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PROPRIETARY NOTICE AND LIABILITY DISCLAIMER
.
The information disclosed in this document, including all designs and
related materials, is the valuable property of NEC Corporation (NEC)
and/or its licensors. NEC and/or its licensors, as appropriate, reserve all
patent, copyright and other proprietary rights to this document, including
all design, manufacturing, reproduction, use and sales rights thereto,
except to the extent said rights are expressly granted to others.
The NEC product(s) discussed in this document are warranted in
accordance with the terms of the Warranty Statement accompanying
each product. However, actual performance of each such product is
dependent upon factors such as system configuration, customer data, and
operator control. Since implementation 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.
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
approval of NEC is prohibited.
Versa is a U.S. registered trademark of NEC Corporation
All other product, brand, or trade names used in this publication are trademarks or registered
trademarks of their respective trademark owners.
First Printing — February 1996
Copyright 1996
Copyright 1996
NEC Technologies, Inc.
NEC Corporation
1414 Massachusetts Avenue
7-1 Shiba 5-Chome, Minato-Ku
Boxborough, MA 01719
Tokyo 108-01, Japan
All rights reserved
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Summary of Contents for NEC Versa 2200C Series

  • Page 1 The information disclosed in this document, including all designs and related materials, is the valuable property of NEC Corporation (NEC) and/or its licensors. NEC and/or its licensors, as appropriate, reserve all patent, copyright and other proprietary rights to this document, including all design, manufacturing, reproduction, use and sales rights thereto, except to the extent said rights are expressly granted to others.
  • Page 2: Using This Guide

    Chapter 1 introduces the computer, its features, and how to care for it. Chapter 2 explains how to use the NEC Versa 2200C hardware. Chapter 3 describes the software that comes with your NEC Versa 2200C.
  • Page 3: Text Setup

    Appendix A, Setting Up a Healthy Work Environment, contains guidelines to help you use your computer pro- ductively and safely. This appendix also instructs you on how to set up and use your computer to reduce your risk of developing nerve, muscle, or tendon disorders. Appendix B, Specifications and Environment, provides system specifications and environment recommenda- tions.
  • Page 4: Related Documents

    In addition to this guide, a number of other documents ship with your Versa system, including: The NEC Versa 2200C Notebook Quick Setup shows you how to set up your system after you unpack it. The Versa 2200 Series Quick Reference Guide contains brief descriptions of function keys, LEDs, NEC Help telephone numbers and troubleshooting tips.
  • Page 5: Table Of Contents

    Contents Using This Guide Text Setup ............... viii Related Documents........... Getting to Know Your NEC Versa 2200 Around the System ........... Front..............LCD Screen ........... Brightness Control.......... Switches............LEDs ............. Keyboard ............NEC VersaGlide ..........Rear..............Left Side ............. 1-10 Right Side ............
  • Page 6 Serial Devices ..........2-15 External Keyboard ..........2-16 Mouse..............2-17 Internal Modem........... 2-19 PCMCIA (PC Card)..........2-20 NEC Versa MediaDock 2000 ......2-22 NEC Versa MiniDock 2000......... 2-23 About the Software Windows Introduction ..........Windows 95 ............Windows for Workgroups ........
  • Page 7 Things to Do ............Solving Problems Problem Checklist ............ Start-Up Problems............ POST Error Messages......... If You Need Assistance ..........Getting Help Setting Up a Healthy Work Environment Making Your Computer Work for You ..... Arrange Your Equipment.......... Adjust Your Chair............ Adjust Your Input Devices ........
  • Page 8 vi Contents...
  • Page 9: Getting To Know Your Nec Versa 2200

    Take the online System Tour to get acquainted with the NEC Versa 2200C. (The System Tour is located in the Windows NEC Information group under the NEC Versa 2200C InfoCenter.) Wander through the online system Basics.
  • Page 10: Around The System

    AROUND THE SYSTEM The NEC Versa 2200C is light and compact with features all around it. Front Take a look at the front of the NEC Versa 2200C. Front of system 1-2 Getting to Know Your NEC Versa 2200C...
  • Page 11: Lcd Screen

    LCD Screen Your NEC Versa 2200C comes with a 9.5-inch color TFT (Thin Film Transistor) active-matrix display. Brightness Control You can adjust the screen backlight brightness with the control slide switch located on the side of the screen. Getting to Know Your NEC Versa 2200C 1-3...
  • Page 12: Switches

