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PsL Monthly 1994 February
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COMMUNIC
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PCBB.ZIP
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PCBTUTOR.TXT
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1993-12-13
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PC Blackboard Tutorial
The PC Blackboard tutorial is broken into three parts. The first
deals with functions that do not require you to be connected to a remote
location, the second will show you the remote capabilities, and the third
section discusses the fax functionality.
Local Capabilities
There are three exercises for this section.
1) Drawing Tools and Attribute Menu
This exercise will get you acquainted with the drawing tools and
their attributes.
A) Scroll through the available drawing tools by pushing the button
on the pen or by hitting the right button of a mouse. You will
notice that your drawing tool changes each time you hit one of
these buttons. Now scroll through the tools until you come to the
free hand draw icon (it is shaped like a pencil, thin and pointed
at the top). You may now draw by pushing down on the pen or pushing
the left button of a mouse. As you hold either of these down and
move your pointing device, you will begin to draw to the screen.
B) Choose the rectangle icon by pushing the button on the pen or by
hitting the right button of the mouse. The rectangle icon it is
your second icon, and is bigger than the square icon (the third
icon). Move your cursor to your desired position and push down on
the pen or push the left button on a mouse. Now as you move your
pointing device while you hold down either of these buttons, a
ghost box will appear. When the box attains the size you wish it to
be, just let up on the pen or on the first button of the mouse.
The rectangle will now be drawn.
C) You need to practice cancelling the drawing of a shape. As you are
moving the ghost box around on the screen, you have the capability
to cancel the drawing of the box. This is done by hitting the
button on the pen, hitting the right button on the mouse, or by
hitting the <ESC> button on the keyboard, while you are holding
down the pen or holding down the left button of the mouse. This
action must be done simultaneously. Now practice this. You will
find that it is difficult to do this with the pen, if you do not
use the <ESC> key on the keyboard.
D) Try out all the remaining tools (square, line, and circle.) All
three will work just as the rectangle did.
E) Change the Fill attribute of the circle tool. Scroll until the
circle icon appears, then go to the main menu (hit the <ESC> key
or hit the middle button of the mouse). Select attributes from the main menu.
This will pop-up a window with two options. You may change your
line width and/or toggle from a filled circle to a non-filled
circle (and vice-versa). Change the fill option to "YES". This
is done by moving your cursor into the "FILL" box and pushing down
on a pen, hitting the left button of a mouse, or hitting the
<ENTER> key on the keyboard. As you select on this box, you will
notice that it will toggle between "YES" and "NO". Exit both the
attribute menu and the main menu, draw a circle. You will notice
that the circle is filled.
F) Change the Line Width attribute of the circle tool. Re-enter the
attribute menu (following the steps above) and change fill to "NO"
and change the line width to four. This is done by moving your
cursor within the grid until the box within the grid is to the far
right. Now exit both the attribute and main menus, and draw a
circle. (Be careful when exiting the attribute menu that you do
not change the desired line width. You must move your cursor out
of the grid before exiting this menu.) You will notice the circle is not filled, but its outline has a
width of four. It is recommended that you test out this feature
with all the tools and with different line widths. You will soon
notice that draw and line only have the line width option.
NOTE: If you have the pointer selected (the upward arrow), you will
not be able to enter the attribute menu since it has no
attributes to be set.
2) Save and Load File
This exercise is meant to show you the save and load features.
A) Draw some shapes and free hand draw on the screen.
B) Go to the main menu and select files. Select the save option by
moving your highlight bar to save and select it. A window will
appear with all existing files. If no files exist, you will be
notified, then a window will appear asking you for a title. In
either case, type in "TEST1" followed by the <ENTER> key. Your
screen is now saved.
C) Exit the file menu and select the clear screen.
D) Re-enter the main menu and then the files menu. Select load, and
move the highlight bar to "TEST1.PCX". Then push the pen down,
hit the left button of a mouse, or hit the <ENTER> key. Your
image will now be loaded to the screen. It is very simple.
3) Palette
This exercise describes the palette feature. This window has two
features depending on the type of graphic card you have. Each will
be described separately. But first, select "PALETTE" from the main
menu.
A) If you only have a CGA card in your machine, a window will pop-up
that allows you to change your foreground color. This is done
simply by pushing down on the pen, hitting the left button of a
mouse, or by hitting the <ENTER> key on the keyboard. You are not
constrained by the window on the screen, so you may do this
wherever you cursor is on the screen. As you select, you will
notice that the foreground color changes. When you reach the
color of your choice, exit from the palette.
B) If you have a VGA card, you may change both the foreground and
background colors. When "PALETTE" is selected, a window will
appear with two boxes within it. One will be marked "FOREGROUND"
(the left box) and the other will be marked "BACKGROUND"(the right
box). To change either of these, position your cursor within the
desired box and select it. You will notice that as you select it,
the given area (foreground or background) will change. Play with
this until you feel comfortable with it. When you have chosen the
colors of your choice, exit the palette.
Remote Capabilities
This section will discuss the process of connecting to another PC, as
well as some strictly remote features. There are 5 exercises in this
section.
1) The Configuration Menu and Communication Menu
The configuration menu allows you to setup the communication
parameters. Select Configuration from the main menu.
A) Select the type of modem you are going to use. That is, you must
change the device type to Hayes compatible, Telebit Trailblazer,
or AT&T Comsphere. If you do not have a Telebit Trailblazer or
AT&T Comsphere, you must select Hayes compatible. This selection
is done by moving your cursor into the box to the right of device
and selecting it. This will allow you to scroll through your
available options.
B) The next parameter to be set is the com port number. This
represents which port your communication device is connected
too. It is up to you to determine which com port it is connected
too.
C) The third option is the baud rate. Both modems must be setup at
the same baud rate. It is recommended to run at the highest speed
possible that is available to both modems. For this exercise,
select 2400 baud (if both modems can handle this).
D) Now that all the parameters are set. Leave the configuration menu.
Then have one site call the other. The one who is going to receive
the call, must exit the main menu. As you both exit the
configuration menu, you will be informed if the modem is setting
up. Once the receive PC has exited the main menu, he/she is ready
to receive the call. The person who is go