IBM ThinkPad 770 PDF User’s Manual Guide

Choose Scrolling Method
Select which input device will be the scrolling device, that is, the device for Scrolling or Magnifying Glass control. Press Center Button, then use TrackPoint Holding down the center button on the keyboard allows the TrackPoint to control the Scrolling or Magnifying Glass. The TrackPoint operates normally (controls the mouse cursor) when the center button is not pressed. Use External Mouse This option sets an externally attached mouse to scroll (or move the Magnifying Glass) horizontally or vertically. Use the TrackPoint as a pointer. Use TrackPoint This option sets the TrackPoint to scroll horizontally or vertically. Use an externally attached mouse as a pointer. This setting is recommended if you have a mouse attached. Note: You can still use the TrackPoint to control the mouse pointer by pressing the center button.

Using Passwords
The password setting feature prevents your computer from being used by others. You can set the following passwords on your computer:
The Power-on password protects your computer from being used by unauthorized persons. The Hard Disk password protects the data on your primary hard disk from being accessed by unauthorized persons. You can also set a password for your secondary hard disk. The Supervisor password protects the system information stored in Easy-Setup and also makes your computer tamper-resistant.

Setting a Password
A password protects your computer from being used by unauthorized persons. Once you set a password, a prompt appears on the screen
each time you turn on the computer. You must enter your password at the prompt. You will not be able to use the computer unless you
type the correct password. To set a password, do the following:
1 Start Easy-Setup (refer to “Using Easy-Setup” on page 2-54).
2 Click on Password in the “Easy-Setup” menu. The first “Password” submenu appears

Using the Audio Features
Your computer is equipped with the following: A -inch (3.5-mm) diameter external stereo line-in or monaural microphone/line-in jack.
A -inch (3.5-mm) diameter stereo headphone or an external-powered speaker jack. A MIDI/joystick port on the port replicator. To use a MIDI device, you should first connect your computer to a port replicator; then connect an external MIDI device to the port replicator. After docking your computer in the port replicator, you should enable this port using the ThinkPad Configuration program. Your computer also has an audio chip that enables you to enjoy the various multimedia audio features. This audio chip provides the following features:
Recording and playing back of PCM and WAV files in 8-bit or 16-bit format.
Sampling of various rates from 8 KHz to 44 KHz for the WAV file.
Playing back of MIDI files through an FM synthesizer.
Recording from various sound sources, such as an integrated microphone, an external microphone, or an audio device attached to a line-in jack or an integrated CD-ROM drive.
DOS game campatibility. You should select Sound Blaster Pro** for the audio adapter in the sound setup of the game.
The 3D Sound Retrieval System (SRS) function compensates for the flat, two dimensional sound image limitations by reestablishing the necessary information that allows the human ear to hear in three dimensions…

Using the ThinkPad Modem
The ThinkPad modem, available on some models, enables you to send or receive data, faxes, and voice over the telephone line. This modem uses a digital signal processor (DSP) and its software can be upgraded, allowing great flexibility. It enables you to enhance the modem capability to 56 Kbps. Data modem functions
– Asynchronous communications port interface (NS16550A UART compatible) operation
– ITU-T V.34 up to 33.6 Kbps data modem
– ITU-T V.32bis protocols with data rates of 4800, 7200, 9600, 12000, and 14000 bps
– ITU-T V.32 protocols with data rates of 4800, 9600 uncoded, and 9600 bps Trellis coded
– ITU-T V.21/V.22, V.22bis protocols with data rates from 300 bps to 2400 bps
– Hayes** AT command set compatibility
– Asynchronous error recovery protocol
– Microcom Network Protocol (MNP**) protocols
- Error correction via MNP classes 1–4
- Data compression via MNP class 5 and V.42bis
- MNP class 5 for up to 2x data compression
– VoiceView (Windows 95 only)
Facsimile (fax) modem functions
– Class 1 fax modem
– Class 2 fax modem
– G3 transfers
– ITU-T T.4 & T.30 operations
– ITU-T V.27ter-2400/4800 bps send/receive
– ITU-T V.29-7200/9600 bps send/receive
– ITU-T V.17-14400 bps send/receive
You can use this ThinkPad modem only on a public-switched telephone network (PSTN). You cannot use a private branch exchange (PBX) or some other type of digital telephone extension line. If you connect the modem to a line other than PSTN, an error message appears, preventing you from using the line. If you are not sure which kind of phone line you are using, contact your telephone company..

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March 27, 2010 | Posted in Electronic Manual, Lenovo Manual, Notebook

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