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B-4

Specifications

Keyboard

Membrane 86 keys with country-specific QWERTY-key layout

Function keys — 12 keys

Cursor Control keys — 8 keys; arrow keys arranged in inverted T layout

Numeric keypad — embedded

Fn key — function key for ROM-based key functions

Stroke — 2.5 mm

Height — 6 mm

Pitch — 17.5 mm

External Floppy Diskette Drive

Size — 3.5-inch

Capacity — 1.44 MB

(formatted), 2 MB

(unformatted)

Transfer Rate — 250 to 500 K/bps

Number of tracks — 160

Hard Disk Drive

Specifications vary depending upon model:

Busmaster IDE, Ultra DMA/33 support

Capacity — Internal 10- or 20-GB

Drive height — 9.75 mm

Read/write track-to-track seek rate — 3 ms

Average seek time — 12 ms – 14 ms

Revolutions per minute — 4200

Data transfer rate

—

16.6 MB/sec (PIO mode4/DMA mode2)

—

66.6 MB/sec (ultra DMA mode 4)

When referring to storage capacity, GB stands for one billion bytes and MB stands for one million bytes. Some

utilities may indicate varying storage capabilities. Total user-accessible capacity may vary depending on
operating environments.

Содержание VERSA DAYLITE

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Страница 2: ...mplementation by customers of each product may vary the suitability of specific product configurations and applications must be determined by the customer and is not warranted by NEC Computers To allow for design and specification improvements the information in this document is subject to change at any time without notice Reproduction of this document or portions thereof without prior written app...

Страница 3: ...Touchpad 2 2 Making VersaGlide Adjustments 2 3 VersaGlide Tips 2 3 Power Sources for Your NEC Versa Notebook 2 3 AC Adapter 2 3 Connecting the AC Adapter 2 4 Powering On Your System 2 6 Primary Battery Pack 2 6 Secondary Battery Pack 2 6 Determining Battery Status 2 7 Low Battery Status 2 7 Returning the Battery to its Normal State 2 8 Extending Battery Life 2 8 Battery Handling 2 8 Replacing the ...

Страница 4: ...ate Diskette 3 17 Performing the BIOS Update 3 18 Configuring the Switch Settings 3 19 Accessing the DIP Switch 3 19 Identifying the Switch Settings 3 20 4 Using the Operating System and Utilities Microsoft Windows Introduction 4 2 Windows 2000 4 2 Desktop Icons 4 2 Taskbar Icons 4 3 Transmeta LongRun Utility 4 4 Setting LongRun Properties 4 4 Product Recovery CD 4 5 Guidelines for Using the Produ...

Страница 5: ...odem 6 6 Internet Connections 6 7 IR Port 6 7 Enabling Disabling the IR Port in Windows 2000 6 8 Using the IR Port 6 8 7 Traveling Tips Preparing for Travel 7 2 Packing for Travel 7 2 Using Power Connections 7 3 Getting Through Customs 7 3 Connecting to the Internet 7 4 Connecting Using a Modem 7 4 Connecting Using a LAN 7 4 8 Using Peripheral Devices External Monitor 8 2 External Audio Options 8 ...

Страница 6: ...es 11 4 Email Fax to Support Services 11 4 A Setting Up a Healthy Work Environment Making Your Computer Work for You A 2 Arrange Your Equipment A 3 Adjust Your Chair A 3 Adjust Your Input Devices A 3 Adjust Your Screen or Monitor A 4 Vary Your Workday A 5 Pre Existing Conditions and Psychosocial Factors A 5 B Specifications System Components B 2 Memory Map B 7 Interrupt Controllers B 8 C Frequentl...

Страница 7: ...D ROM drive and installing a memory module Chapter 6 Communicating with Your NEC Versa for essential information about using PC Cards and other communication features of the system Chapter 7 Traveling Tips for a variety of checklists to help you to prepare your notebook computer for getting through customs and accessing the internet when you are on the road Chapter 8 Using Peripheral Devices to ma...

Страница 8: ...ld result in serious personal injury or loss of life Cautions indicate situations that can damage the system hardware or software Note Notes give particularly important information about whatever is being described Names of keys are printed as they appear on the keyboard for example Ctrl Alt or Enter Text that you must type or keys that you must press are presented in bold type For example type di...

Страница 9: ...NEC Versa Before You Begin About Your NEC Versa Notebook Around the Front of the System Around the Back of the System Around the Left Side of the System Around the Right Side of the System Around the Bottom of the System ...

Страница 10: ...f serious injury To reduce your risk of injury set up and use your computer in the manner described in Appendix A Setting Up a Healthy Work Environment After completing the steps in the Quick Setup sheet that comes with your computer your NEC Versa DayLite UltraLite notebook computer is ready to go To get started do the following Read Appendix A Setting Up a Healthy Work Environment for guidelines...

Страница 11: ...es a high performance hard disk drive external CD ROM and diskette drives and PC Card support As a multimedia system your NEC Versa also provides the tools needed to create and present impressive images using video clips and sound NEC Versa notebook computer To get comfortable with your notebook read the following sections and take a tour around your system Around the Front of the System The NEC V...

Страница 12: ...rsa DayLite has a TFT Super Video Graphics Array SVGA reflective panel To adjust the LCD panel brightness press the Fn F8 and Fn F9 functions keys For more details about using the system s function keys see the topic later in this chapter Keyboard Panel Base Unit The base unit of your NEC Versa offers the following features described after the figure After extended use the surface of the base unit...

Страница 13: ...f the mouse pointer Use the selection buttons below the VersaGlide to select menu items VersaGlide settings and features are described in detail in Chapter 2 Speaker Provides mono sound for your system when speakers are not plugged into the speaker jack Operating Status LEDs Keep you informed of your NEC Versa notebook s current operating status See the following figure and list for each icon s me...

Страница 14: ...tions Several keys are preprogrammed with dual functions and some are printed in blue on the key Function keys are application driven See the specific application s user guide for information about how each function key works within the application you are using The following function key combinations are preprogrammed for the NEC Versa computer Fn F3 toggles between three video modes LCD CRT or b...

Страница 15: ... as typewriter keys Cursor Control keys Cursor control keys let you position the cursor on the screen where you want On the screen the cursor is a blinking underline block or vertical line depending on the application The cursor indicates where the next text typed is inserted Windows keys In Windows use the following two keys to facilitate your work Quick access to shortcut menus Displays the Star...