    Switches The NEC Versa 2200C has the following switches: Reset — This recessed switch resets the system if the NEC Versa does not respond to keyboard input or VersaGlide movement. This is an alternative to powering down the system and restarting it. (Use a non-metallic pointed object.) —...
  • Page 13: Leds

    LEDs The NEC Versa 2200C has several LED lights to let you know what’s happening on your system. — Green when On; no color when Power Management Off; blinking green when the system is in Suspend mode. — There are several light indi- Battery/AC Power Status cators.
  • Page 14: Keyboard

    Diskette — Green when the NEC Versa 2200C is writing data to or retrieving from the diskette in the diskette drive. — Green when the NEC Versa is writing data to Hard Disk or retrieving from the system’s hard disk.
  • Page 15 The numeric keys are printed in blue. The keypad lets you type numbers and mathematical operands (+, -) as you would on a calculator. The keypad is ideal for entering long lists of numbers. Getting to Know Your NEC Versa 2200C 1-7...
  • Page 16: Nec Versaglide

    VersaGlide, see Chapter 2, “Learning to Use the Hardware.” Rear The rear of the system has ports for connecting your NEC Versa 2200C to other devices, like a printer or an external mouse, and power sources. Rear of system 1-8 Getting to Know Your NEC Versa 2200C...
  • Page 17 AC Power Jack — Use the power jack to attach the NEC Versa 2200C to an AC power source such as the AC adapter or the optional car adapter. Getting to Know Your NEC Versa 2200C 1-9...
  • Page 18: Left Side

    Left Side The left side of your NEC Versa 2200C has two slots for PC cards and a hard disk drive compartment. (There is also port cut-out on this side for the optional internal modem.) Left side — PCMCIA is a standard interface for pe-...
  • Page 19: Right Side

    Right Side On the right side of the NEC Versa 2200C is a diskette drive and a compartment for the removable battery. Right side Diskette Drive — You can save your files to diskette and install software from diskette using the diskette drive, called drive A.
  • Page 20: Underside

    Underside Every inch of the NEC Versa 2200C has a purpose — even the underside! Turn your system upside down. You’ll see three compartments. The small compartment is for expan- sion memory modules. Another compartment contains the Lithium Ion (Li-Ion) battery. There is also a compartment for an internal data/fax modem.
  • Page 21: System Care

    Do not use the system in humid or dusty environments. Avoid exposing the NEC Versa 2200C or AC adapter to extreme changes in temperature or humidity. If it is un- avoidable, allow your NEC Versa to adjust to room temperature before using.
  • Page 22: Storage Requirements

    Special screen wipes are available through your local computer dealer. System plastic — If the NEC Versa 2200C plastic case gets dirty, carefully wipe it with a slightly damp, almost dry cloth. Be extremely careful not to drip any moisture onto or into the NEC Versa 2200C.
  • Page 23 Wait before turning the system on so that the internal temperature of the system can equalize with the cooler environment and any moisture can dry. Getting to Know Your NEC Versa 2200C 1-15...
  • Page 24: Learning To Use The Hardware

    Learning to Use the Hardware Like any computer, the NEC Versa 2200C is made up of the hardware — the physical unit and its components — and the software — the programs that run on the computer. This chapter discusses the hardware. The topics include:...
  • Page 25: Battery Pack

    Keep the adapter connected whenever possible. The AC adapter keeps the battery charged while you use the system and when the NEC Versa 2200C is powered off. Here's how you connect the AC adapter: Connect the AC adapter to your NEC Versa 2200C.
  • Page 26: Removing The Battery Pack

    NEC Versa 2200C AC adapter into a wall outlet. The battery recharges over a pe- riod of two hours while in the NEC Versa 2200C and the system is powered off. You can recharge the battery in six to seven hours while the system is on.
  • Page 27: Keyboard

    Read the precautions printed on the battery and in the online NEC Versa 2200C InfoCenter Basics . KEYBOARD The NEC Versa 2200C keyboard is equipped with many features. They include the following. Function keys Cursor control keys Typewriter keys...
  • Page 28 Keyboard — There are 12 function keys, through Function keys . The key activates key functions printed in blue on keys having dual functions — Cursor control keys let you posi- Cursor Control keys tion the cursor on the screen where you want. On the screen, the cursor is a blinking underline or block, depending on the application.
  • Page 29: The Nec Versaglide

    THE NEC VERSAGLIDE The NEC VersaGlide is an easy way to control the screen pointer (cursor) with your finger. Simply move your finger across the NEC VersaGlide touchpad and the cursor fol- lows.
  • Page 30: Pointer Size, Speed

