set. RS-232C or LAN control is not available •...
  • Page 29: Specifications - Bt421

    Specifications - BT421 Product Specifications LCD Module 42" / 1071.7 mm diagonal Pixel Pitch: 0.542 mm Resolution: 1920 x 480 Color: Over 16 million colors Brightness: 700 cd/m (MAX) @25°C Contrast Ratio: 4000:1 Viewing Angle: Left/Right: 178° (typ) @ CR>10, Up/Down: 178° (typ) @ CR>10...
  • Page 30: 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 31: Weee Mark (European Directive 2012/19/Eu And Amendments)

    WEEE Mark (European Directive 2012/19/EU and amendments) Disposing of your used product: In the European Union EU-wide legislation as implemented in each Member State requires that used electrical and electronic products carrying the mark (left) must be disposed of separately from normal household waste. This includes monitors and electrical accessories, such as signal cables or power cords.