Страница 16: ...icate the following Lights green when the system power is on Blinks green when the system is in Standby mode Lights yellow blinks when in Standby mode to indicate that battery power is at 8 capacity or less Lights amber blinks when in Standby mode to indicate that battery power is at 3 capacity or less Battery Charging LED lights to indicate battery charging activity Lights amber when the primary ...

Страница 17: ...on the battery bay refer to the Getting Started chapter of this user s guide Around the Left Side of the System The left side of your NEC Versa notebook offers the following features which are described after the figure Left side features A AC Power Port D RJ 11 Jack B Vent E USB Port C External Monitor Video Port F LAN Cable Jack AC Power Port Attaches the NEC Versa to a power source such as the ...

Страница 18: ...e described after the figure Right side features A Headphone Jack External Speakers D PC Card Slot B External Microphone Jack E USB Port C Power Button F Kensington Lock Slot Power Button Slide the Power button forward to power on power off and to resume from Standby mode For more information about the Power button see the following topic Power Button Headphone Jack External Speakers Lets you conn...

Страница 19: ...Standby mode you cannot power off until you slide the Power button to the right to resume operation The BIOS parameter System Switch must be set to Sleep Put the unit in Standby mode when you need to be away from your system for a short period of time and want to return to where you left off Standby mode shuts down all devices in the system while retaining data and system status Go to Start Shut D...

Страница 20: ...h C Hard Drive Bay F Vents Memory Module Bay Stores an optional memory module System Feet Heightens the system to allow proper ventilation Hard Drive Bay Stores the system s hard drive Secondary Li Ion Battery Removable secondary power supply Battery Bay Release Latch Releases and removes the system s secondary battery Vents Allow your system to cool properly and maintain a safe operating temperat...

Страница 21: ...2 Getting Started NEC VersaGlide Touchpad Power Sources for Your NEC Versa notebook AC Adapter Primary Battery Pack Secondary Battery Pack System Batteries System Care ...

Страница 22: ...ton Double tap to the touchpad equivalent to a double click of the primary mouse button Click and hold then drag your finger across the VersaGlide touchpad equivalent to a click and drag of the primary mouse button Slide your finger along the right side of the touchpad to scroll your document or screen VersaGlide A Touchpad C Right Button B Left Primary Button Try all of the features and decide wh...

Страница 23: ...he floor Your wrists should be relaxed and straight While using the keyboard and VersaGlide keep your shoulders and arms as relaxed as possible Take regular breaks from the computer to rest your eyes Perform stretching exercises to relax your fingers hands wrists forearms and shoulders See Appendix A Setting Up a Healthy Work Environment for more information Power Sources for Your NEC Versa Notebo...

Страница 24: ...or serviceable parts inside Dangerous voltage in the AC adapter can cause serious personal injury or death The AC adapter is intended for use with a computer and must meet EN609050 standards Connecting the AC Adapter Note The AC power cable type that your system uses depends on the country where you are using it Contact the local dealer to purchase the correct power cable Connect the AC adapter as...

Страница 25: ... outlet Connecting the AC adapter A Adapter Cable C AC Adapter B AC Power Port D Power Cable Do not cover or place objects on the AC adapter Keeping the adapter clear of objects lets the adapter cool properly during use Only use the AC adapter that comes with your NEC Versa notebook Although other adapters look similar using them can damage your system ...

Страница 26: ... a warning message suggesting that a problem exists with the hibernation file on your system The warning message is inaccurate To disable this message simply enable hibernate support See the section Windows 2000 Hibernate in Chapter 3 for details about enabling hibernate support Primary Battery Pack The NEC Versa notebook comes with rechargeable Lithium Polymer Li Poly battery behind the LCD panel...

Страница 27: ...system s power meter to determine battery status Access the system s power meter in the following ways Move the cursor over the power icon on the taskbar to display the remaining battery power for the system s main battery Right click the power icon on the taskbar to open the power meter or to adjust power properties Double click the power icon on the taskbar to display the remaining power for bot...

Страница 28: ...the system s main battery One way is to keep the brightness setting low Use the Fn F8 and Fn F9 function keys to control the brightness Battery Handling Keep the following in mind when removing or replacing a battery Use only the battery designed for your NEC Versa system Mixing other manufacturers batteries or using a combination of very old and new batteries can deteriorate battery and equipment...

Страница 29: ...stalling another manufacturer s battery or using a combination of very old and new batteries can deteriorate battery and equipment performance 1 Save your files exit Windows and turn off system power 2 Close the LCD panel and turn over the system 3 Slide the battery release latch toward the right side of the system and hold firmly Locating the battery bay release latch A Battery Release Latch ...

Страница 30: ... Insert the new battery as follows Locate the alignment grooves on the edge of the battery Locate the alignment grooves inside the battery bay Align the grooves on the battery with the grooves in the bay Slide the battery into the bay until securely locked into place Inserting the battery A Battery Bay Connectors C Alignment Grooves B Battery Bay Release Latch D Secondary Li Ion Battery 6 Turn ove...

Страница 31: ...commended by the manufacturer Discard used batteries according to the manufacturer s instructions To avoid personal injury and property damage read these battery precautions on handling charging and disposing of Li Ion batteries Keep the battery away from heat sources including direct sunlight open fires microwave ovens and high voltage containers Temperatures over 140º F 60º C may cause damage Do...

Страница 32: ...lp prevent data loss Only the secondary battery is removable In addition the CMOS battery also provides system power See Appendix B for a list of battery specifications CMOS Battery This lithium battery provides battery backup and prevents data loss in the system s complementary metal oxide semiconductor CMOS RAM This memory area contains information on the system s configuration for example date ...

Страница 33: ...0 or 60 Hz AC Never use the AC adapter if the voltage falls outside of this range Watch for this when traveling to other countries Turn computer power off before attaching or removing non plug and play devices Do not push any foreign objects into the connectors and slots Do not set the computer on top of a magnetized area Doing so can destroy the data on your hard disk drive Some airline tray tabl...

Страница 34: ...the storage area free from vibration and magnetic fields Keep the system and its components away from organic solvents or corrosive gases Avoid leaving the system and its components in direct sunlight or near heat sources Routine Cleaning Clean or dust your system as follows Never use harsh solutions household cleaners or spray cleaners that contain caustic materials on the NEC Versa computer Thes...