    Follow these basic ergonomic tips while working: Use a light touch on the VersaGlide surface. Set up your NEC Versa 2200C with your keyboard and VersaGlide at a comfortable height. Keep your forearms parallel to the floor. Your wrists should be relaxed and straight.
  • Page 31 Check that the NEC Versa 2200C power is off. Open the hard disk compartment cover, swing the drive handle down, and pull the drive out of the compartment. Swing the handle on the new drive down. Install the drive, sliding it into the compartment. Press firmly to make sure the drive is fully inserted.
  • Page 32: Memory Expansion

    Memory Expansion Your NEC Versa 2200C comes standard with 8 megabytes (MB) of random access memory (RAM). You can increase system memory to a maximum of 40 MB by installing any one or combination of two of the following memory mod- ules in the system.
  • Page 33 Install the memory card as follows. Align the memory card connector with the connectors in the system. (The card fits in either slot.) Insert the card connector by sliding it into the system connector. Press the card to make sure it is securely seated.
  • Page 34: External Monitor

    Versa 2200C. You need a display signal cable (usually provided with the monitor). One end of the cable must have a 15-pin connector for the system. (See the back of the NEC Versa 2200C, behind the right-rear cover, for the monitor connector.)
  • Page 35 Learning to Use the Hardware 2-11...
  • Page 36 Follow any setup instructions in the monitor manual. Turn on power to the monitor. Press the Suspend button to resume Active mode or power on the NEC Versa 2200C. Toggle the Fn + F3 function key combination to select both the LCD and CRT monitor, CRT monitor only, or LCD only.
  • Page 37: Printers

    Control Panel. See the online Windows QuickStart Guide or Using Windows 95 for instructions on installing the device. To connect a parallel device to your NEC Versa 2200C, do the following. Check that both the NEC Versa 2200C and device power are off.
  • Page 38 Connecting a parallel device Align and connect the other end of the cable to the parallel port on the device. Lock the connector clips. Connect the power cable to the device and a properly grounded wall outlet. Turn on power to the system and then to the device. NOTE Check that the device is online before you try to use it.
  • Page 39: Serial Devices

    Control Panel. See the online Windows QuickStart Guide or Using Windows 95 for instruc- tions on using the Control Panel. Follow these steps to connect a serial device to your NEC Versa 2200C. Check that both the NEC Versa 2200C and the device power are off.
  • Page 40: External Keyboard

    Y-adapter. See the online NEC Versa 2200C Options Catalog. Follow these steps to connect an external keyboard to your system. Check that the NEC Versa 2200C is in Suspend mode or powered off. CAUTION Make sure the NEC Versa 2200C is in Suspend mode whenever you add or remove a keyboard.
  • Page 41 The built-in system keyboard will become disabled. NOTE For instructions on connecting an external keyboard to either the NEC Versa MediaDock 2000 or the MiniDock 2000, see the user's guide that came with your specific docking station. Learning to Use the Hardware 2-17...
  • Page 42: Mouse

    Mouse You can add an external mouse to your NEC Versa 2200C to use in place of the NEC VersaGlide for moving the pointer. Use the following procedure to connect a PS/2-style mouse to the system. Check that the NEC Versa 2200C is powered off.
  • Page 43: Internal Modem

    MiniDock 2000, see the user’s guide that came with your specific docking station. Internal Modem The NEC Versa 2200C comes ready for you to install an internal modem to send and receive faxes, cruise the Inter- net, and download information. A modem converts data so it can be transmitted over phone lines and then converts it back again so you can read it on your computer.
  • Page 44: Pcmcia (Pc Card)

    If you have an internal modem, plug the telephone cable into the modem connector on the NEC Versa 2200C. If you have an NEC Versa 2200C without an internal mo- dem, plug the phone cable into the PC card which is in- serted in a PCMCIA slot.
  • Page 45 To insert a PC card, open the slot cover and follow these steps. Align the card so the 68-pin connector points toward the slot. Slide the card into either slot. A low, then high tone lets you know that it’s fully inserted and recognized. (If you turned off the sound on the Versa, the tones do not sound.) Other two-tone sequences such as high, then low tones indicate the card is inserted, but the type is un-...
  • Page 46: Nec Versa Mediadock 2000

    , then press the button on the side of the slot and remove the card.) NEC Versa MediaDock 2000 The NEC Versa 2200C expansion options give you one touch connection to external peripherals or a full-blown mul- timedia station. The MediaDock 2000 provides CD-ROM capability and a stereo sound system.
  • Page 47: Nec Versa Minidock 2000

