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Wildcat Gold - The Optical BBS
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Wildcat Gold - The Optical BBS (The Golden ROM Series)(Volume 4 Number 1)(The Digital Publishing Company)(1992).ISO
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PTERMEMU
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1991-11-25
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Terminal Emulation
KEYSTROKES: ┌─────┐ ┌─────┐
│ ALT │ + │ P │
└─────┘ └─────┘
┌─────┐┌─────┐┌─────┐
│ T ││ G ││ A │
└─────┘└─────┘└─────┘
┌─────┐
│ Select the desired emulation
└─────┘
┌────────┐
│ ENTER │
└────────┘
┌─────┐┌─────┐┌─────┐┌─────┐┌─────┐
│ ESC ││ ESC ││ESC ││ S ││ESC │
└─────┘└─────┘└─────┘└─────┘└─────┘
When you select the Terminal SetUp option, you will be presented with a
screen that allows you to set the following:
1) Terminal emulation ... ANSI-BBS
2) Duplex ............... HALF
3) Flow Control ......... NONE
4) CR translation (in) .. CR
5) CR translation (out) . CR
6) BS translation ....... DEST
7) BS Key definition .... BS
8) Line wrap ............ OFF
9) Scroll ............... ON
10) Enquiry .............. OFF
11) Break Length (ms)..... 350
1) Terminal Emulation
Terminal emulation means using your computer to act like a terminal. Use
this parameter to select the terminal you wish to emulate. All of ProComm's
terminal emulations are described in detail in Appendix A of the manual.
After selecting option 1, press the space bar until the terminal you wish to
use is displayed. Then press [ENTER] to make that terminal the current
emulation. Take care to insure that the rest of the settable terminal
parameters match what is expected for the terminal type you select. The DEC
VT100 is the most popular terminal emulation for most users. For general BBS
work, we suggest ANSI-BBS.
2) Duplex
You can control the default duplex setting here. Your choices are full
duplex (no echo) and half duplex (local echo). The system administrator of
the system you are calling can tell you what is appropriate for a particular
system.
In general, if what you type is not displayed on the screen, but should be,
try going to half duplex. If you see two of every character you type (e.g.,
"ttwwoo ooff eevveerryy cchhaarraacctteerr"), change to full duplex.
Duplex may also be changed while in a session (use the Alt-E command).
3) Flow control
Flow control (sometimes called "handshaking") is a method computers use to
control the way they talk back and forth. It's similar to a traffic light in
that it determines in which direction traffic can flow at what time. The
only flow control that ProComm currently supports is XON/XOFF, so your
choices for this parameter are XON/XOFF or NONE. If you wish to use flow
control set this option to XON/XOFF; otherwise select NONE. ProComm performs
XON/XOFF at the interrupt level. To prevent deadlock because of extraneous
XOFFs caused by line noise, ProComm allows you to reset the XOFF flag. If
you see a message on the status line that indicates that an XOFF was
received, but you think it is not valid, press [ESC] to clear the XOFF flag
and allow you to continue work.
4) CR translation (in)
This feature is used to set the power-up default for incoming carriage return
translation.
ProComm needs a CR/LF sequence to correctly handle lines sent to it by a
remote. The CR (carriage return) moves the cursor to the beginning of the
current line, and the LF (line feed) moves it to the next line. Some systems
send only a CR and expect you to provide the line feed, while others send
both the CR and LF.
When set to CR, ProComm leaves incoming carriage returns alone, and assumes
that the remote system will also send a LF. When set to CR/LF, ProComm
automatically adds a LF to any CR received. If the lines coming from the
remote write on top of each other, you need to set this translation to CR/LF.
If lines appear to be double spaced, go to CR.
Most TTY (non-full screen) applications (including most BBS's) send both the
carriage return and line feed, so the ProComm default is CR. You can change
this setting on-the-fly without affecting the power up default by using the
Alt-F3 command.
5) CR translation (out)
Just as different systems send different line end sequences, they also may
need to receive different line end sequences. Some systems need only a CR,
while others must have a CR/LF combination.
Use this option to set the ProComm power up default for outgoing carriage
return translation. If set to CR, outgoing carriage returns send only the
CR. If set to CR/LF, any carriage return sent by ProComm to the remote unit
will have a line feed appended to it.
The ProComm default is to send the CR only.
6) BS translation
A backspace (BS) may need to be interpreted differently depending upon the
terminal emulation in use. In most cases it is "destructive"; that is, the
cursor will both move to the left and delete the character in that position
when the BS key is pressed or a BS is received from the remote. In other
cases, the VT100 for instance, the BS behaves like a cursor-left command,
merely moving the cursor without erasing any characters; it is thus
"non-destructive" (NON-DEST). You may choose the correct behavior for your
application using this parameter. The ProComm default is DEST.
7) BS key definition
Normally, when the backspace key is pressed it sends a BS (ASCII 8) to the
remote unit; by using this option, however, you can force ProComm to transmit
a delete (DEL, ASCII 127) instead. The BS key definition option is
especially useful when the terminal being emulated has a Del key where the
IBM-PC has its BS key.
The ProComm default is to send a BS.
8) Line wrap
If an incoming line is greater than 80 characters long, it can be handled in
two different ways. It may be truncated (cut off) so that characters past
the 80th are lost, or it may be wrapped around to continue on the next line.
This setting controls which method ProComm will use.
If line wrap is set ON, lines greater than 80 characters in length will wrap
around and be displayed on the next line. With line wrap OFF, however, lines
greater than 80 characters in length will be truncated.
Since most terminals truncate lines, the ProComm default is line wrap OFF.
9) Scroll
The scroll parameter controls what happens if ProComm receives a CR (or
CR/LF) while the cursor is positioned at the bottom line. If the scroll
option is set ON, ProComm moves all the lines on the screen up one line
(losing the top line) and the new line is printed in the blank space at the
bottom of the screen. If scroll is OFF, the cursor returns to the far left
column, and the new line overprints the old. Normally this feature will be
set ON (the default), although for some full screen applications you may need
to inhibit screen scrolling.
10) Break Length (ms)
A break is a spacing condition on the line. It is often used to get a remote
system's attention. ProComm uses Alt-F7 (or CTRL-BREAK on IBM machines) to
signal a break.
The break length option allows you to set the length (in milliseconds) of the
break signal. The default is 350 ms, and is sufficient for most systems.
11) Enquiry (Ctrl-E)
Some systems send an ENQ control character (Ctrl-E, ASCII 5) and expect an
identifying sequence to be returned. If Enquiry is set ON, ProComm will
respond to an ENQ by sending the keyboard macro assigned to Alt-0. If Enquiry
is set OFF, the ENQ will be treated as just another character.
A third option is available for users of the CompuServe Information Service
(CIS). CompuServe uses an ENQ to signal the beginning of an automatic file
transfer. If you wish to be able to perform automatic file transfers using
the CompuServe 'B' protocol while logged on to CIS, set this option to CIS B.
Be sure, however, that you are not set to CIS B while logged onto other
systems, or strange results may occur.
The ProComm default for Enquiry is OFF.