Страница 35: ...3 Using the BIOS Setup Utility Introducing BIOS Setup Entering BIOS Setup Managing System Power Updating the BIOS Configuring the Switch Settings ...

Страница 36: ...assword Entering BIOS Setup Access the BIOS utility at power on Just press F2 when the following prompt appears Press F2 to Enter Setup When you press F2 to enter BIOS Setup the system interrupts the Power On Self Test POST and displays the current CMOS RAM settings If the system detects an error during POST it prompts you with a double beep and a message Press F1 to resume If you press F1 the sys...

Страница 37: ...ts the following top level menus Main Use the Main menu for basic system configuration For example select Main to set the system time and date set diskette and hard disk parameters or check memory parameters Advanced Use the Advanced menu to set IR serial port I O device configuration LCD panel view and more Security Use this menu to set User and Supervisor passwords password on boot fixed disk bo...

Страница 38: ...ues and exits Setup To select one of the five menus from the menu bar use the left and right arrow keys Use the up or down arrow keys to select an item under the menu Menu items preceded by a contain a submenu of selectable fields for setting system parameters Display a submenu by using the up or down arrow keys to move the cursor to the desired submenu then press Enter An Item Specific Help windo...

Страница 39: ... is bold System Time Set system time in this field Press Tab or Enter to move between hour minute and second fields Example 09 30 00 System Date Set system date in this field Press Tab or Enter to move between month date and year fields Example 07 09 2001 Language English Japanese Selects the display language for the BIOS Bring up the Language submenus by pressing Enter Diskette A Disabled 1 44 Se...

Страница 40: ...ory Displays amount of extended memory detected during boot This field is read only and cannot be changed from BIOS Setup Example 63488 KB CPU Type Displays the processor type This field is read only and cannot be changed from BIOS Setup CPU Speed Displays the processor speed This field is read only and cannot be changed from BIOS Setup Example 600 MHz BIOS Revision Displays the BIOS revision numb...

Страница 41: ... informs the system to ignore this drive When set to User allows the manual entry of all fields described next Cylinders When Type is Auto value in the Cylinders field is auto detected and field is read only Heads When Type is Auto value in Heads field is auto detected and field is read only Sectors When Type is Auto value in Sectors field is auto detected and field is read only Maximum Capacity T...

Страница 42: ...m the drive When Type is set to Auto the value in the field is auto detected and the field is read only Ultra DMA Mode Disabled Mode 0 Mode 1 Mode 2 Mode 3 Mode 4 Selects the Ultra DMA Mode for moving data to and from the drive Autotype the drive to select the optimum transfer mode When Type is set to Auto the value in the field is auto detected and the field is read only Advanced Menu Choose the ...

Страница 43: ...n some video modes Enabled expands the panel view The enabled setting sometimes affects graphic quality BootUp Message Enabled Disabled Disabled suppresses the logo screen during boot Summary Screen Disabled Enabled When set to Enabled information about the system s configuration is displayed onscreen during boot Silent Boot Disabled Enabled Black When set to Enabled the logo screen appears during...

Страница 44: ... default is bold Set Supervisor Password Press Enter to access Use this field to set or change the supervisor password Press Enter to bring up a dialog box where the password can be entered and confirmed Set User Password Press Enter to access Use this field to set or change the user password Press Enter to bring up a dialog box where the password can be entered and confirmed Password on Boot Disa...

Страница 45: ...o select a device Press Enter to expand or collapse device information Press Ctrl Enter to expand or collapse all device information Use the plus or minus key to move a selected device up or down in the boot order Exit Menu Choose the Exit menu by selecting Exit in the legend bar on the Main menu screen Other Exit menu options are available by selecting submenus Use the arrow keys to select one of...

Страница 46: ...the power given to each attached device and to turn off a device when not in use Take advantage of the opportunity to manage power on your system to Minimize battery drain Preserve the life of your NEC Versa Save time When you return from that urgent call or meeting you don t have to reboot just slide the Power button to resume system operation Windows 2000 Power Options Properties In Windows 2000...

Страница 47: ...inutes 1 2 3 5 10 15 20 25 30 45 minutes 1 2 3 4 5 hours Never Turn off hard disks Plugged in After 30 Minutes 3 5 10 15 20 25 30 45 minutes 1 2 3 4 5 hours Never Turn off hard disks Running on batteries After 5 Minutes 3 5 10 15 20 25 30 45 minutes 1 2 3 4 5 hours Never System standby Plugged in After 20 Minutes 1 2 3 5 10 15 20 25 30 45 minutes 1 2 3 4 5 hours Never System standby Running on bat...

Страница 48: ...on Power Level None Standby Power Off Critical battery alarm 3 0 100 Alarm Action Notification Display message Sound alarm Alarm Action Power Level Standby Power Off Hibernate Run a program None When the alarm occurs run this program Low battery alarm Allows you to define a low battery alarm percentage notification and system action Critical battery alarm Allows you to define a critical battery al...

Страница 49: ...rmines whether or not the Power Meter icon displays on the taskbar Prompt for password when computer goes off standby Determines whether or not the system prompts for your Windows password when resuming from Standby When I close the lid of my computer Defines the system action when the LCD panel is closed When I press the Power button on my computer Defines the system action when the Power button ...

Страница 50: ...f your system Conserves the most battery power Recognizing the Windows 2000 Power Management States It is important to recognize your system s behavior when in each of these power management states The following table describes the system behavior for each power management state Windows 2000 Power Management Behavior LCD Timeout Standby STR Hibernate STF Default Setting 2 Minutes DC power 15 Minut...

Страница 51: ...he BIOS Update Diskette Perform the BIOS Update Obtaining the BIOS Update If you are informed that the default BIOS needs an update contact the NEC Computers Support Services at 800 632 4525 Fax 801 579 1552 or access the web site www neccomp com to obtain a copy of the BIOS update Note If you purchased and are using this computer outside the U S or Canada please contact a local NEC or dealer in y...

Страница 52: ...rs The NEC BIOS Update Utility should not be used to modify the BIOS in a Versa system which is docked If your Versa is docked please exit the BIOS Update Utility power down and undock your Versa before running the utility Plug in your AC cable before restarting the flash utility 2 Press Enter to continue The utility checks the currently installed BIOS version and the diskette s BIOS version The M...

