Texas Instruments Extensa 450 Series, Maintenance Manual

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Supporting Online documentation
The PC-Doctor Diagnostic contains the following online information sources:
•
Online Technical Manual- selected at any time by pressing F1 key twice or by
clicking on the Question Mark in the upper left hand corner of any PC-Doctor
Menu
•
On-line Help system that provides context sensitive information from every
PC-Doctor screen- accessed by pressing F1 key once (pressing F1 twice gets
you into the online manual)
5.3.5.1 User Interface to PC-Doctor
PC-Doctor is structured as a text-mode, windowed user interface with pull-down
menus. Program operation requires the use of the following keys:
•
Cursor Keys- move the highlighted pointer
•
ENTER Key- Selects the highlighted option
•
ESC Key- Cancels current function and goes back one step
•
F1 Key- Activates the context-sensitive help feature (pressing F1 twice in a row
calls up the online Technical Reference Manual for PC-Doctor)
Scrolling windows, which show the results of various operations, use the following
keys:
•
Page Up/Page Down- moves the screen one page at a time
•
F2- Prints the log to PRN
•
F3- saves the log to a file
You can also use the mouse or Point to interact with PC-Doctor. The leftmost Select
key is used to choose objects (menu entries and action codes typically enclosed in
brackets). The rightmost
Select key is equivalent to the ESC key which takes you
back to your previous step.
5.3.5.2 Creating a Bootable Floppy Diskette
Prior to using PC-Doctor, create a bootable floppy diskette using the following
procedure:
1
. Power up the unit; when unit displays message, "Starting Windows 95", press
F8. Choose Command Prompt Only from menu.
2.
Using DOS, format a floppy diskette.
3 . From the A: prompt, copy the basic MS-DOS files to the diskette using the
following command:
Format A: /F:1440 /S
5-8 Troubleshooting