    The NEC Versa MiniDock 2000 option provides you with the convenience of a dock at your desk without taking up a lot of space. With your NEC Versa 2200C securely at- tached to the MiniDock, you can have one connection with all your peripheral resources —...
  • Page 48: About The Software

    Online Help NEC Utilities WINDOWS INTRODUCTION Your NEC Versa 2200C gives you the option of loading either Windows 95 or Windows for Workgroups to use on your system. Both Microsoft operating systems provide a means of running applications, navigating through your file structure, and using your notebook computer.
  • Page 49: Windows 95

    My Briefcase — gives you quick access to files you fre- quently use. NEC Versa 2200C InfoCenter — provides several levels of information about your NEC Versa 2200C. (This is further described later in this section.) Start — lets you access a pop-up menu to start pro- grams and applications, open documents, and shut down your system.
  • Page 50: Windows For Workgroups

    NEC Versa, NEC customer support, and Windows and DOS. NEC Versa 2200C Utilities — Includes small programs written by NEC to help you manage your NEC Versa computer. Every application in Windows is assigned an icon. Applica- tion icons are placed in group windows, which are repre- sented by group icons.
  • Page 51: Dos Introduction

    2200C InfoCenter program group. (This is available if you have Windows for Workgroups on your computer.) GUIDE TO ONLINE HELP The NEC Versa 2200C has plenty of information for you online. NEC Versa 2200C InfoCenter The NEC Versa 2200C InfoCenter contains several specific areas of information to help you.
  • Page 52: Additional Topics

    The NEC Customer Service Guide discusses the various levels of support NEC offers you, our customer. We pro- vide lots of information to help you become self-sufficient with your NEC Versa 2200C, but if you need help, we’re there for you. UltraCare Guide The NEC UltraCare Guide describes NEC’s one-year war-...
  • Page 53: Guide To Nec Utilities

    Microsoft Windows 95 on the NEC Versa 2200C. The MS-DOS 6.2 QuickStart Guide This online “book” presents a series of lessons on using MS-DOS, which also runs on the NEC Versa 2200C. This appears on Windows for Workgroups only. GUIDE TO NEC UTILITIES NEC provides several programs and routines designed to make your NEC Versa 2200C run more efficiently.
  • Page 54: Powercenter

    16-MB. You will need to update this utility only if you upgrade the amount of memory to more than 16-MB in your NEC Versa 2200C. This utility must be run in DOS. (It will not run on a compressed drive.)
  • Page 55: Using Auto Setup

    Using Auto Setup Use Auto Setup as follows: Reboot your system. When the screen displays the blinking block at boot-up, press When the Auto Setup Summary screen is displayed, en- ter the highlighted letter in the menu bar that represents the category you want.
  • Page 56: Traveling With Your Nec Versa

    Traveling with Your NEC Versa 2200C The NEC Versa 2200C makes a natural traveling compan- ion. Using a battery, you can use the computer anywhere you go. Here is some information you might find helpful when taking the NEC Versa on the road.
  • Page 57: Power Connections

    "Learning to Use the Hardware" and Appendix C, “Modem Commands, Codes, and Registers” in this guide. CHECKLISTS The following checklists can help you prepare for your trip with your NEC Versa 2200C. Look them over and use what fits your situation. 4-2 Traveling with Your NEC Versa 2200C...
  • Page 58: What To Take

    Put your system into Suspend or Standby mode so you can quickly boot up at the airport security check. Fully charge all your batteries. Tape your business card to your NEC Versa 2200C, AC adapter, and batteries. Traveling with Your NEC Versa 2200C 4-3...
  • Page 59: Solving Problems

    Problems Once in a while you may encounter a problem with your NEC Versa 2200C. The NEC InfoCenter has Questions and Answers that might be helpful to you. If the screen is blank, the instructions don't help, or no error message appears, use the information here to determine and fix the problem.
  • Page 60 Troubleshooting PROBLEM WHAT TO DO The system does not If you are operating the system with battery power, power on check that the battery pack is correctly inserted. Attach the AC adapter to recharge the battery. If you have the AC adapter attached, check that the electrical outlet you are using works.
  • Page 61: Start-Up Problems

    Setup. A disk drive might be busy. Wait until the disk drive stops and try again. The docking station might be connected to the NEC Versa 2200C. Some power management functions do not work when the docking station is connected.
  • Page 62: Post Error Messages