Страница 53: ...lier in this chapter Enabling the BIOS Flash Switch Configuring the Switch Settings Some system settings are set through DIP switches The six position dip switch is located on the bottom of the system The switch is accessed by removing the memory module bay cover See the following sections for information on accessing the DIP switches and identifying DIP switch settings Accessing the DIP Switch Fo...

Страница 54: ...tifies each switch setting and its function Switch 1 Password override The default setting is OFF If you forget your password and cannot access the data on your NEC Versa change the setting to ON and your current password is erased Switch 2 Keyboard select Default is ON for U S 86 key keyboard and OFF for European keyboard Switch 3 Not assigned must be OFF Switch 4 Keyboard select 2 Default is ON ...

Страница 55: ...located here Therefore if you need to install replace SO DIMM modules you might want to do so when the system is already disassembled 1 Replace the memory module bay cover and screw 2 Turn over the system 3 Follow the instructions earlier in this chapter Performing the BIOS Update ...

Страница 56: ...4 Using the Operating System and Utilities Microsoft Windows Introduction Transmeta LongRun Utility Product Recovery CD ...

Страница 57: ...heduled tasks Recycle Bin Gives you a trash container in which to put and discard unwanted files or allows you to restore those same files back to their original location My Network Places When on a network provides access to network printers and other computers on your network Use my network places to browse through the computers in your workgroup and the computers in the entire network My Docume...

Страница 58: ...Programs Internet Explorer Taskbar Icons With Windows 2000 three icons appear on the taskbar Use the cursor to hover over the icon and display its function right click the icon to display its menu options or double click the icon to launch it The following icons normally appear on the left side of the Windows 2000 taskbar Internet Explorer Allows you to browse the internet or view local HTML files...

Страница 59: ... LongRun utility is a tool that allows you to override these automatic adjustments by the processor You can Force the processor to stay at the lower 300MHz speed to preserve the battery when you need the system to run for a long time without an AC source Forcing the battery to run at lower speeds slows some applications but extends the battery life by hours Force the processor to stay at the highe...

Страница 60: ... restore the BIOS default settings Save the default settings before exiting the BIOS Setup utility Guidelines for Using the Product Recovery CD Follow these guidelines when using the Product Recovery CD Use AC power Remove all optional hardware such as PC Cards USB devices printers and monitors Product Recovery CD Options The Product Recovery CD and Utility provides you with a number of choices Mo...

Страница 61: ...ompletely before reinstalling the files The Full Disk Drive restore option deletes all files on the hard drive and replaces them with the original factory installed files Only use the Full Disk Drive restore option if the preinstalled software is unusable Use the Product Recovery utility to perform a Full Disk Drive restore as follows 1 Check the Product Recovery CD title and make sure that it is ...

Страница 62: ... hardware detection screens display the system reboots and the Windows Setup screen appears Follow the on screen instructions to set up Windows You are required to reenter your Microsoft license number Partition Only Restore If your preinstalled software on drive C of your multiple partitioned drive becomes unusable and you cannot boot from the hard disk use the Product Recovery Utility to restore...

Страница 63: ...tion Only to restore drive C of a multiple partitioned drive to its original factory installed state Choose your restore option carefully to prevent losing data and applications installed on your system If the hard disk is configured with multiple or extended partitions you may have to reinstall some software to restore configuration settings and shared files 6 Read the Warning screen A warning di...

Страница 64: ...from the CD ROM drive and reboot your system 9 Press Enter click Reboot or press Alt R to reboot your system A series of hardware detection screens display the system reboots and the Windows Setup screen appears Follow the on screen instructions to set up Windows You are required to reenter your Microsoft license number ...

Страница 65: ...5 Using the System Drives and Bays External Floppy Diskette Drive External Variable Speed CD ROM Drive Hard Disk Drive Memory Modules ...

Страница 66: ...re described after the figure External floppy diskette drive and cable A Status LED D Floppy Diskette Drive B Floppy Diskette Drive Bay E Floppy Diskette Drive Cable C Eject Button F USB Port Connector Status LED Lights to indicate drive activity Floppy Diskette Drive Use the cable provided to attach this drive to your system Eject Button Press this button to eject remove a diskette from the flopp...

Страница 67: ...ppy Diskette Drive Follow these steps to disconnect the external floppy diskette drive 1 Double click the Unplug Eject icon on the toolbar and a box will pop up 2 Highlight the floppy drive and press Stop 3 Pull the USB connector out of the port External Variable Speed CD ROM Drive Your NEC Versa notebook ships with an external 24X maximum 10x minimum variable speed CD ROM drive and cable Use the ...

Страница 68: ...u to get your data faster and to see smoother animation and video In addition data is read at a variable transfer rate depending on its location The maximum rated speed is generally achieved only when reading the outermost track on a completely filled CD The external CD ROM drive and cable offer the following features which are described after each figure External CD ROM drive left and front A Hea...

Страница 69: ...ur compact discs Forward Button Use this button to advance the playback of your compact disc one track at a time External CD ROM drive right and rear A CD ROM Drive Connector CD ROM Drive Connector Attach the CD ROM drive cable to this connector to use the drive with your NEC Versa system CD ROM drive cable A USB Connector B CD ROM Cable Connectors USB Cable Connectors Use the connector to attach ...

Страница 70: ...ect to and use the external CD ROM drive with your NEC Versa notebook computer 1 Power off your NEC Versa notebook 2 Locate the external CD ROM drive and cable that ship with your system 3 Attach the USB connector to either USB port on the system Connecting the CD ROM drive A CD ROM Connector C USB port B USB Cable ...

Страница 71: ...4 Slide the release latch toward the front of the CD ROM drive to open the cover Opening the CD ROM drive cover A Release Latch 5 Put your CD printed side up into the circular impression in the drive Inserting a CD 6 Close the drive cover ...

Страница 72: ...isconnect the external CD ROM drive 1 Double click the Unplug Eject icon on the toolbar and a box will pop up 2 Highlight the floppy drive and press Stop 3 Pull the USB connector out of the port CD Care When handling CDs keep the following guidelines in mind Always pick up the disc by its edges Avoid scratching or soiling either side of the disc Do not write on or apply labels to the data side of ...

Страница 73: ...state For details about using the Product Recovery CD see Chapter 4 Using the Operating System and Utilities Memory Modules Your NEC Versa computer comes standard with 64 megabytes MB of random access memory RAM on the motherboard You can increase system memory to a maximum of 192 MB with a 128 MB memory module in the memory module bay Only install NEC Computers supplied approved memory module opt...

