NEC BT421 User Manual Download

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Please find your model name in the label on the rear side of monitor.

MODEL: BT421

User’s Manual

Large Format Display

BT421

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Summary of Contents for BT421

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

Page 2: ...a Personal Computer English 13 Basic Operation English 14 Power ON and OFF Modes English 14 Power Indicator English 15 Using Power Management English 15 Aspect English 15 Information OSD English 15 OSD On Screen Display Controls English 16 Basic Operations on the OSD Screen English 16 PICTURE English 18 Setup English 18 Initial Setting English 19 Multi Display English 19 System Information English...

Page 3: ...use harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or reloc...

Page 4: ... SERVICE PERSONNEL This symbol warns user that uninsulated voltage within the unit may have sufficient magnitude to cause electric shock Therefore it is dangerous to make any kind of contact with any part inside this unit This symbol alerts the user that important literature concerning the operation and maintenance of this unit has been included Therefore it should be read carefully in order to av...

Page 5: ...once a year to remove dirt and dust When using a LAN cable do not connect to a peripheral device with wiring that might have excessive voltage Do not use the monitor in high temperature humid dusty or oily areas Do not use monitor under rapid temperature and humidity change condition and avoid cold air from air conditioning outlet directly as it may shorten the lifetime of the monitor or cause con...

Page 6: ...terioration or discoloration on the LCD panel surface Cleaning the Cabinet Unplug the power supply Gently wipe the cabinet with a soft cloth To clean the cabinet dampen the cloth with a neutral detergent and water wipe the cabinet and follow with a dry cloth NOTE DO NOT clean with benzene thinner alkaline detergent alcoholic system detergent glass cleaner wax polish cleaner soap powder or insectic...

Page 7: ...Power Cord 1 Wireless Remote Control and AAA Batteries x 2 Remember to save your original box and packing material to transport or ship the monitor 1 Type and number of power cords included will depend on the where the LCD monitor is to be shipped When more than one power cord is included please use a power cord that matches the AC voltage of the power outlet and has been approved by and complies ...

Page 8: ...etween adjacent monitor edges When installing do not apply pressure to the screen or excessive force to any part of the monitor by pushing or leaning on it This may cause the monitor to become distorted or damaged To prevent the LCD monitor from falling off from the wall or ceiling NEC strongly recommends using a safety wire Please install LCD monitor in a spot of the wall or ceiling strong enough...

Page 9: ...position To avoid damaging the front face place the protective sheet on the table underneath the LCD monitor The protective sheet was wrapped around the LCD monitor in the original packaging Make sure there is nothing on the table that can damage the monitor NOTE Prior to installation be sure to place the monitor on a flat area with adequate space NOTE You can use 200 mm 100 mm holes for mounting ...

Page 10: ...n to move the highlighted area up to select adjustment items within OSD menu 6 DOWN button Acts as DOWN button to move the highlighted area down to select adjustment items within OSD menu G POWER button Switches the power on off See also page 14 H Remote control sensor and Power Indicator Receives the signal from the remote control when using the wireless remote control See also page 11 Glows gree...

Page 11: ... Sub 9 pin Connect RS 232C input from external equipment such as a computer in order to control RS 232C functions E DVI Output Connector Connect it to the DVI input connector of the digital input interface of another display F DVI Input Connector DVI1 G DVI Input Connector DVI2 Connect it to a device conforming to the DVI standard of digital input interface H Service port This port is for future s...

Page 12: ...es selection 8 ADJUST button Cannot be used with this monitor 9 BACK button Returns to previous menu within OSD menu J PICTURE button Selects picture mode Dynamic Standard Cinema Custom Dynamic for moving images such as DVD Standard for images Cinema for Cinema Custom activate auto dimming function K ASPECT button Selects picture aspect Full Trim up Trim down Zoom See page 15 L MUTE button Cannot ...

Page 13: ...in 30 and within a distance of about 3 5 m 11 ft Caution Important the remote control system may not function when direct sunlight or strong illumination strikes the remote control sensor or when there is an object in the path Handling the remote control Do not expose to strong shock Do not allow water or other liquid to splash on the remote control If the remote control gets wet wipe it dry immed...

Page 14: ...h exposed battery acid it may injure your skin NOTE If you do not intend to use the Remote Control for a long period of time remove the batteries 3 Connect external equipment See page 13 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 mo...

Page 15: ...l 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 Resolution Scanning frequency Horizontal Vertical 640 x 480 31 5 kHz 60 Hz 800 x 600 37 9 kHz 60 Hz 1024 ...

Page 16: ...nitor 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 Main Power Switch OFF ON Power Button Using the remote control POWER button ...

Page 17: ...D indicator status and lighting pattern Condition Recovery Glowing green Normal 1 Turn on the monitor by the remote control or the monitor button 2 Send an AV signal input to the monitor Glowing red The monitor is turned off with the scheduler function set Turn off the monitor by the remote control or the monitor button Turn on the monitor by the remote control or the monitor button NOTE If the in...

