Toshiba Satellite 2450 Manuel d'utilisateur Page 234
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Glossary-2
GLOSSARY
analog signal: A signal whose
characteristics such as amplitude and
frequency vary in proportion to (are an
analog of) the value to be transmitted.
Voice communications are analog
signals.
ANSI: American National Standards
Institute. An organization established
to adopt and define standards for a
variety of technical disciplines. For
example, ANSI defined the ASCII
standard and other information
processing requirements.
antistatic: A material used to prevent
the buildup of static electricity.
application: A group of programs
that together are used for a specific
task such as accounting, financial
planning, spreadsheets, word process-
ing and games.
ASCII: American Standard Code for
Information Interchange. ASCII code is
a set of 256 binary codes that represent
the most commonly used letters,
numbers, and symbols.
async: Short for asynchronous.
asynchronous: Lacking regular time
relationship. As applied to computer
communications, asynchronous refers
to the method of transmitting data that
does not require a steady stream of
bits to be transmitted at regular time
intervals.
(Abbreviations continued)
TFT: thin-film transistor
UART: universal asynchronous
receiver/transmitter
USB: Universal Serial Bus
UXGA: ultra extended graphics array
VESA: Video Electronic Standards
Association
VGA: video graphics array
VRT: voltage reduction technology
XGA: extended graphics array
A
adaptor: A device that provides an
interface between two dissimilar
electronic devices. For example, the
AC adaptor modifies the power from a
wall outlet for use by the computer.
This term also refers to the add-in
circuit cards that control external
devices, such as video monitors and
magnetic tape devices.
allocate: To assign a space or
function for a specific task.
alphanumeric: Keyboard characters
including letters, numbers and other
symbols, such as punctuation marks or
mathematical symbols.
alternating current (AC): Electric
current that reverses its direction of
flow at regular intervals.
Adaptor
- Satellite 2450 Series 1
- Portable Personal Computer 1
- User’s Manual 1
- Copyright 2
- Disclaimer 2
- Trademarks 2
- FCC information 3
- FCC conditions 4
- VCCI Class B Information 4
- Modem warning notice 5
- Japan regulations 6
- Telephone company procedures 7
- If problems arise 7
- Disconnection 7
- Fax branding 7
- General conditions 12
- Table of Contents 15
- Chapter 3 Getting Started 16
- Chapter 4 Operating Basics 16
- Chapter 5 The Keyboard 18
- Chapter 8 Optional Devices 19
- Chapter 9 Troubleshooting 20
- Appendixes 21
- Glossary 21
- Manual contents 23
- Conventions 24
- Key operation 25
- Messages 25
- General Precautions 27
- PC card overheating 28
- Introduction 29
- Features 30
- Multimedia 34
- Communications 35
- Slim Select Bay 35
- Security 35
- Special features 36
- Utilities 38
- NTRODUCTION 39
- Slim Select Bay options 40
- The Grand Tour 41
- Left side 42
- Right side 44
- Back side 45
- DC IN 15V 46
- Under side 47
- Front with the display open 48
- Keyboard indicators 51
- ARROW MODE 51
- INDICATOR 51
- NUMERIC MODE 51
- Slim Select Bay modules 53
- Getting Started 59
- Placement of the computer 60
- Seating and posture 61
- Lighting 62
- Work habits 62
- Connecting the AC adaptor 63
- Opening the display 64
- Turning on the power 64
- Turning off the power 65
- Hibernation mode 66
- Starting Hibernation 67
- Automatic Hibernation 67
- Data save in hibernation mode 67
- Standby mode 68
- Restarting the computer 69
- Operating Basics 71