Страница 74: ...all a memory module 1 Make sure that the system is powered off and that no peripheral devices are attached 2 Turn over the system and locate the memory module bay Locating the memory module bay A Memory Module Bay Cover B Screw 3 Remove the screw and bay cover Removing the screw and bay cover ...

Страница 75: ...lign the module contacts with the socket in the system Push the connector into the socket Press down on the edge of the module opposite the contacts until the lock tabs on the sides snap into place securing the module Installing a memory module If you are replacing a memory module and need to remove one that is already installed do so as follows Press the locking tabs away from the sides of the mo...

Страница 76: ...moving an installed memory module Note The system switches are also located in the memory module bay Therefore if you need to set any system switches you might want to do so while the system is already disassembled The system switches are defined in Chapter 3 6 Replace the memory module bay cover and screw 7 Turn over the system and power on ...

Страница 77: ...6 Communicating with Your NEC Versa PC Cards Mini PCI LAN Internal Modem Internet Connections IR Port ...

Страница 78: ...es beyond the traditional card size The extension can be as large as 40 mm deep by 9 65 mm high This extension provides room for additional electronics as well as a location for external connectors Communication Cards You can use both fax modem and network PC Cards with your NEC Versa notebook Here are some suggestions to help you get the best system performance Note If you are using this unit out...

Страница 79: ...g of remote units for example delivery trucks Serial adds a serial communications port Multimedia combines animation and sound PC Card Slots Your NEC Versa notebook integrates a CardBus slot for inserting a Type II PC Card The 32 bit CardBus also has Zoomed Video support Note The 32 bit CardBus structure not only accepts new CardBus cards but is also backward compatible Using the system s PC Card ...

Страница 80: ...d but the card type is unknown Inserting a PC Card 3 Use the software preinstalled on your system to check PC Card slot availability Look for the PC Card icon in the Control Panel or on the right side of the taskbar It shows which slot contains a PC Card and which is empty Removing a PC Card Follow these steps to remove a PC Card 1 Double click the PC Card icon on the taskbar 2 Select the PC Card ...

Страница 81: ... LAN adapter cable that is designed with a LAN port connector and an RJ 45 connector Follow these steps to take advantage of the internal mini PCI LAN 1 Locate the LAN port jack on the left side of the system and open the port cover 2 Connect the LAN port connector to the LAN port jack 3 Connect the RJ 45 connector at the other end of the LAN adapter cable to an RJ 45 cable Connecting the Mini PCI...

Страница 82: ...l modem Connecting the Internal Modem Follow these steps to connect an RJ 11 telephone cable to the internal modem 1 Locate the RJ 11 telephone cable that ships with your NEC Versa notebook Each end of the cable has an RJ 11 connector that plugs into a standard telephone outlet 2 Locate the RJ 11 port on the left side of your system and open the cover 3 Carefully plug the RJ 11 telephone cable int...

Страница 83: ...ice provider ISP account and some or all of the following configuration information the dial up telephone number TCP IP settings port settings a user name logon and password your email address the name of a POP3 IMAP or HTTP server for incoming mail the name of an SMTP server for outgoing mail IR Port The IR infrared communication port on the front of your system lets your NEC Versa DayLite UltraL...

Страница 84: ...utility If for any reason you want to enable or disable the IR port to reassign system resources refer to the following procedure Follows these steps to enable disable the IR port in Windows 2000 1 Go to Start Setting Control Panel and double click the Wireless Link icon 2 Select the Hardware tab and click the Properties button 3 Select or deselect Use the device enable in the device usage section...

Страница 85: ...7 Traveling Tips Preparing for Travel Packing for Travel Using Power Connections Getting Through Customs Connecting to the Internet ...

Страница 86: ...clude a disassembly of the system Back up your NEC Versa s hard disk Insert a fully charged battery to make sure your system is ready to quickly boot up at the airport security check Fully charge all your batteries Tape your business card to your NEC Versa AC adapter and batteries If you run your system with battery power maximize battery life by using power saving features whenever possible Take ...

Страница 87: ... customs regulations Plan wisely to get your NEC Versa notebook computer through customs by carrying the appropriate documentation to assure the customs agent that your system is not a recent purchase Travelers are often asked when returning to their home country whether or not they purchased the computer while outside of the country Sometimes the proof of purchase such as a bill of sale insurance...

Страница 88: ...the call to your hotel room 2 Prepare your system for phone line access in another country Line access outside of a hotel may require the addition of a 9 preceding the phone number string To circumvent unusual dial tone sounds sometimes encountered in hotels you may have to modify a system configuration setting to ignore the dial tone 3 Always check with the hotel that the modem phone line is anal...

Страница 89: ...or for example If your TCP IP network settings are already configured to Use DHCP for WINS Resolution you should be able to access the Internet If your TCP IP network settings are not set to use DHCP a help screen may appear or you may be directed to call the LAN provider for assistance configuring your system Follow the instructions that are provided to you completely so your settings work effect...

Страница 90: ...8 Using Peripheral Devices External Monitor External Audio Options USB Devices ...

Страница 91: ... both the NEC Versa notebook and the monitor is off 2 Open the monitor port cover on the left side of the system 3 Attach the monitor transfer cable connector to the monitor port on the system Connecting a monitor 4 Connect the monitor cable to the transfer cable 5 Connect the monitor power cable and plug it into a properly grounded wall outlet 6 Follow any setup instructions in the monitor s user...

Страница 92: ...ort that you want to use 2 Plug the jack into the appropriate port on the right side of the NEC Versa notebook Audio ports A Headphone Jack B External Microphone Jack Note If you are using external speakers or an external microphone and experience sound distortion or feedback use the Fn F11 key to lower the volume Some feedback is caused by having the microphone and speakers too close to each othe...

Страница 93: ...peripherals Only one device needs to be plugged into your NEC Versa notebook Additional peripherals can be connected in a daisy chain configuration where one device is connected to another in a series Up to 127 devices can be connected together in this way Connecting USB devices to your system may reduce battery life Always connect your system to an AC power source before connecting USB devices Co...

Страница 94: ...9 Using Multimedia Audio Video Multimedia Applications ...