Page 18: ...indicator lights in green and the power to the monitor is on Step Wireless Remote Control Keypad Operation 1 Press the MENU button to display the OSD screen Press the up down button to select an item in the main menu 2 Press the OK button to determine the selected item in the main menu The top item in the relevant sub menu is selected Press the SOURCE button to determine the selected item in the m...

Page 19: ...e the selected item in the sub menu 5 Press the left right button to select a setting and press the OK button to determine the setting Press the plus minus button to select a setting and press the MENU button to determine the setting 6 Press the BACK button to exit from the current menu and return to the previous menu Press the MENU button to exit from the current menu ...

Page 20: ...the current date and time in Date Time To enable the Schedule function enable the scheduler from the menu When the Schedule function is enabled the Sleep Timer function does not operate Signal Check Priority Set Priority1 to Priority5 Priority1 highest priority as the priority of each signal When the current source signal is lost the display attempts to find a new signal source according to the Si...

Page 21: ...s the previous image was displayed For example if an image was on the monitor for one hour and a residual image remains the monitor should be turned off for one hour to erase the image As with all personal display devices NEC DISPLAY SOLUTIONS recommends displaying moving images and using a moving Anti Image Retention at regular intervals whenever the screen is idle or turning off the monitor when...

Page 22: ...r in reverse order the com port may not work When controlling the monitor connected with an RS 232C cable please refer to the Control command diagram See page 23 or see the External_Control pdf file on the CD ROM supplied with the monitor RS 232C Cable Computer RS 232C NOTE If your computer is equipped only with a 25 pin serial port connector a 25 pin serial port adapter is required Contact your s...

Page 23: ...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 1 6 5 9 D SUB 9P Monitor side Pin No Name 1 NC 2 RXD 3 TXD 4 NC 5 GND 6 NC 7 NC 8 NC 9 NC This LCD monitor uses RXD TXD and GND lines for RS 232C control ...

Page 24: ...NETWORK SETTINGS screen does not appear in the web browser press the Ctrl F5 keys to refresh your web browser or clear the cache If the monitor appears to be slow in response to commands or clicks on buttons in the browser or the general speed of operation is unacceptable this may be due to network trafﬁc or the settings on your network Should this happen consult your network administrator The mon...

Page 25: ...ction Monitor ID 1 Code Data Power ON 01 30 41 30 41 30 43 02 43 32 30 33 44 36 30 30 30 31 03 73 0d Power OFF 01 30 41 30 41 30 43 02 43 32 30 33 44 36 30 30 30 34 03 76 0d Input Source Select DVI1 01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 33 03 71 0d or 01 30 41 30 45 30 41 02 30 30 36 30 30 30 30 34 03 76 0d Input Source Select DVI2 01 30 41 30 45 30 41 02 30 30 36 30 30 30 31 30 03 73 0d or...

Page 26: ...Microsoft solution with the Windows operating system facilitates setup and installation by allowing the monitor to send its capabilities such as screen size and resolutions supported directly to your computer automatically optimizing display performance IPM Intelligent Power Manager System Provides innovative power saving methods that allow the monitor to shift to a lower power consumption level w...

Page 27: ...able this may cause image roughness or blink for a moment In this case please connect the cable to the monitor directly without using a repeater or a distributor or replace the cable with a higher quality cable Using a twisted pair extender may cause image roughness depending on the environment where the monitor is in or the cable you are using For further information please ask your supplier The ...

Page 28: ...e power to the LCD monitor is turned off when the power supply is interrupted unexpectedly then the Sleep Timer will be reset Snowy Picture Poor Sound in TV Check antenna cable connection Use new cable if necessary Interference in TV Check components for shielding move away from monitor if necessary RS 232C or LAN control is not available Check RS 232C reverse type or the LAN cable A category 5 or...

Page 29: ...A 100 240V AC 50 60Hz Operational Environment Temperature 1 Humidity Altitude 0 50 C 32 122 F 20 80 without condensation 0 2000 m Brightness may decrease with altitude Storage Environment Temperature Humidity 20 60 C 4 140 F 10 90 without condensation 90 3 5 x Temp 40 C regarding over 40 C Dimension 1059 9 W x 288 9 H x 64 7 D mm 41 7 W x 11 4 H x 2 5 D inches Weight 9 3 kg 20 5 lbs VESA compatibl...

Page 30: ...way once it has reached the end of its life All required information concerning the disposal of the product and country specific information on recycling facilities can be found on our following websites https www nec display solutions com p greenvision en greenvision xhtml in Europe http www nec display com in Japan or http www necdisplay com in USA Energy Saving This monitor features an advanced...

Page 31: ...applicable follow applicable legislation or agreement you may have The mark on electrical and electronic products may only apply to the current European Union Member States Outside the European Union If you wish to dispose of used electrical and electronic products outside the European Union please contact your local authority and ask for the correct method of disposal For EU The crossed out wheel...

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