    LCD or a CRT. The system warns you with a beep. POST Error Messages The NEC Versa 2200C has a built-in checking program that automatically tests its components when you turn the system power on. This diagnostic test is called the Power- On Self-Test (POST).
  • Page 63 POST Error Messages MESSAGE WHAT TO DO No boot device Press to start Auto Setup. Change the hard available – press disk type to the correct setting. Exit and save to run Auto Setup Auto Setup. Or, check to see that the hard disk is properly installed.
  • Page 64: If You Need Assistance

    If you have a problem with your computer, first review the checklist and troubleshooting table in the previous section. If you still have a problem, call the NEC Technical Support Center (TSC), toll free, at 1-800-632-4525 Direct technical assistance is available 24 hours a day, seven days a week.
  • Page 65: Getting Help

    Getting Help NEC is ready and willing to help you with our products. Here's how to reach us. NEC Versa Diskette Fulfillment Center (800) 842-6446 To purchase backup diskettes and manuals. NEC Customer Service and Support (800) 632-4525 (508) 635-4666 Spare parts ordering, warranty claims, repair services, technical support, and service authorizations.
  • Page 66 Worldwide Web Address: www.nec.com NEC is a member of TSANet (Technical Support Alliance Network). 6-2 Getting Help...
  • Page 67: Setting Up A Healthy Work Environment

    Setting Up a Healthy Work Environment WARNING Prolonged or improper use of a computer worksta- tion may pose a risk of serious injury. To reduce your risk of injury, set up and use your computer in the manner described in this appendix. Contact a doctor if you experience pain, tenderness, swelling, burning, cramping, stiffness, throbbing, weakness, soreness, tingling and/or numbness in...
  • Page 68 Although some studies have shown an association between increasing hours of keyboard use and the development of some musculoskeletal disorders, 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.
  • Page 69: Arrange Your Equipment

    ARRANGE YOUR EQUIPMENT Arrange your equipment so that you can work in a natural and relaxed position. Place items that you use frequently within easy reach. Adjust your workstation setup to the proper height (as described in this appendix) by lowering the table or stand that holds your computer equipment or raising the seat height of your chair.
  • Page 70: Adjust Your Input Devices

    Use armrests or forearm supports to support your fore- arms. If adjustable, the armrests or forearm supports should initially be lowered while all the other adjust- ments discussed in this appendix are made. Once all these adjustments are completed, raise the armrests or adjust the forearm supports until they touch the forearms and allow the shoulder muscles to relax.
  • Page 71: Adjust Your Screen Or Monitor

    Press the keys gently; do not bang 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.
  • Page 72: Vary Your Workday

    Position whatever you are looking at most of the time (the screen or reference material) directly in front of you to minimize turning your head while you are typing. Get regular eye check-ups. VARY YOUR WORKDAY If you use your computer for prolonged periods, follow these instructions.
  • Page 73: Pre-Existing Conditions And Psychosocial Factors

    PRE-EXISTING CONDITIONS AND PSYCHOSOCIAL FACTORS Pre-existing conditions that may cause or make some people more susceptible to musculoskeletal disorders include the following: hereditary factors, vascular disorders, obesity, nutritional deficiencies (e.g., Vitamin B deficiency), endo- crine disorders (e.g., diabetes), hormonal imbalances, con- nective tissue disorders (e.g., arthritis), prior trauma (to the hands, wrists, arms, shoulders, neck, back, or legs), prior musculoskeletal disorders, aging, fluid retention due to...
  • Page 74: Specifications And Environment

    Specifications and Environment The following specifications are standard except where noted. System Processor Intel P54LM-75MHz Random Access Memory (RAM) Standard Main Memory — 8-MB high-speed interleaved access Expansion (optional) Two slots for DIMM sockets. Ex- pandable in 4-MB, 8-MB, 16-MB increments up to a total of 40MB.
  • Page 75 Two slots for two Type I/Type II PCMCIA cards or one Type III PCMCIA card. 3.3V interface. Internal Fax/Modem Ready to accept an optional NEC (Sierra Chip Set) 14.4Kbps v32 bis Fax/Modem with RJ11connector. See Appendix C for common modem commands.
  • Page 76 Numeric keypad — embedded Fn key function key for ROM-based key functions (5 keys for the Versa 2200) (2 additional function keys for Windows 95) Stroke 3 mm Diskette Drive Standard 1.44-MB drive Size 3.5 inch Capacity 720 KB or 1.44 MB Access Time (average) —...
  • Page 77 Power AC Adapter Input Voltage 100 to 240 volts (V) AC, 50 or 60 Hz, 1.5 A maximum Output Voltage 19 V DC, 2200mA (42W) Battery Pack Type — Lithium Ion (Li-Ion) Output Voltage — 14.4 V Capacity — 2,700 mA Battery Life Power Management off: 2 - 4 hours Power Management on: 3 - 4 hours...
  • Page 78 Weight System 6.51 lb (2.95 kg) Battery Pack 1.16 lb (527.6 kg) 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) Memory Map The system supports system miser and video shadowing.
  • Page 79 Interrupt Controllers Using interrupts, it is possible to change the code sequence. To change the sequence, reassign the interrupt levels. Fif- teen interrupts can be used with a cascade connection of 8259INTC x 2. The table shows interrupt level assignments 0 through 15, in order of decreasing priority.
  • Page 80: Modem Commands, Codes, And Registers