Страница 95: ...make sure the speaker volume is turned down before using the microphone or feedback may occur The following procedure describes how to record using the Microsoft Sound Recorder and an external microphone plugged into the NEC Versa notebook 1 To record using an external microphone attach an external microphone to the microphone port 2 Go to Start Programs Accessories Entertainment and select Sound ...

Страница 96: ...e to create soft background sounds to accompany a voice over or another more prominent sound Mixing lets you blend digital and MIDI audio files to get the final high quality soundtrack you want See the online help that is available with the Sound Recorder for more information Playing Back You can play back your recorded soundtrack through stereo headphones the internal NEC Versa notebook mono spea...

Страница 97: ... presentation by adding computer generated music and sound effects Using MIDI you can purchase a wide range of public domain and commercial recordings in MIDI format MIDI files require only a fraction of the storage space of digital audio files Video The NEC Versa UltraLite XGA display panels have a high resolution capability of 1024 x 768 pixels and the Versa DayLite SVGA has a high resolution ca...

Страница 98: ...ashing arrow or a flying logo Multimedia Applications A growing number of multimedia applications are available for PC users These multimedia software packages include graphics packages animation software and presentation authoring systems as follows Animation software allows you to create 3D effects and 3D titles and add interest to an otherwise static presentation Authoring packages let you pull...

Страница 99: ...10 Solving System Problems Problem Checklist Start Up Problems If You Need Assistance ...

Страница 100: ...ly inserted Attach the AC adapter to recharge the battery If you have the AC adapter attached check that you are using a working electrical outlet LCD screen is dark and blank Power saving mode has shut off the backlight Press a keyboard key or move the mouse The built in LCD may not be selected Press Fn F3 once or twice to select the LCD video mode Screen brightness needs adjustment Use the Fn F8...

Страница 101: ...uspend System Memory Do you want to B oot or P ower down Power down the system and reseat the memory If new memory was installed prior to manual STF remove new memory before resuming Start Up Problems The system displays an invalid configuration error message at power on when there are the following conditions the current configuration information does not match configuration information stored in...

Страница 102: ...ve C does not respond Confirm that C hard disk type in Setup is correct C Drive Failure Hard disk drive C does not respond You may need to replace the hard disk drive Contact your NEC Computers service representative for service Cache Memory Bad Do Not Enable Cache Cache memory is defective It must be replaced Contact your NEC Computers service representative for service CH 2 Timer Error Most ISA ...

Страница 103: ...he floppy disk controller Contact your NEC Computers service representative to check all appropriate connections HDD Controller Failure The BIOS cannot communicate with the hard disk drive controller Contact your NEC Computers service representative to check all appropriate connections INTR 1 Error Interrupt channel 1 failed POST Contact your NEC Computers service representative for service INTR 2...

Страница 104: ... communicated through a series of beeps All beep code errors except beep code 8 are fatal errors and do not allow the system to continue to boot If beep codes occur during POST check the items in the Problem Checklist at the start of this chapter verify that all the hardware is set up properly and securely connected and try rebooting If you still get a beep code go to the section If You Need Assis...

Страница 105: ...ROM checksum value does not match the value encoded in the BIOS 10 CMOS Shutdown Register Read Write Error The shutdown register for CMOS RAM failed 11 Cache Error External Cache Bad The external cache is faulty If You Need Assistance If you have a problem with your computer first review the checklist and troubleshooting table at the beginning of this chapter If you still have a problem see Chapte...

Страница 106: ...11 Getting Service and Support Service and Support Contact Information Web Site FTP Site Support Services Email Fax to Support Services ...

Страница 107: ...ternet Internet email address tech support nec computers com Note If you purchased your computer outside the U S or Canada please contact the local NEC office or their dealers for support and service If you have access to a telephone modem and or fax machine you can use these services to obtain information about your system at any time day or night seven days a week Not only do these services prov...

Страница 108: ...dor web sites an automated email form for your technical support questions a password accessible area for resellers To access The NEC Computers Home Page enter the following Internet Uniform Resource Locator URL in your browser http www neccomp com To access The NEC Computers Support Page enter the following Internet Uniform Resource Locator URL in your browser http support neccomp com FTP Site Us...

Страница 109: ...tem s name model number serial number and as much information as possible about your system s problem before calling For outside the U S or Canada please contact your local NEC office or dealer for the support and service available in your country Email Fax to Support Services The NEC Computers Support Services offers technical support by email if you have Internet access The email address is tech...

Страница 110: ...lthy Work Environment Making Your Computer Work for You Arrange Your Equipment Adjust Your Chair Adjust Your Input Devices Adjust Your Screen or Monitor Vary Your Workday Pre Existing Conditions and Psychosocial Factors ...

Страница 111: ...isorders it is still unclear whether working at a computer causes such disorders Some doctors believe that using the keyboard and mouse may aggravate existing musculoskeletal disorders Note Contact a doctor if you experience pain tenderness swelling burning cramping stiffness throbbing weakness soreness tingling and or numbness in the hands wrists arms shoulders neck back and or legs Some people a...

Страница 112: ...epth should allow your lower back to comfortably contact the backrest Make sure that the backs of your lower legs do not press against the front of the chair Extend your lower legs slightly so that the angle between your thighs and lower legs is 90 or more Place your feet flat on the floor Only use a footrest when attempts to adjust your chair and workstation fail to keep your feet flat Be sure th...

Страница 113: ...g them Keep your shoulders arms hands and fingers relaxed Adjust Your Screen or Monitor Correct placement and adjustment of the screen or external monitor can reduce eye shoulder and neck fatigue Check the following when you position the screen or external monitor Adjust the height of your screen or external monitor so that the top of the screen is at or slightly below eye level Your eyes should l...

Страница 114: ...posture periodically and keep your hands and wrists warm Note For more information on workstation setup see the American National Standard for Human Factors Engineering of Visual Display Terminal Workstations ANSI HFS Standard No 100 1988 The Human Factors Society Inc P O Box 1369 Santa Monica California 90406 Pre Existing Conditions and Psychosocial Factors Pre existing conditions that may cause ...

Страница 115: ...ramping stiffness throbbing weakness soreness tingling and or numbness in the hands wrists arms shoulders neck back and or legs This appendix was prepared in consultation with Dr David Rempel of the University of California San Francisco Ergonomics Program and Mr M F Schneider of HUMANTECH Inc Ann Arbor Michigan ...

Страница 116: ...B Specifications System Components Memory Map Interrupt Controllers ...