- Using the USB diskette drive 72
- Removing a module 73
- Installing a module 74
- Using optical media drives 75
- Removing discs 78
- Writing CDs on CD-RW/DVD-ROM 79
- When writing or rewriting 80
- Writing CD/DVDs on DVD-R/-RW 81
- Important message 82
- Read/write function chart 83
- Before writing or rewriting 85
- Drag’n Drop CD 86
- Data Verification 87
- Video (DVD-R/-RW/-RAM) 87
- Media care 89
- Region selection 90
- Properties menu 91
- Wireless communications 93
- Bluetooth wireless technology 94
- Wireless communication switch 95
- Connecting LAN cable 96
- Cleaning the computer 97
- Moving the computer 98
- Heat dispersal 98
- The Keyboard 99
- F1 … F12 function keys 100
- User's Manual 102
- Windows special keys 105
- Keypad overlay 105
- Numeric mode 106
- Generating ASCII characters 107
- Power and Power-Up Modes 109
- Power indicators 110
- Battery types 111
- Real Time Clock battery 112
- Safety precautions 113
- Charging the batteries 116
- Monitoring battery capacity 117
- Retaining data with power off 119
- Extending battery life 119
- Replacing the battery pack 120
- Installing the battery pack 121
- Power-up modes 123
- Panel power off 123
- System Auto Off 123
- HW Setup and Passwords 125
- HW SETUP AND 126
- PASSWORDS 126
- HW Setup 127
- Supervisor password 133
- Optional Devices 135
- PC cards 136
- Removing a PC card 137
- SD cards 138
- Removing an SD card 139
- SD card care 139
- Memory expansion 140
- Removing memory module 145
- Before installing 147
- Removing 148
- SmartMedia 149
- Memory Stick 151
- Compact Flash 152
- Battery pack (Black) 153
- Universal AC adaptor 153
- USB FDD kit 153
- Figure 8-22 Opening the lid 154
- External monitor 155
- Using the TV button 156
- Changing the resolution 156
- Precautions 158
- Connecting 159
- Disconnecting 159
- Security lock 160
- Troubleshooting 161
- Analyzing the problem 162
- Hardware and system checklist 163
- Self test 164
- Overheating power down 165
- AC power 165
- Problem Procedure 166
- Password 167
- Keyboard 167
- LCD panel 167
- Hard disk drive 168
- DVD-ROM drive 169
- CD-RW/DVD-ROM drive 170
- DVD-R/-RW drive 172
- DVD Multi drive 173
- Diskette drive 175
- Infrared port 176
- Pointing device 177
- USB mouse 178
- Sound system 180
- Wireless LAN 183
- Bluetooth 184
- Real Time Clock 184
- TOSHIBA support 185
- Specifications 187
- Display Controller and 189
- Video modes 190
- Appendix B 191
- AT Commands 199
- A Answer command 200
- En Echo command 201
- Hn Hook control 201
- In Request ID information 201
- Ln Monitor speaker volume 202
- Mn Monitor speaker mode 202
- Nn Modulation handshake 202
- Qn Result code control 203
- P Select pulse dialing 203
- T Select tone dialing 204
- Vn DCE response format 204
- Dial tone detect 205
- Busy tone detect 205
- Zn Recall stored profile 205
- &Dn DTR control 206
- &F Load factory settings 206
- &Tn Self-test commands 207
- Appendix C 209
- \Vn Protocol result code 210
- %B View numbers in blacklist 210
- %Cn Data compression control 210
- S-registers 211
- S0 Auto answer ring number 212
- S1 Ring counter 212
- (user defined) 212
- S6 Wait before dialing 213
- S8 Comma pause time 214
- S11 DTMF dialing speed 214
- S12 Escape guard time 214
- S37 Dial line rate 215
- AT command set result codes 216
- 2 90 Blacklist is full 217
- V.90 mode 219
- AT Command 221
- Internal Modem Guide 223
- Removing the internal modem 224
- Supported Frequency Sub-bands 226
- Appendix G 227
- AC Power Cord and 229
- Connectors 229
- Parts Numbers 231
- Configurations 232
- GLOSSARY 234
- User's manual 248
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