    Modem Commands, Registers, and Codes AT commands, S registers, and result codes are universally understood instructions for network communications. Most fax/modem applications automatically initialize your modem with the proper AT commands and you do not need to change anything. In case you ever do need to communicate directly with your modem, or change a setup string, the following tables list the most commonly-used AT commands, S registers, and result codes that you can use to...
  • Page 81: At Commands

    AT COMMANDS COMMAND DESCRIPTION Manual answer. Repeat last command (No AT needed). Attention code; precede all commands except A/ and +++ B, B0 CCITT V.22 mode at 1200 bps; V.21 at 300 bps. Bell 212 A mode at 1200 bps; Bell 103 at 300 bps.
  • Page 82 AT COMMANDS COMMAND DESCRIPTION I, I0 Display 14,400 (Identification code). Return actual checksum on ROM. Return OK/ERROR on RAM checksum. Display firmware revision. Display configuration settings. L0, L1 Low speaker volume. Medium speaker volume. High speaker volume. M, M0 Turn speaker off. Turn speaker on until Carrier Detect (CD).
  • Page 83 AT COMMANDS COMMAND DESCRIPTION No negotiation progress messages, report connect at DTE speed. Return negotiation progress messages, report connect at DTE speed. No negotiation progress messages, report connect at DCE speed. X, X0 Modem ignores dial tone and busy signal, enables and displays CONNECT result code.
  • Page 84 AT COMMANDS COMMAND DESCRIPTION &D2 Hang up and go to command mode for ON-to- OFF DTR transition. (Turn off auto answer.) &D3 Reset for ON-to-OFF DTR transition. &F Reset modem and recall factory defaults (only affects current user session; is not permanent.) Disable guard tones (USA setting).
  • Page 85 AT COMMANDS COMMAND DESCRIPTION &T5 Deny remote request for RDL test. &T6 Initiate RDL test. &T7 Initiate RDL test with self-test. &T8 Initiate local analog loopback with self-test. &V, &V0 View active configuration, profiles phone numbers, and S register contents. &W, &W0 Save active configuration as User Profile 0.
  • Page 86 AT COMMANDS COMMAND DESCRIPTION Auto-reliable LAPM, MNP, and buffer mode. Disable DTE flow control. Bi-directional Xon/Xoff. Unidirectional CTS interface signal. Bidirectional hardware flow control. (RTS/CTS) Disconnects if no activity for specified time; use values 0-90 (seconds). If value = 0 (default), the time is disabled.
  • Page 87: S Registers

    S Registers The modem provides S registers to let you control many of its parameters. Some of these S registers are Read-Only (RO) registers. Some are bit mapped. For bit-mapped S registers, each option controlled by the register is assigned a bit.
  • Page 88 S Register REGISTER DEFAULT DESCRIPTION Read-only bit mapped register. Read-only bit mapped test register. Modem test timer in seconds. Read-only bit mapped. Read-only bit mapped. Read-only bit mapped. DTR delay detect timer in seconds. .01-second delay from RTS true to CTS true.
  • Page 89: Result Codes

    Result Codes The following table shows the numeric and verbose forms of result codes the modem returns. RESULT CODES NUMERIC VERBOSE DESCRIPTION Command executed. CONNECT Connection at 300 bps. RING Ring signal detected. Carrier signal not detected or lost. CARRIER ERROR Invalid command, checksum, error in command line, or command line...
  • Page 90 (For United States Use Only) FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT WARNING: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
  • Page 91 A lithium battery in your computer maintains system configuration information. In the event that the battery fails to maintain system configuration information, NEC recommends that you replace the battery. WARNING: There is a danger of explosion if the battery is incorrectly replaced.

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