Compaq C120 User manual

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Notice
The information in this guide is subject to change without notice.
COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR
TECHNICAL OR EDITORIAL ERRORS OR OMISSIONS CONTAINED
HEREIN; NOR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES
RESULTING FROM THE FURNISHING, PERFORMANCE, OR USE OF THIS
MATERIAL.
This guide contains information protected by copyright. No part of this guide
may be photocopied or reproduced in any form without prior written consent
from Compaq Computer Corporation.
1996 Compaq Computer Corporation.
All rights reserved. Printed in Japan.
Compaq, Deskpro, LTE, Contura, Presario, ProLinea
Registered U. S. Patent and Trademark Office.
Contura Registered in the Philippines Patent Office.
Armada is a trademark of Compaq Computer Corporation.
Microsoft, MS-DOS, and Windows are registered trademarks of Microsoft
Corporation.
The software described in this guide is furnished under a license agreement or
nondisclosure agreement. The software may be used or copied only in
accordance with the terms of the agreement.
Product names mentioned herein may be trademarks and/or registered
trademarks of their respective companies.
Getting Started
Compaq PC companion
First Edition (November 1996)
Part Number 266540-001
Compaq Computer Corporation

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Contents
Introduction ................................................................................................... 3
Precautions .................................................................................................... 3
Battery Life Note ........................................................................................... 4
Documentation .............................................................................................. 5
How to Use the Documentation ........................................................ 5
Symbols Used in This Manual .......................................................... 5
Unpacking ...................................................................................................... 6
Desktop Computer System Configuration ................................................ 7
General Guide ................................................................................................. 8
Setting Up ...................................................................................................... 10
Replacing Batteries ....................................................................................... 11
Replacing the Main Batteries ............................................................ 11
Replacing the Back-up Battery .......................................................... 14
Optional Battery Pack - NiMH ........................................................... 15
Resetting the C 120/C 140 ............................................................................ 16
Normal Reset ........................................................................................ 16
Memory Reset ...................................................................................... 16
To reset the C 120/C 140 ..................................................................... 16
Connecting the C120/CI40 to a Desktop Computer ….…………….…. 17
Replacing a PC Card ……………………………………………………….18
Troubleshooting ………………………………………………………….. 20
Appendix A - Regulatory Notices
Appendix B - Hardware Specifications

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Introduction
Congratulations on your selection of the C120/CI40. Before trying to use the
C120/CI40, be sure to read the contents of this manual. Keep this manual in a
safe place for future reference.
Important!
Memory contents can be corrupted or even lost due to mishaps caused by
malfunction, repair procedures, or battery replacement. Be sure to keep separate
back-up copies of all important data that you store in C120/CI40 memory. The C
I 20/C 140 can be connected to a desktop computer for uploading and
downloading of data. Once data is uploaded to a desktop computer, you can save
it to diskette, or some other external storage medium. Be sure to keep separate
back-up copies of all important data,
Precautions
The C120/CI40 is a precision digital instrument. Be sure to observe the following
important precautions in order to prevent malfunction that can result in improper
operation or corruption of data in memory.
§Never continue to use the C120/CI40 when battery power is low. Low
battery power can cause corruption or loss of data stored in memory.
Replace batteries as soon as possible after low power is indicated.
§Do not leave low batteries in the C 120/C 140.
Batteries that have low power can leak, causing damage to and malfunction
of the C120/CI40.
§Avoid using the C120/CI40 in areas subjected to the conditions listed below.
Such conditions can create the danger of fire or personal injury as well as
damage to and malfunction of the C 120/C 140.
Electrostatic charge
Extreme heat
Very high humidity
Sudden temperature change
Large amounts of dust

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Also note the following important precautions. Failure to do so can
create the danger of fire, personal injury, as well as damage to and
malfunction of the C120/C140. Should any of these events occur, turn
off the C120/C140 immediately and contact your Compaq authorized
dealer, reseller, or service provider, or call 1-800-345-1518.
•Never drop the C120/C140, allow it to be hit by other objects or
otherwise subject it to strong impact.
•Never place heavy objects on top of the C120/C140.
•Never disassemble the C120/C140.
•Never insert foreign objects into the connectors or slots of the
C120/C140.
•Never allow water or other liquids to come into direct contact with
theC120/C140.
•Always use the stylus that comes with the C120/C140 when
operating its touch screen or reset button.
•Never use paint thinner, benzene, or other volatile agents to clean
the C120/C140. Instead, use a soft cloth moistened with a solution
of water and a mild neutral detergent. Wring out all excess liquid
from the cloth before wiping the C120/C140.
Battery Life Note
Your Compaq PC companion is a very low power device, and can run
up to 20 hours on two AA alkaline batteries under ideal conditions.
Battery life can be reduced dramatically with extended use of the
backlight feature, or when used with options such as standard PC Card
modems.

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Documentation
The C120/CI40 comes with the following documentation.
Getting Started Manual (this manual)
User's Guide
How to Use the Documentation
Read this manual first. It covers how to set up the C 20/C 140 and load
batteries to power it.
What should I read next?
Read the User's Guide, which explains how to use the C 20/C 140.
What should I do if the C120IC140 does not do what I want it to? See
the Troubleshooting guide on page 20 of this manual.
Where can I find information about options and connecting the C1201/
C140 to a desktop computer?
See the pages of this manual noted below.
•Connecting to a desktop computer page 17
•Replacing a PC Card page 18
•For option information, refer to the options flyer included with
your PC companion packaging.
Symbols Used in This Manual
Important!
This symbol indicates important information about a procedure that can
result in problems if not performed correctly. Be sure to read this
information carefully.
Page
This symbol indicates a page where you can find more information or
related information.

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Unpacking
Check to make sure all of the following items are included
with your C120/CI40 when you unpack it.
•120/Cl4O Unit  Stylus
The stylus is inserted into the C 20/C 140 unit.
•Dummy Card •Auto-Sync Cable
The dummy card is inserted in the C1 20/C 140 unit.
• CD-ROM •Floppy Diskettes
The CD-ROM and the floppy diskettes contain an installer, software
applications, and software application documentation.

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•Manuals •AA-size Alkaline Batteries
(Getting Started Manual, User's Guide) (two)
•Options Flyer
•Owner Registration Card
•Warranty Card
•Diskette Fulfillment Card
Desktop Computer System Configuration
You should check to make sure that the configuration of your desktop computer is
as described below to support the installer and the software applications contained
on the CD-ROM and the floppy diskette.
Minimum Requirements:
Desktop computer with a 486/33DX or higher processor (Pentium P90
recommended)
Microsoft Windows 95 or later operating system (will not run oil earlier versions
of Windows or Windows NT)
8 MB of memory (12 MB recommended)
10 - 20 MB of available hard disk space (actual requirements will vary based on
features you choose to install and current system configuration) Available 9 or 25
pin Communications Port (adapter required for 25 pin communication port)
One CD-ROM drive (3.5" high-density disks provided on request)*
VGA or higher resolution graphics card (SVGA 256-color recommended)
Microsoft Mouse or compatible pointing device
Options:
Audio card/speakers for sound
If your desktop computer system does not have a CD-ROM drive, you can order
optional diskettes to replace the CD-ROM. Complete the fulfillment card that
came in the box.

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General Guide

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