################
RUNNING THE DEMO
################

To run the demo, double click on the CAD X11 Demo icon in the 
GrayTech program group. This will bring up a dialog box which
will allow you to select the demo to view; design and drafting
features or shading.

The workstation will then be controlled by the demo software.  The
demonstration software takes approximately 15 minutes to view.


#####################
INTERRUPTING THE DEMO
#####################


To pause the demo, press the left mouse button or the 'p' key.  To resume the
demo after a pause, press the middle mouse button or the 'r' key.  To quit the
demo, press the right mouse button or the 'q' key.

NOTE: The demo may not pause or quit immedialtely after pressing the mouse
button or key.

#########
DEMO LIFE
#########


All demo software is designed to run for a specified period of time which
is noted in the cover letter.  Once the time period has expired, delete the
CAD X11 Demo directory and the GrayTech Program group, and return the tape
to GrayTech Software, Inc.  At that time, if you wish, we will send a new
copy of the CAD X11 demo.


###############
INTERACTIVE USE
###############


Hands-on usage of the software may be initiated by selecting one of the 
three interactive icons from the GrayTech program group. The standard 
interface is the interface used by CAD X11 on all UNIX platforms. The
Windows interface is a Windows based interface and is still under development.
The prompt mode will bring up a dialog box which will allow you to change
the font and startup parameters used by CAD X11.

You will be prompted for a password.  If you have already obtained one from
GrayTech, simply enter it and proceed into the program.  If you do not have
a password, contact GrayTech with the code number in the dialog box.
GrayTech will then recontact you with your password.  After entering the
password, the demo software will be brought up in a similar manner as would
a licensed copy of CAD X11.  Saving and all output capabilities are deactivated.
Your acceptance of the password from GrayTech constitutes your agreement
to not use the software for production.


###################################
KEY DEFINITIONS FOR INTERACTIVE USE
###################################


This is an abbreviated list of CAD X11 key definitions


Mouse Button 1  This button is used to select a menu, pick a piece of
                geometry for manipulation, pick a text based entity for 
                manipulation, or indicate a crosshair position for CAD X11
                processing.

Mouse Button 2  This button is used to abort an operation or answer no to
                a question.  It equivalent to the [ key on the keyboard, or
                the ABORT function key.

Mouse Button 3  This button is used to signal to CAD X11 that all desired
                data has been input or selected.  This key will also answer
                yes to a question.  It is equivalent to the ] key on the 
                keyboard, or the OPERATION COMPLETE function key.

Y  Yes          This key signifies yes to a question.

N  No           This key signifies no to a question.
 
R  Repaint      This key causes redrawing of the display.  This key is not
                recognized when keying in data.

Z  Zoom         This key activates the ZOOM menu and allows the user to modify
                the position and size of the drawing on the screen.  Zooming
                can be activated in the middle of any operation.  If you are
                entering data, Press CTRL-Z to activates the ZOOM menu.

D  Depth        This keys activated Menu 8.2, allowing the user to modify
                the current Z value for the current contruction plane view.

U  Undo         This key activates the powerful undo function.  All changes
                to the current drawing, since it was last retrieved, can be
                undone one by one by pressing the U key.  The UNDO feature is
                reinitialized when another drawing is retrieved.  This key is
                not recognized when keying data or entities are being selected.

F  Main Menu    This key causes control to return to the CAD X11 main menu.  
                If you are keying in data, press CTRL-F.

CTRL-P  POINT   This key takes system control directly to the POINT menu.

CTRL-L  LINE    This key takes system control directly to the LINE menu.

CTRL-A  ARCS    This key takes system control directly to the ARC/CIRCLE menu.

CTRL-S  Modals  This key takes system control directly to the SYSTEM MODALS
                menu.

CTRL-T  TRIM    This key takes system contril directly to the TRIM/EXTEND 
                Curves menu.

CTRL-G  GRID    This keys turns on or off the background grid.  Grid 
                specifications are set in Menu 1.11.

CTRL-I  I-PTS   This keys activates the Implicit Points menu when valid.  
                Whenever the messages appears to select a point or implicit
                point, this function key is active for processing.

I  I POINTS     This key is used when selecting points displayed on the 
                screen.  If a point is not displayed where you desire one, 
                this function key may produce the desired result.  This key 
                will create a point at the end of an entity, the mid-point of a 
                line, the intersection of two entities, the center of a 
                circle, the quandrant point on a circle or the corner
                of a polygon.

X  Dig Point    This key may be pressed when attempting to select a POINT
                where no point exists yet.  The crosshair position will
                be processed, a point generated, and then selected for the
                current function.

F3  Function    This key will toggle between the different x,y crosshair
                position printouts displayed in the lower right corner
                of the window.  

F5  Function    This key will activate a macro that has been selected by
                pressing the F7 key.  Press this key again to turn off
                the selected macro.

F7  Function    This key will display the current available list of macros
                for selection.  You may select one and then activate it for
                processing by pressing the F5 key.


There are approximately twice as many function keys actually available but
not documented here.  Also, the keyboard is user defineable for customization
at your site.

##################
ON-LINE CALCULATOR
##################


Whenever you are prompted to key-in a numerical value, the on-line
calculator is functioning.  Simply input an algebraic expression and CAD X11
will substitute the result into the cuurent data input line.  Sines, cosines,
square roots, exponentials, logs, etc are valid entries.

Examples:      3.125/2
               2.*dsin(30.)
               1.+sqrt(2.)
               2**(1./3.)