Страница 117: ...ripheral Component Interconnect PCI Random Access Memory Standard Main Memory 64 MB SDRAM SO DIMM on motherboard 125 MHz SDRAM One memory slot supports 128 MB SO DIMM Maximum 192 MB Video Ram 4 MB SGRAM Cache Memory L1 64 KB code and 64 KB data 8 16 way set associate write back data L2 512 KB built in 4 way operates at full core speed 4 GB cacheable range Read Only Memory 2 MB x 8 bit Flash ROM Ca...

Страница 118: ...26 pin Speakers One built in 1 watt W Mono speaker Sound Blaster PRO compatible ESSR Solo 1 PCI AudioDrive ESS 1946S Software controlled sound and beep volume PC Card Slots One 32 bit card slot for a Type II card 5 V or 3 3 V interface 32 bit CardBus support LCD Panel 10 4 inch high resolution active matrix Thin Film Transistor TFT Colors 24 bit ATI RAGE MOBILITY M graphics accelerator with 8 MB V...

Страница 119: ...0 to 500 K bps Number of tracks 160 Hard Disk Drive Specifications vary depending upon model Busmaster IDE Ultra DMA 33 support Capacity Internal 10 or 20 GB1 Drive height 9 75 mm Read write track to track seek rate 3 ms Average seek time 12 ms 14 ms Revolutions per minute 4200 Data transfer rate 16 6 MB sec PIO mode4 DMA mode2 66 6 MB sec ultra DMA mode 4 1 When referring to storage capacity GB s...

Страница 120: ...ideo CD CD 1 CD I Ready CD G CD Plus CD DA CD EXTRN and CD ROM XA mode 2 Mini PCI LAN Xircom Modem Combo 10BASE T and 100BASE TX compatible IEEE 802 3 and IEEE 802 3u compliant 10 100 Mbps transmission rate 10 100M LINK and ACT diagnostic LEDs V 90 data V 17 fax soft MMX optimized K56flex compatible SmartDAA technology V 80 synchronous access mode Power AC Adapter Input Voltage 100 to 240 volts V ...

Страница 121: ...ely 8 hours when the system is on 4 5 hours when off Dimensions Width 10 4 in 264 mm Depth 8 3 in 211 mm Height 1 06 in 27 mm Weight 3 01 lb 1 37 kg without external drives Recommended Environment Operation Temperature 41 F to 95 F 5 C to 35 C Relative Humidity 20 to 80 Noncondensing Storage Temperature 4 F to 104 F 20 C to 40 C Relative Humidity 20 to 80 Noncondensing ...

Страница 122: ...FFFE 0000H FFFF FFFFH 128K Upper ROM System and Video BIOS FFFC 0000H FFFD FFFFH 128K Lower ROM Power Management BIOS FFFA 0000H FFFB FFFFH FFF8 0000H FFF9 FFFFH 128K 128K New Extended Area FFF0 0000H FFF7 FFFFH 512K 1MB Extended BIOS 512KB 0A00 0000H 0BFF FFFFH Up to 176MB Extended Memory 000F 0000H 000F FFFFH 000E 0000H 000E FFFFH 64K 64K System BIOS 128K 000A 0000H 000B FFFFH 128K Video Buffer ...

Страница 123: ...th a cascade connection of 8259INTC x 2 The table shows default interrupt level assignments 0 through 15 in order of decreasing priority Priority Name Device 0 IRQ00 Internal Timer 1 1 IRQ01 Keyboard 2 IRQ02 PIC 3 IRQ08 Real time Clock 4 IRQ09 SCI CardBus Modem LAN 5 IRQ10 Video 6 IRQ11 Sound 7 IRQ12 Mouse 8 IRQ13 Coprocessor 9 IRQ14 IDE Controller 10 IRQ15 Free 11 IRQ03 or IRQ04 Free Infrared Por...

Страница 124: ...C Frequently Asked Questions External Mouse Display PC Cards Diskette Drive Booting Power Management Miscellaneous ...

Страница 125: ...ltaneous mode The maximum resolution in simultaneous mode is 1024 x 768 for XGA TFT or 800 x 600 for SVGA TFT panels depending on the capabilities of the external monitor You can obtain higher resolutions if you connect a higher resolution external monitor and switch to CRT only mode How can I change my video drivers Go to Start Settings and Control Panel In the control Panel double click the Disp...

Страница 126: ... am unable to use the freed IRQs or I O address resources with my PC Cards Why To provide a stable platform free of conflicts NEC computers excluded some resources from PC Card use Diskette Drive Why can t I boot from the external USB diskette drive To boot from the diskette drive be sure that you have a diskette in the drive containing operating system files Be sure to check the Boot Device Setup...

Страница 127: ...t best suits your needs To format high density 1 44 MB diskettes In DOS type format a and press Enter If you want a bootable diskette type format a s and press Enter What type of diskette do I use in my diskette drive Your NEC Versa DayLite UltraLite ships with an external 1 44 MB USB diskette drive that uses 3 5 inch high density HD diskettes These diskettes are also called double sided high dens...

Страница 128: ...d boot or go to Start Shut Down to shut down the computer If power is on turn the power off using the system unit Power button wait at least five seconds and then turn the power on Power Management Does my system come with power management features enabled Your system s default settings are configured with power management features enabled when on DC battery power and disabled when on AC power Use...

Страница 129: ...the function of Suspend to File Hibernation Suspend to File Hibernation provides the greatest power savings by putting the system into a maximum power shutdown When the system goes into STF mode it saves data and system status and then shuts off power to all components STF mode lets you save power without first saving your work Resuming from STF mode requires less time than performing a cold boot ...

Страница 130: ...ate and time as needed How do I speed up my application If the application you are using runs really slow close any other applications you are not using this should speed things up If your application still runs slow you might consider installing additional memory See Memory Modules in Chapter 5 If upgrading after initial purchase one or more of the memory modules provided with the system may have...

Страница 131: ...est advice to create a boot disk This loads only the drivers necessary to run the game How do I find help in a Windows application If you need help in a Windows application click on a Help button or Help menu item Most applications provide online help If the application doesn t provide these try pressing F1 How do I save a file You save a file by selecting File then Save from the drop down menu If...

Страница 132: ...IR serial port setting contains an available COM port and IRQ setting Check that both the sending and receiving system and device are using the same transmission software If you are transmitting underneath a fluorescent light try repositioning the system and device so that they are not directly under the fluorescent light Reference the IR setup online help for further information ...

Страница 133: ... 533 MBps and 1 07 GBps animation The art of making things appear to move in two dimensional 2D or three dimensional 3D space and making events happen over time applications programs Software designed to perform specific functions like solving business or mathematical problems audio The range of acoustic mechanical or electrical frequencies that humans hear B base RAM Area of system memory between...

Страница 134: ...ormance and can operate at speeds up to 32 MHz CD Compact disc A polished metal platter capable of storing digital information The most prevalent types of compact discs or those used by the music industry to store digital recordings and CDs used to store computer data Both types are read only which means that once the data is recorded onto them they can only be read or played CD audio Also called ...

Страница 135: ...See also LCD cursor A movable image on the display screen that indicates where the next entered data appears D default A value option or setting that the computer automatically selects until you direct it otherwise digital audio Recorded sounds such as speech and sound effects These are played back by the audio circuit s Digital to Analog Converter DAC digital sound A description of a sound wave t...

Страница 136: ...let you get help and error message information or quickly select frequently used commands H hard disk A rigid magnetic storage device that provides fast access to stored data hardware The electrical and mechanical parts from which a computer is made hertz Hz A unit of frequency equal to one cycle per second hot key Combination of two or three keys that you press simultaneously for a particular fun...

Страница 137: ...gram to a special address K kilobyte KB 1024 bytes L LAN Local Area Network LCD Liquid Crystal Display An LCD consists of a thin sandwich of two glass plates with sealed edges containing nematic liquid crystal material that forms the screen image Versa displays are LCD type load To copy a program into the computer s memory from a storage device M megabyte MB 1 048 576 bytes memory Electronic stora...

Страница 138: ...or A device that links computers over a telephone line MPEG The MPEG Moving Pictures Experts Group standard is used to encode motion images The MPEG player program in Windows lets you play back MPEG files multimedia Integrated forms of media such as sound text graphics and video N nonvolatile memory Storage media that retains its data when system power is turned off Nonvolatile memory in the Versa...

Страница 139: ...ting system to drive C while storing applications and data files on separate drives D and E also referred to as partitions password A string of characters that the user must enter before the system allows access or system privileges PC Cards A credit card sized peripheral interface standard for portable devices Types of PC Cards also known as PCMCIA cards currently offered by major vendors include...

Страница 140: ... as a diskette ROM Read Only Memory Memory in which stored data cannot be modified by the user except under special conditions reset The process of returning a device to zero or to an initial or arbitrarily selected condition resolution The degree of screen image clarity Video display resolution is determined by the number of pixels on the screen Resolution is usually specified in pixels by scan l...

Страница 141: ...te of power management that puts the system to sleep Standby mode shuts down all devices in the system while retaining data and system status SVGA Super Video Graphics Array Graphics technology that supports up to 256 or more colors and a graphics resolution of 800 x 600 pixels system board The main printed circuit board inside the system unit into which other boards and major chip components such...

Страница 142: ...xels volatile memory Storage media that loses its data when system power is turned off Standard memory and memory that you add to the Versa are volatile memory See nonvolatile memory W warm boot Process of resetting the computer without turning off the power through keyboard input pressing Ctrl Alt and Del keys simultaneously The system returns to an initial or arbitrarily selected condition warm ...

Страница 143: ... Zoomed Video A direct high speed connection between the video audio and graphics subsystems within the computer that provides the high quality path required for smooth video playback or TV tuner transmission Zoomed Video technology allows data transfer directly between a PC Card and VGA controller allowing notebook computers to connect via PC Card to real time multimedia devices such as video cam...

Страница 144: ...ing precautions 2 12 removing 2 10 replacing 2 9 using 2 6 when to change 2 8 Beep codes 10 6 BIOS Advanced menu 3 8 Boot menu 3 11 Exit menu 3 11 Main menu 3 5 Security menu 3 10 BIOS setup 3 2 C Cache memory B 2 Caps lock 1 5 CD care 5 8 CD ROM drive 5 3 cable 5 5 connecting 5 6 disconnecting 5 8 using 5 3 5 6 Charging the battery 2 11 Cleaning your NEC Versa 2 14 Closing LCD panel 3 15 CMOS bat...

Страница 145: ...connecting 6 6 speakers 9 4 Internet Connection Wizard 6 7 connections 6 7 using Connection Wizard 6 7 Interrupt controllers B 8 IR port 1 9 using 6 8 K Keyboard 1 5 1 6 L LCD panel closing 3 15 display 1 5 features 1 4 Locating memory module bay 5 9 Low battery power 2 7 Low battery alarm 3 14 M Main battery 1 12 2 12 returning to normal state 2 8 Main power source DC power 7 3 Managing system po...

Страница 146: ...orts DC power B 3 headphones B 3 infrared B 3 microphone B 3 monitor B 3 USB B 3 POST error messages 10 4 Power button 1 10 1 11 meter 3 14 schemes 3 13 sources 2 3 status LED 1 8 Power button pressing 3 15 Power connections 7 3 Power management 3 12 Power options Windows 2000 3 12 Power schemes 3 13 Powering on 2 6 Power on self test POST 3 2 Pressing Power button 3 15 Problem checklist 10 2 Prod...

Страница 147: ...ord 3 15 Start up problems 10 3 Storage requirements 2 13 Switch settings 3 20 System care 2 12 dimensions B 6 feet 1 12 precautions for use 2 13 Standby 3 14 weight B 6 System features back 1 9 bottom 1 12 front 1 3 1 8 left 1 9 right 1 10 T Taskbar icon 3 15 Technical support 10 7 U USB port 1 10 1 11 8 4 Using AC adapter 2 3 animation files 9 5 main battery 2 6 NEC VersaGlide 2 2 V Vents 1 12 V...

Страница 148: ...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 relocate the receiving antenna Increase the separation...

Страница 149: ...es according to the manufacturer s instructions Il y a danger d explosion s il y a replacement incorrect de la batterie Remplacer uniquement avec une batterie du même type ou d un type recommandé par le constructeur Mettre au rébut les batteries usagées conformément aux instructions du fabricant Battery and LCD Panel Disposal The primary battery is made of Lithium Polymer Li Poly the secondary bat...

Страница 150: ...eclare that the product NEC Versa DayLite UltraLite is in conformity with part 15 of the FCC Rules Operation of this product is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation ...

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